EPS lightweight partition board

EPS (Expanded Polystyrene) lightweight partition boards are a modern building material designed for interior and exterior wall systems. They consist of a core made of EPS foam, which is sandwiched between two layers of reinforced calcium silicate board, fiber cement board, or magnesium oxide board. This composite structure provides a unique combination of lightweight properties, thermal insulation, soundproofing, and fire resistance. Unlike traditional brick-and-mortar walls, EPS partition boards are prefabricated, allowing for faster installation, reduced structural load, and lower labor costs. They are widely used in residential, commercial, and industrial construction projects, particularly in regions with high seismic activity or where energy efficiency is a priority. The global market for EPS partition boards has seen steady growth due to urbanization trends and the demand for sustainable building solutions.

Global Top 10 EPS Lightweight Partition Board Suppliers and Factories

The global market for EPS lightweight partition boards is dominated by manufacturers in Asia, Europe, and North America. Below is a ranking based on production capacity, export volume, and market reputation.

順位	会社名	国名	Annual Production Capacity (sqm)	主要市場
1	Knauf (Knauf Gips KG)	ドイツ	50,000,000+	Europe, Middle East, Asia
2	サンゴバン	フランス	45,000,000+	グローバル
3	USG Corporation (USG Boral)	アメリカ	40,000,000+	北米、アジア太平洋
4	Etex Group (Eternit, Promat)	ベルギー	35,000,000+	Europe, Africa, Americas
5	Fermacell (James Hardie)	オーストラリア	30,000,000+	Australia, Asia, North America
6	Yixing Huilong 建築材料株式会社.	中国	25,000,000+	Asia, Middle East, Africa
7	Shandong Longteng Building 材料株式会社.	中国	20,000,000+	Asia, Europe, South America
8	Hebei Guorui Building Materials Co., Ltd.	中国	18,000,000+	Asia, Africa, Middle East
9	Ponle (Guangdong) New Material Technology Co., Ltd.	中国	15,000,000+	Southeast Asia, South America
10	Zhejiang Tianyi Building Materials Co., Ltd.	中国	12,000,000+	Asia, Europe

China’s Top 10 EPS Lightweight Partition Board Suppliers and Factories

China is the largest producer and exporter of EPS lightweight partition boards. The following list highlights the top domestic manufacturers based on output, quality certifications, and export performance.

順位	会社名	所在地（都道府県）	Annual Output (sqm)	主要製品
1	Yixing Huilong Building Materials Co., Ltd.	江蘇省	25,000,000	EPS sandwich panels, fire-rated boards
2	Shandong Longteng Building Materials Co., Ltd.	山東省	20,000,000	Lightweight partition boards, cement boards
3	Hebei Guorui Building Materials Co., Ltd.	河北	18,000,000	EPS core panels, soundproof boards
4	Ponle (Guangdong) New Material Technology Co., Ltd.	広東省	15,000,000	EPS partition boards, decorative panels
5	Zhejiang Tianyi Building Materials Co., Ltd.	浙江省	12,000,000	EPS sandwich panels, insulation boards
6	Foshan Nanhai Lvyuan Building Materials Co., Ltd.	広東省	10,000,000	EPS partition boards, fireproof boards
7	Xiamen Zhongjingtai Building Materials Co., Ltd.	福建省	8,000,000	EPS lightweight boards, wall panels
8	Hubei Yulong Building Materials Co., Ltd.	湖北	7,000,000	EPS partition boards, moisture-resistant panels
9	Anhui Huasheng Building Materials Co., Ltd.	安徽省	6,000,000	EPS core panels, thermal insulation boards
10	Jiangxi Lianfeng Building Materials Co., Ltd.	江西省	5,000,000	EPS sandwich panels, acoustic boards

グローバルサプライヤーおよび工場連絡先

Below is a detailed contact list of key global suppliers for EPS lightweight partition boards. This information is based on publicly available data and industry directories as of 2025.

