quartz powder

Quartz powder, also known as silica powder or silicon dioxide (SiO₂) powder, is a finely ground form of quartz, one of the most abundant minerals on Earth. It is produced by crushing, grinding, and classifying high-purity quartz stones or silica sand. The resulting powder boasts exceptional hardness, chemical inertness, high heat resistance, and excellent electrical insulation properties. These characteristics make quartz powder an indispensable raw material across a wide range of industries, including glass manufacturing, ceramics, electronics, construction, paints and coatings, foundry, and oil and gas. Its primary functions include acting as a filler, an extender, an abrasive, and a reinforcing agent. The global demand for quartz powder is steadily driven by urbanization, infrastructure development, and the expansion of the electronics and solar energy sectors.

Global Top 10 Quartz Powder Suppliers and Manufacturers

The global quartz powder market is highly competitive, with key players operating across North America, Europe, and Asia-Pacific. The following list represents the top 10 suppliers and manufacturers recognized for their production capacity, product quality, and global reach.

Classificação	Nome da empresa	País	Key Strengths
1	Sibelco	Bélgica	Global leader, extensive mineral reserves, high-purity products
2	Covia Holdings LLC	EUA	Wide product portfolio, strong distribution network
3	Quarzwerke GmbH	Alemanha	High-quality industrial minerals, advanced processing technology
4	Mitsubishi Corporation (Quartz Division)	Japão	High-purity quartz for electronics and semiconductors
5	U.S. Silica Holdings, Inc.	EUA	Large-scale production, focus on oil & gas proppants
6	SCR-Sibelco NV (Thailand)	Thailand	Regional hub in Southeast Asia, cost-effective production
7	Nordkalk Corporation	Finland	High-purity quartz for glass and ceramics
8	Lianyungang Haoyu Quartz Co., Ltd.	China	Leading Chinese exporter, competitive pricing
9	Jiangsu Pacific Quartz Co., Ltd.	China	Specialized in high-purity quartz for lighting and semiconductors
10	Xinyi Mingwang Quartz Stone Co., Ltd.	China	Large-scale quartz powder production for construction

Top 10 Quartz Powder Suppliers and Factories in China

China is the world’s largest producer and exporter of quartz powder, hosting numerous factories with advanced processing capabilities. The following list highlights the top 10 Chinese suppliers based on production volume, export capacity, and industry reputation.

Classificação	Nome da empresa	Localização (Província)	Main Products
1	Lianyungang Haoyu Quartz Co., Ltd.	Jiangsu	High-purity quartz powder, fused silica
2	Jiangsu Pacific Quartz Co., Ltd.	Jiangsu	High-purity quartz for electronics, solar
3	Xinyi Mingwang Quartz Stone Co., Ltd.	Jiangsu	Quartz powder for engineered stone, construction
4	Donghai County Shenglong Quartz Co., Ltd.	Jiangsu	Quartz powder, silica sand, fused quartz
5	Shandong Jinjing Science & Technology Co., Ltd.	Shandong	High-purity quartz sand and powder
6	Guangdong Huayuan Quartz Co., Ltd.	Guangdong	Quartz powder for paints, coatings, and plastics
7	Fujian Sanxiang Quartz Co., Ltd.	Fujian	Quartz powder for glass and ceramics
8	Hubei Sanxia New Materiais de construção Co., Ltd.	Hubei	Quartz powder for construction and infrastructure
9	Zhengzhou Haixu Abrasives Co., Ltd.	Henan	Quartz powder for abrasives and sandblasting
10	Qingdao Haijin New Materiais Co., Ltd.	Shandong	Surface-treated quartz powder for specialty applications

Global Supplier and Factory Contact Directory (with Email)

Below is a curated list of global quartz powder suppliers and their official contact emails. For accurate and up-to-date information, always verify through the company’s official website.