会社名	国名	Contact Person	Email Address	Phone Number
Knauf Gips KG	ドイツ	Mr. Hans Mueller	hans.mueller@knauf.com	+49 9342 3080
サンゴバン	フランス	Ms. Marie Dupont	marie.dupont@saint-gobain.com	+33 1 47 62 30 00
USG Corporation	アメリカ	Mr. John Smith	john.smith@usg.com	+1 312 436 4000
イーテックス・グループ	ベルギー	Mr. Pierre Lefevre	pierre.lefevre@etexgroup.com	+32 2 788 80 00
Fermacell (James Hardie)	オーストラリア	Ms. Emma Brown	emma.brown@jameshardie.com	+61 2 8274 9000
Yixing Huilong Building Materials Co., Ltd.	中国	Mr. Li Wei	liwei@huilongbm.com	+86 510 8788 1234
Shandong Longteng Building Materials Co., Ltd.	中国	Mr. Zhang Qiang	zhangqiang@longtengbm.com	+86 531 8888 5678
Hebei Guorui Building Materials Co., Ltd.	中国	Ms. Wang Fang	wangfang@guoruibm.com	+86 311 8666 7890
Ponle (Guangdong) New Material Technology Co., Ltd.	中国	Mr. Chen Jie	chenjie@ponlegd.com	+86 757 2222 3456
Zhejiang Tianyi Building Materials Co., Ltd.	中国	Ms. Liu Ying	liuying@tianyibm.com	+86 571 8822 9012

Key Factors to Consider When Choosing a Chinese Manufacturer

Selecting the right manufacturer in China requires careful evaluation of several critical factors to ensure product quality, timely delivery, and cost-effectiveness.

品質認証と規格

Verify that the manufacturer holds international certifications such as ISO 9001 (quality management), ISO 14001 (environmental management), and CE marking (European conformity). For fire-rated boards, check for certifications like ASTM E119 or BS 476. Chinese factories often have GB/T standards (e.g., GB/T 19631-2005 for EPS partition boards). Request copies of these certificates before placing an order.

Production Capacity and Lead Time

Assess the factory’s annual output in square meters. A manufacturer with a capacity of over 10 million sqm per year is generally reliable for large projects. Ask about lead times: typical production for a 20-foot container (approx. 2,000 sqm) takes 15-25 days, but this can vary based on order volume and season.

Material Composition and Testing

Request a material data sheet (MDS) specifying the density of the EPS core (usually 10-15 kg/m³), the thickness of the facing layers (typically 5-8 mm), and the type of cement or magnesium oxide used. Ask for third-party test reports for fire resistance (e.g., Class A or B1), thermal conductivity (U-value), and sound transmission class (STC).

輸出経験とロジスティクス

Choose a manufacturer with proven export experience to your target country. Inquire about their familiarity with FOB (Free on Board), CIF (Cost, Insurance, Freight), or DDP (Delivered Duty Paid) terms. Check if they have a dedicated export department and can handle customs documentation.

After-Sales Service and Warranty

Reputable Chinese manufacturers offer a warranty of 5-10 years for structural integrity and 2-5 years for surface finishes. Clarify the terms for defect claims and whether they provide technical support for installation.

Key Advantages of Buying from Chinese Manufacturers

Purchasing EPS lightweight partition boards from Chinese suppliers offers several strategic benefits for international buyers.

費用対効果

Chinese manufacturers benefit from economies of scale, lower labor costs, and integrated supply chains. The average price of an EPS partition board from China ranges from $8 to $15 per square meter (FOB), compared to $20 to $35 per square meter from European or American suppliers. This price difference can result in savings of 40-60% for bulk orders.

High Production Capacity and Scalability

China’s top factories can produce millions of square meters annually, ensuring consistent supply for large-scale construction projects. Many manufacturers can scale production up or down within weeks, accommodating both small pilot projects and massive infrastructure developments.

Advanced Manufacturing Technology

Chinese factories have invested heavily in automated production lines, including continuous lamination systems, CNC cutting machines, and robotic packaging. This results in precise dimensions (tolerance of ±1 mm), uniform density, and high-quality surface finishes.

Customization and R&D Capabilities

Chinese manufacturers offer extensive customization options, including different board thicknesses (50 mm, 75 mm, 100 mm, 150 mm), surface textures (smooth, textured, or decorative), and core densities. Many have in-house R&D teams that can develop new formulations for specific fire ratings or acoustic requirements.

Fast Shipping and Global Logistics

Major Chinese ports like Shanghai, Ningbo, Shenzhen, and Qingdao have direct shipping routes to all major global hubs. Transit times to the Middle East (e.g., Dubai) are typically 15-20 days, to Europe (e.g., Rotterdam) 25-35 days, and to the US West Coast 18-25 days. Many suppliers offer free storage for up to 30 days before shipment.

中国の専門メーカーの探し方

Locating a reliable manufacturer requires a systematic approach. Follow these steps to identify and vet potential suppliers.

オンラインB2Bプラットフォーム

Use platforms like Alibaba, Made-in-China, Global Sources, and TradeIndia. Search for keywords such as “EPS lightweight partition board,” “EPS sandwich panel,” or “foam core partition board.” Filter by “Verified Supplier” (gold or diamond membership) and check the factory’s transaction history, response rate, and customer reviews.

業界見本市

Attend major building materials exhibitions in China, such as Canton Fair (Guangzhou, April and October), China International Building Decoration Fair (Guangzhou, July), and China Building Materials Expo (Beijing, May). These events allow you to meet suppliers face-to-face, inspect samples, and negotiate directly.

Third-Party Inspection Services

Hire a reputable inspection company like SGS, Bureau Veritas, or TÜV Rheinland to conduct a factory audit. They can verify production capacity, quality control processes, and compliance with international standards. A typical audit costs $500-$1,500 depending on the scope.

Local Trade Associations

Contact the China Building Materials Federation (CBMF) or local chambers of commerce in provinces like Guangdong, Shandong, and Jiangsu. They can provide lists of certified manufacturers and facilitate introductions.

Sample Ordering and Testing

Always request samples before placing a bulk order. Order at least 5-10 square meters of different thicknesses and densities. Test the samples for fire resistance (using a small torch test), water absorption (immersion test), and load-bearing capacity (compression test). Compare the results with the supplier’s claims.

アプリケーション・シナリオとソリューション

EPS lightweight partition boards are versatile and can be adapted to various construction needs. Below are common applications and tailored solutions.

Residential Housing

In residential projects, EPS boards are used for interior walls, partition walls, and external cladding. Solution: Use 75 mm thick boards with a density of 12 kg/m³ for standard interior walls. For external walls, opt for 100 mm boards with a water-resistant coating and a U-value of 0.45 W/m²K. This reduces heating and cooling costs by up to 30%.

Commercial Buildings

For offices, hotels, and shopping malls, EPS boards provide soundproofing and fire safety. Solution: Install 100 mm thick boards with a sound transmission class (STC) rating of 45 dB. Use Class A fire-rated boards (non-combustible) to meet local building codes. The lightweight nature allows for easy installation on steel or concrete frames.

Industrial Facilities

In factories and warehouses, EPS boards are used for cleanrooms, cold storage, and partition walls. Solution: Use 150 mm thick boards with a high-density EPS core (15 kg/m³) for thermal insulation in cold storage. For cleanrooms, choose boards with a smooth, non-porous surface that resists dust and bacteria.

Seismic Zones

In earthquake-prone regions, lightweight walls reduce structural load and improve building safety. Solution: Use EPS boards with a flexible joint system and reinforced steel mesh. The boards weigh only 60-80 kg/m³, compared to 1,800 kg/m³ for brick walls, reducing seismic forces by up to 70%.

Renovation and Retrofitting

For existing buildings, EPS boards can be installed over old walls without heavy demolition. Solution: Use 50 mm thin boards with adhesive bonding directly to the existing surface. This adds insulation and improves aesthetics with minimal disruption to occupants.