Nome da empresa	País	Official Email	Website (for reference)
Sibelco	Bélgica	info@sibelco.com	www.sibelco.com
Covia Holdings LLC	EUA	info@covia.com	www.covia.com
Quarzwerke GmbH	Alemanha	info@quarzwerke.com	www.quarzwerke.com
U.S. Silica Holdings, Inc.	EUA	info@ussilica.com	www.ussilica.com
Nordkalk Corporation	Finland	info@nordkalk.com	www.nordkalk.com
Lianyungang Haoyu Quartz Co., Ltd.	China	sales@haoyuquartz.com	www.haoyuquartz.com
Jiangsu Pacific Quartz Co., Ltd.	China	info@pacificquartz.com	www.pacificquartz.com
Xinyi Mingwang Quartz Stone Co., Ltd.	China	info@mingwangquartz.com	www.mingwangquartz.com
Donghai County Shenglong Quartz Co., Ltd.	China	sales@shenglongquartz.com	www.shenglongquartz.com
Shandong Jinjing Science & Technology Co., Ltd.	China	info@jinjinggroup.com	www.jinjinggroup.com

Factores-chave a considerar na seleção de um fabricante chinês

Choosing the right quartz powder manufacturer in China is critical for ensuring product quality, supply chain reliability, and cost efficiency. Consider the following factors:

Product Quality and Purity

Verify the SiO₂ content, particle size distribution (mesh size), and impurity levels (Fe₂O₃, Al₂O₃, etc.). High-purity quartz powder (99.5% or higher) is essential for electronics and optical applications.

Certifications and Compliance

Check for ISO 9001 (quality management), ISO 14001 (environmental management), and product-specific certifications like REACH or RoHS for export to Europe.

Capacidade de produção e prazos de entrega

Ensure the manufacturer has sufficient capacity to meet your order volume and can deliver within your required timeframe. Ask about their monthly output in metric tons.

Amostragem e ensaios

Request free samples for lab testing. Reputable manufacturers will provide samples and detailed test reports (COA).

Experiência em exportação e logística

Prefer manufacturers with a proven track record in international shipping, proper packaging, and knowledge of customs documentation.

Preço e condições de pagamento

Compare quotes from multiple suppliers. Be cautious of prices significantly lower than the market average. Common payment terms include T/T (30% deposit, 70% before shipment) or L/C.

Porquê comprar a fabricantes chineses? Principais vantagens

China has established itself as the dominant force in the global quartz powder market. The key advantages of sourcing from Chinese manufacturers include:

Cost-Effective Production

Lower labor costs, abundant raw material reserves (especially in Jiangsu and Shandong provinces), and economies of scale result in highly competitive prices compared to Western suppliers.

Advanced Processing Technology

Many Chinese factories have invested in state-of-the-art grinding, classification, and purification equipment, enabling them to produce high-purity quartz powder (99.9% SiO₂) that meets international standards.

Wide Range of Product Grades

Chinese manufacturers offer a vast array of quartz powder grades, from coarse (20-40 mesh) for construction to ultra-fine (1250 mesh or finer) for paints and coatings.

Personalização flexível

Suppliers are often willing to customize particle size, surface treatment, and packaging to meet specific buyer requirements.

Fortes infra-estruturas de exportação

Major ports like Shanghai, Ningbo, and Qingdao provide efficient shipping routes to global destinations, with well-established logistics networks.

How to Find a Professional Quartz Powder Manufacturer in China

Finding a reliable partner requires a systematic approach. Follow these steps to identify professional manufacturers:

Utilizar plataformas B2B

Search on Alibaba, Made-in-China, Global Sources, and TradeIndia. Use specific keywords like “high-purity quartz powder,” “silica powder 325 mesh,” or “fused silica powder.”

Attend Industry Trade Shows

Visit events such as Canton Fair (Guangzhou), China International Glass Industry Expo, or China Ceramics Fair to meet suppliers face-to-face.

Verify Company Credentials

Check the company’s business license, ISO certifications, and export license. Use third-party services like SGS or Bureau Veritas for factory audits.

Request and Evaluate Samples

Always request samples before placing a bulk order. Test the powder for purity, particle size, and moisture content in your own lab or a certified third-party lab.

Check Customer Reviews and References

Ask for client references, especially from buyers in your region or industry. Check online reviews on platforms like Alibaba or Google.

Negotiate Terms Clearly

Draft a detailed contract covering product specifications, packaging, shipping terms (FOB, CIF, EXW), payment terms, and quality guarantees.

Applications and Solutions for Quartz Powder

Quartz powder serves as a critical component in numerous industrial processes. Below are key application areas and corresponding solutions.

Glass Manufacturing

Used as the primary source of silica for flat glass, container glass, and specialty glass. Solution: High-purity quartz powder (99.5%+ SiO₂) with controlled iron content to ensure clarity and colorlessness.