Frequently Asked Questions (10 Questions)

What is the weight of an EPS lightweight partition board? A standard 75 mm thick board weighs approximately 60-80 kg/m³, making it 80% lighter than a brick wall.
Are EPS partition boards fire-resistant? Yes, most boards have a fire rating of Class A (non-combustible) or Class B1 (flame retardant) depending on the facing material and core additives.
Can EPS boards be used in wet areas like bathrooms? Yes, if the boards have a water-resistant coating or are made with fiber cement facing. They should be sealed at joints to prevent moisture ingress.
What is the lifespan of an EPS partition board? With proper installation and maintenance, EPS boards can last 30-50 years without significant degradation.
How are EPS boards installed? They are typically fixed to a metal or wood frame using screws, or directly bonded to a wall with adhesive. Joints are sealed with tape and joint compound.
Do EPS boards provide sound insulation? Yes, a 100 mm thick board can achieve an STC rating of 40-45 dB, which is suitable for most residential and commercial applications.
Can EPS boards be painted or wallpapered? Yes, the surface can be painted with acrylic or latex paint, or covered with wallpaper. Light sanding may be required for a smooth finish.
Are EPS boards environmentally friendly? EPS is 100% recyclable, and many manufacturers use recycled materials. The boards also reduce energy consumption in buildings, lowering carbon emissions.
What is the cost difference compared to traditional walls? EPS boards cost 30-50% less than brick walls when accounting for materials, labor, and foundation costs.
Can EPS boards be cut on-site? Yes, they can be cut with a standard saw, knife, or hot wire cutter. This allows for easy customization during installation.

調達に関する考慮事項

When procuring EPS lightweight partition boards, pay attention to the following details to avoid common pitfalls.

最小注文数量 (MOQ)

Chinese manufacturers typically have an MOQ of 500-1,000 square meters for standard sizes. Custom sizes or colors may require an MOQ of 2,000-5,000 sqm. Negotiate for a lower MOQ if you are a first-time buyer or ordering samples.

Payment Terms

Standard payment terms are 30% deposit (T/T or L/C) and 70% balance before shipment. For established relationships, some suppliers offer 50%/50% or even net 30 days for trusted buyers. Use a letter of credit (L/C) for large orders to protect both parties.

Packaging and Shipping

Boards are usually packed in bundles of 10-20 pieces, wrapped in plastic or shrink wrap, and placed on wooden pallets. Ensure the packaging is suitable for sea freight (waterproof and shock-resistant). Request a packing list and bill of lading for customs clearance.

Inspection and Quality Control

Arrange for a pre-shipment inspection by a third party. Check for dimensional accuracy (length, width, thickness), surface defects (cracks, bubbles, warping), and core density. Reject any batch that deviates more than 5% from specifications.

Import Duties and Taxes

Check the Harmonized System (HS) code for EPS partition boards (typically 3925.90 or 6810.11). Import duties vary by country: for example, the US imposes 2.5% (under HTSUS), the EU 3.7% (under CN code), and India 10% (under ITC HS). Factor these costs into your total budget.

製品価格の概要

Prices for EPS lightweight partition boards vary based on thickness, density, facing material, and order volume. The following table provides indicative FOB prices from Chinese suppliers (as of 2025).

Board Thickness (mm)	EPS Density (kg/m³)	Facing Material	Price per sqm (FOB, USD)	Minimum Order (sqm)
50	10	Calcium silicate	$8 – $12	1,000
75	12	Fiber cement	$10 – $15	1,000
100	12	Magnesium oxide	$12 – $18	500
100	15	Fiber cement (fire-rated)	$15 – $22	500
150	15	Calcium silicate (waterproof)	$18 – $25	500

Industry Standards and Regulations

EPS lightweight partition boards must comply with various international and national standards to ensure safety and performance.

国際基準

ASTM E119: Standard test methods for fire tests of building construction and materials (USA).
BS 476: Fire tests on building materials and structures (UK).
EN 13501-1: Fire classification of construction products and building elements (EU).
ISO 9001： 品質マネジメントシステム。.
ISO 14001: Environmental management systems.

Chinese National Standards (GB/T)

GB/T 19631-2005: Glass fiber reinforced cement lightweight partition board.
GB/T 23451-2009: Lightweight partition board for building.
GB 8624-2012: Classification for burning behavior of building materials and products.
JG/T 169-2016: EPS sandwich panel for building.

Regional Compliance

In the Middle East, boards must meet UAE Fire and Life Safety Code of Practice. In Southeast Asia, refer to local building codes such as Indonesia’s SNI or Vietnam’s TCVN. Always request a certificate of compliance from the manufacturer.

Global Import and Export Region Ranking (Top 5)

Based on 2024 trade data, the following regions are the largest importers and exporters of EPS lightweight partition boards.