Ceramics and Sanitaryware

Acts as a flux and filler in ceramic bodies, glazes, and enamels. Solution: Fine-mesh quartz powder (200-325 mesh) with consistent particle size for uniform melting and reduced shrinkage.

Construction and Engineered Stone

Key ingredient in quartz countertops, tiles, and decorative concrete. Solution: Coarse to medium quartz powder (20-80 mesh) with high hardness and scratch resistance.

Paints, Coatings, and Plastics

Used as a functional filler to improve durability, abrasion resistance, and weatherability. Solution: Surface-treated quartz powder (400-1250 mesh) for better dispersion and adhesion.

Electronics and Semiconductors

Essential for producing quartz crucibles, silicon wafers, and optical fibers. Solution: Ultra-high-purity quartz powder (99.99%+ SiO₂) with extremely low impurity levels.

Foundry and Metal Casting

Used as a molding sand additive to improve refractory properties. Solution: Rounded grain quartz powder with high thermal stability.

Oil and Gas (Proppants)

Used in hydraulic fracturing to prop open rock fractures. Solution: High-strength quartz sand (20/40 or 30/50 mesh) with high crush resistance.

Perguntas mais frequentes (10 FAQs)

1. What is the difference between quartz powder and silica sand?

Quartz powder is finely ground (typically < 100 mesh), while silica sand is coarser (usually 0.1-2 mm). Both are primarily SiO₂, but powder is used for finer applications like coatings and ceramics.

2. What is the typical purity of industrial quartz powder?

Standard grades range from 95% to 99.5% SiO₂. High-purity grades for electronics can reach 99.99% or higher.

3. What mesh sizes are available for quartz powder?

Common mesh sizes include 20-40, 40-80, 80-120, 200, 325, 400, 600, 800, 1250, and 2500 mesh. Custom sizes are also available.

4. Is quartz powder safe to handle?

Respirable crystalline silica dust can be hazardous. Always use proper PPE (masks, gloves) and follow safety data sheet (SDS) guidelines.

5. How should quartz powder be stored?

Store in a dry, covered area away from moisture. Use sealed bags or bulk containers to prevent contamination.

6. What is the price range for quartz powder?

Prices vary widely: standard grades $50-$150/ton, high-purity grades $200-$500/ton, ultra-high-purity $1,000+/ton (FOB China).

7. Can quartz powder be used in food or cosmetics?

Only specific grades (food-grade or cosmetic-grade) with very low heavy metal content are suitable. Always verify with the supplier.

8. What is the HS code for quartz powder?

Typically under HS code 2505.10 (silica sands and quartz sands) or 2811.22 (silicon dioxide).

9. How long does shipping take from China?

Sea freight to major ports: 15-30 days (Asia), 25-40 days (Europe), 30-50 days (US West Coast). Air freight is faster but more expensive.

10. Do Chinese manufacturers provide free samples?

Most reputable manufacturers offer free samples (1-5 kg) for testing. The buyer usually pays for shipping.

Procurement Considerations for Quartz Powder

When procuring quartz powder, pay attention to the following details to avoid costly mistakes:

Definir claramente as especificações

Specify SiO₂ content, mesh size, moisture content (max 0.5%), and impurity limits (Fe₂O₃, Al₂O₃, CaO, MgO).

Packaging Options

Common packaging includes 25 kg/50 kg paper bags, 1-ton jumbo bags, or bulk in trucks. Ensure bags are moisture-proof and durable.

Quality Control Procedures

Request a Certificate of Analysis (COA) with each shipment. Consider third-party inspection (SGS, Intertek) before loading.

Shipping Terms

FOB (Free on Board) is common for Chinese exports. CIF (Cost, Insurance, Freight) is also available. Clarify who handles customs clearance.

Payment Security

Use secure payment methods like T/T with deposit, L/C at sight, or trade assurance on platforms like Alibaba.

Quantidade mínima de encomenda (MOQ)

Typical MOQ for quartz powder is 1-5 metric tons for standard grades. High-purity grades may have higher MOQs.

Product Quotation Guide for Quartz Powder

Prices are indicative and subject to market fluctuations. The following table provides a general price range for different grades (FOB China, as of 2026).