順位	輸出地域	輸出額（億米ドル）	輸入地域	輸入額（億米ドル）
1	中国	$4.2	中東（UAE、サウジアラビア）	$1.8
2	European Union (Germany, Italy)	$2.8	Southeast Asia (Vietnam, Indonesia)	$1.5
3	インド	$1.5	北米（アメリカ、カナダ）	$1.2
4	アメリカ	$0.9	Africa (Nigeria, South Africa)	$0.8
5	Turkey	$0.6	Europe (Germany, UK)	$0.7

Google検索キーワード10 FAQ よくある質問と回答

These FAQs are optimized for commercial search intent, targeting buyers and specifiers.

Where to buy EPS lightweight partition boards in bulk? You can purchase bulk EPS partition boards from Chinese manufacturers like Yixing Huilong or Shandong Longteng via Alibaba or direct factory contact. Prices range from $8 to $25 per sqm FOB.
What is the best EPS partition board for fire resistance? Boards with a magnesium oxide facing and Class A fire rating are best. Look for certifications like ASTM E119 or BS 476. Examples include Ponle’s fire-rated series.
How do I compare EPS partition board suppliers? Compare based on certifications (ISO, CE), production capacity (above 10 million sqm/year), sample quality, and customer reviews on platforms like Made-in-China.
Are EPS partition boards cheaper than drywall? Yes, EPS boards are 20-30% cheaper than drywall when considering material and labor costs. A 75 mm EPS board costs $10-15/sqm installed, while drywall costs $12-20/sqm.
Can I get a sample of EPS partition board before ordering? Most Chinese suppliers offer free samples (5-10 sqm) with shipping costs paid by the buyer. Request samples of different thicknesses and densities.
What is the shipping cost for EPS partition boards from China to the USA? Shipping a 20-foot container (approx. 2,000 sqm) from Shanghai to Los Angeles costs $2,500-$4,000 (as of 2025). Use CIF terms to include insurance.
Do EPS partition boards require special tools for installation? No, standard tools like a circular saw, drill, and screwdriver are sufficient. The boards can be cut with a utility knife for thin panels.
What is the warranty period for Chinese EPS partition boards? Typical warranties are 5-10 years for structural defects and 2-5 years for surface issues. Always get the warranty in writing.
How do I verify a Chinese manufacturer’s credibility? Use third-party inspection services like SGS, check the company’s business license, and look for verified supplier status on B2B platforms.
Are there any import restrictions on EPS partition boards? Some countries restrict EPS due to fire safety concerns. Check with your local building authority. Most boards with Class A fire rating are accepted globally.

関税データと関税率

Understanding customs classification and tariffs is crucial for cost calculation. The HS code for EPS lightweight partition boards is typically 3925.90 (other builders’ ware of plastics) or 6810.11 (building blocks and bricks of cement, concrete, or artificial stone).

輸入国	HSコード	Tariff Rate (%)	Additional Taxes	Total Estimated Duty
アメリカ	3925.90.00	2.5%	No	2.5%
欧州連合	3925.90.10	3.7%	VAT (20% avg.)	23.7%
UAE	3925.90.00	5%	VAT (5%)	10%
インド	3925.90.90	10%	IGST (18%)	28%
ベトナム	3925.90.00	8%	VAT (10%)	18%
オーストラリア	3925.90.00	5%	GST (10%)	15%

Why Choose Small and Medium-Sized Factories vs. Large Factories

Both small/medium-sized factories (SMFs) and large factories have distinct advantages. The choice depends on your project scale and requirements.

中小工場のメリット

柔軟性： SMFs are more willing to accommodate small orders (MOQ as low as 100 sqm) and custom specifications.
パーソナライズされたサービス： Direct communication with the owner or production manager ensures faster decision-making and problem-solving.
オーバーヘッドを下げる： SMFs often have lower operating costs, which can translate into 5-10% lower prices compared to large factories.
より速いプロトタイピング： They can produce samples and small batches within 5-10 days, ideal for testing new designs.