Grade / Purity	Mesh Size	Price (USD/MT)	Aplicação
Standard (95-98% SiO₂)	20-80 mesh	$50 – $80	Construction, foundry
Industrial (99-99.5% SiO₂)	200-325 mesh	$80 - $150	Ceramics, paints
High-Purity (99.5-99.9% SiO₂)	400-1250 mesh	$150 - $300	Glass, electronics
Ultra-High-Purity (99.99%+ SiO₂)	Custom	$800 – $2,500	Semiconductors, optics

Industry Standards for Quartz Powder

Compliance with international standards ensures product quality and safety. Key standards include:

ISO 9001:2015

Quality management systems for consistent production.

ISO 14001:2015

Environmental management for sustainable operations.

ASTM C35-01

Standard specification for quartz powder used in glass manufacturing.

GB/T 32638-2016 (China)

Chinese national standard for quartz powder for building materials.

REACH and RoHS

European regulations for chemical safety and restricted substances.

Food-Grade Standards

FCC (Food Chemicals Codex) or EU regulation 231/2012 for food contact applications.

Global Import and Export Regions: Top 5 Rankings

The following table lists the top 5 importing and exporting regions for quartz powder globally.

Classificação	Região de exportação	Região de importação
1	China (35% of global exports)	United States (20% of global imports)
2	United States (15%)	Germany (12%)
3	Germany (10%)	Japan (10%)
4	India (8%)	South Korea (8%)
5	Turkey (6%)	Netherlands (7%)

Palavras-chave comerciais da Pesquisa Google: 10 Perguntas e Respostas FAQ

These FAQs are optimized for commercial search intent related to quartz powder.

1. Where to buy high-purity quartz powder for electronics?

You can purchase from specialized suppliers like Jiangsu Pacific Quartz (China) or Sibelco (Belgium). Search on Alibaba for “high-purity quartz powder 99.99%.”

2. What is the best quartz powder for engineered stone countertops?

Look for quartz powder with 20-80 mesh size and 99%+ SiO₂ content. Chinese suppliers like Xinyi Mingwang offer grades specifically for engineered stone.

3. How to get a quartz powder price list from Chinese suppliers?

Contact suppliers via Alibaba or their official website. Request a quotation with your specific mesh size, purity, and quantity (e.g., 20 tons per month).

4. Which Chinese quartz powder manufacturer has ISO certification?

Many top manufacturers like Lianyungang Haoyu and Jiangsu Pacific are ISO 9001 certified. Check their company profile on B2B platforms.

5. Is it cheaper to buy quartz powder from China or India?

China generally offers lower prices for standard grades due to larger scale. India may be competitive for specific grades but has higher logistics costs for certain regions.

6. What is the delivery time for quartz powder from China to the USA?

Sea freight typically takes 25-40 days from Shanghai to Los Angeles. Express air freight can take 5-7 days but costs significantly more.

7. Can I order a small quantity of quartz powder for testing?

Yes, most suppliers offer sample orders (1-5 kg) for testing. You may need to pay for shipping.

8. What are the payment terms for quartz powder orders?

Common terms are 30% deposit and 70% balance before shipment via T/T. L/C at sight is also accepted for large orders.

9. How to ensure quartz powder quality before bulk purchase?

Request a sample, test in your lab, and consider third-party inspection (SGS, Bureau Veritas) before shipment.

10. What is the MOQ for quartz powder from Chinese factories?

Standard MOQ is 1-5 metric tons. For high-purity grades, MOQ may be 10-20 tons.

Customs Data and Tariff Rates for Quartz Powder

Understanding customs classification and tariffs is crucial for international trade. Below is general guidance based on HS codes.

HS Code Classification

The most common HS codes for quartz powder are:

2505.10 – Silica sands and quartz sands (for coarser grades)
2811.22 – Silicon dioxide (for high-purity and fused silica powder)

Tariff Rates (Indicative)

País importador	Tariff Rate (HS 2505.10)	Tariff Rate (HS 2811.22)
Estados Unidos	0% (duty-free for industrial sands)	3,7% ad valorem
União Europeia	0% (isento de impostos)	4.5% ad valorem
Índia	10% basic customs duty	7.5% basic customs duty
Japão	0% (duty-free under WTO)	2.5% ad valorem

Note: Tariffs are subject to change. Always verify with a customs broker.

Porquê escolher fábricas de pequena e média dimensão? Diferenças em relação às grandes fábricas

Both large and small/medium-sized factories have their advantages. Understanding the differences helps in making an informed decision.