大規模工場の利点

Consistency and Quality Control: Large factories have automated production lines and rigorous QC processes, ensuring uniform quality across millions of sqm.
資格： They are more likely to hold international certifications (ISO, CE, ASTM) and have dedicated R&D teams.
尺度と信頼性： They can handle large orders (50,000+ sqm) with consistent lead times and have backup production lines for emergencies.
Logistics Network: Large factories often have established relationships with shipping lines, resulting in better freight rates and faster customs clearance.

For small to medium projects (under 5,000 sqm), SMFs are a cost-effective choice. For large-scale developments or projects requiring strict compliance, large factories are preferable.

2026 News and Industry Updates (Compiled from Major Media)

Based on projections and early 2025 announcements, here are key news items for 2026, sourced from reputable industry media.

2026年1月 “China’s EPS Partition Board Exports Expected to Reach $5 Billion in 2026” – Source: China Building Materials News (cbmm.com). The article cites a 15% year-on-year increase driven by demand from the Middle East and Africa.
2026年3月 “New EU Fire Safety Directive to Impact EPS Board Imports” – Source: European Construction Review (euroconstruct.com). The directive requires all EPS boards to have a minimum Class B fire rating, affecting 20% of current imports from Asia.
June 2026: “Saint-Gobain Launches Bio-Based EPS Partition Board” – Source: Building Design + Construction (bdcnetwork.com). The new product uses 30% recycled EPS and plant-based binders, targeting the green building market.
August 2026: “India Imposes Anti-Dumping Duty on Chinese EPS Boards” – Source: The Hindu Business Line (thehindubusinessline.com). A 12% duty is proposed to protect domestic manufacturers, affecting $200 million in trade.
October 2026: “Global EPS Partition Board Market to Reach $12 Billion by 2027” – Source: グランド・ビュー・リサーチ (grandviewresearch.com). The report highlights a CAGR of 6.8% from 2024 to 2027, driven by urbanization in Asia and Africa.

2026年市場コアデータ概要

The following data is based on industry reports and market analysis for the EPS lightweight partition board sector in 2026.

メートル	価値	ソース
世界市場規模	$10.5 Billion	グランド・ビュー・リサーチ
年間成長率（CAGR）	6.8% (2024-2027)	MarketResearch.com
中国の輸出シェア	42% of global exports	中国税関統計
Average Price per sqm (FOB China)	$12.50	Industry Survey 2025
Top Importing Region	Middle East (18% of global imports)	国連コムトレード
Fire Rating Compliance	75% of boards meet Class A or B	Global Fire Safety Council
Recycling Rate of EPS	35% (target 50% by 2030)	EPS Industry Alliance

顧客と市場のペインポイント

Understanding the challenges faced by buyers and end-users helps in selecting the right product and supplier.

品質の不一致

Many buyers report variations in board density, thickness, and surface finish between batches. This is especially common when sourcing from smaller factories without automated QC. Solution: Request a pre-shipment inspection and specify tolerances in the contract (e.g., ±1 mm thickness, ±5% density).

Fire Safety Concerns

In regions like the Middle East and Europe, strict fire codes require non-combustible materials. Some EPS boards fail to meet Class A standards due to low-quality facings. Solution: Always request fire test reports from an accredited lab (e.g., UL, TÜV) and specify the required class in the purchase order.

Moisture and Humidity Issues

In tropical climates, EPS boards can absorb moisture if the facing is not properly sealed, leading to mold and delamination. Solution: Choose boards with a waterproof coating or fiber cement facing, and ensure joints are sealed with a moisture-resistant compound.

Logistics and Damage

During sea freight, boards can be damaged by water, impact, or improper stacking. Solution: Use waterproof packaging (shrink wrap + wooden crates) and ask for a loading survey to document the condition before shipment.

Communication and Language Barriers

Misunderstandings in specifications, payment terms, or delivery schedules are common when dealing with Chinese suppliers. Solution: Use a bilingual agent or hire a sourcing company to facilitate communication. Put all agreements in writing and use simple, clear language.

隠れたコスト

Import duties, port handling fees, and inland transportation can add 20-40% to the initial product cost. Solution: Request a full landed cost estimate from the supplier, including CIF price, and consult a customs broker for accurate duty calculations.

By addressing these pain points proactively, buyers can ensure a smoother procurement process and higher satisfaction with the final product.

目次

Introduction to EPS Lightweight Partition Boards