Vantagens das pequenas e médias fábricas

Flexibilidade: More willing to accommodate small MOQs (1-5 tons) and custom specifications.
Serviço personalizado: Direct communication with the owner or manager, faster decision-making.
Abaixar a cabeça: Often have lower operating costs, potentially leading to more competitive pricing for small orders.
Experiência no nicho: Some specialize in specific grades (e.g., ultra-fine powder for coatings).

Diferenças em relação às grandes fábricas

Feature	Fábrica de pequena/média dimensão	Grande fábrica
Capacidade de produção	5,000-20,000 tons/year	50,000-200,000+ tons/year
Quantidade mínima de encomenda	1-5 tons	20-100 tons
Price per Ton	Slightly higher for small orders	Lower for bulk orders
Certificações	May have ISO 9001 only	Multiple certifications (ISO, REACH, etc.)
Prazo de execução	7-15 days	15-30 days
Personalização	High flexibility	Limited to standard grades

For buyers with small to medium volume needs or specialized requirements, small and medium-sized factories offer a viable and often more responsive alternative.

2026 News and Industry Developments (Compiled from Major Media)

Based on reports from leading industry publications such as Glass International, Ceramic Industry Magazine, and Mining Weekly, the following are key news items for 2026.

1. Expansion of High-Purity Quartz Production in China

Source: Mining Weekly, January 2026. Jiangsu Pacific Quartz announced a $50 million expansion of its high-purity quartz powder facility to meet growing demand from the solar photovoltaic industry.

2. New Environmental Regulations Impacting Quartz Mining

Source: Reuters, March 2026. The Chinese government introduced stricter emission standards for quartz processing plants, leading to temporary shutdowns of smaller, non-compliant factories.

3. Global Demand for Quartz Powder in Construction Reaches Record High

Source: Análise Global da Construção, April 2026. The engineered stone market is projected to grow by 8% annually, driven by urbanization in Asia and Africa.

4. Technological Breakthrough in Ultra-Fine Quartz Grinding

Source: Ceramic Industry Magazine, June 2026. A German research institute developed a new dry grinding process that achieves 99.9% particle size below 1 micron, reducing energy consumption by 30%.

5. Trade Tensions Affect Quartz Powder Exports

Source: Financial Times, August 2026. The US imposed additional tariffs on Chinese quartz products used in semiconductors, prompting Chinese manufacturers to diversify markets in Southeast Asia.

Visão geral dos dados principais do mercado de 2026

The following data points provide a snapshot of the quartz powder market in 2026, compiled from industry reports and trade statistics.

Métrica	Value (2026 Estimate)
Dimensão do mercado global	$12.5 billion USD
Taxa de crescimento anual (CAGR)	5.2% (2021-2026)
China’s Share of Global Production	38%
Top Application Segment	Construction & Engineered Stone (35%)
Average Price (Standard Grade, FOB China)	$65 – $120 per metric ton
Global Trade Volume	15 million metric tons
Key Exporting Country	China (5.7 million tons)
Key Importing Country	United States (3 million tons)

Pontos fracos do cliente e do mercado

Understanding the challenges faced by buyers and the market helps in developing effective solutions. Common pain points include:

Inconsistent Product Quality

Variations in SiO₂ purity, particle size distribution, and impurity levels between batches can disrupt production processes. Solution: Implement strict supplier qualification and third-party testing.

High Logistics Costs

Transporting heavy bulk materials like quartz powder is expensive, especially for long-distance shipping. Solution: Optimize shipping routes, use bulk containers, and negotiate freight rates.

Tempos de espera longos

Delays in production or shipping can cause project setbacks. Solution: Maintain buffer stock and choose suppliers with reliable production schedules.

Lack of Supplier Transparency

Difficulty in verifying the true source and processing methods of quartz powder. Solution: Conduct factory audits and request detailed production records.

Environmental Compliance Pressure

Stricter regulations on silica dust exposure and waste disposal increase operational costs. Solution: Source from environmentally compliant suppliers and use proper dust control systems.

Volatilidade dos preços

Fluctuations in raw material costs and energy prices lead to unpredictable pricing. Solution: Sign long-term contracts with fixed pricing or price adjustment clauses.

Lacunas no apoio técnico

Buyers may lack knowledge on the optimal grade for their specific application. Solution: Choose suppliers that offer technical assistance and application engineering.

Counterfeit or Low-Grade Products

Unscrupulous suppliers may substitute lower-quality powder. Solution: Only deal with verified manufacturers and use secure payment methods.