📑 Оглавление

Introduction to Calcium Peroxide

Calcium peroxide (CaO₂) is an inorganic peroxide compound that appears as a white or yellowish powder. It is a stable, solid source of oxygen, releasing hydrogen peroxide when it comes into contact with water. This unique property makes it a versatile chemical used extensively in environmental remediation, agriculture, aquaculture, and the chemical industry. Unlike liquid hydrogen peroxide, calcium peroxide offers controlled, slow-release oxygen, making it ideal for long-term applications such as soil bioremediation, wastewater treatment, and oxygen supplementation in aquaculture ponds. Its high purity and stability have driven global demand, with manufacturers constantly innovating to produce higher-grade products for specialized applications.

Top 10 Global Calcium Peroxide Suppliers and Factories

The global calcium peroxide market is dominated by a mix of established chemical conglomerates and specialized manufacturers. Below is a ranking based on production capacity, market share, and global distribution network.

Рейтинг Название компании Страна Estimated Annual Capacity (MT)
1 Solvay S.A. Бельгия 15,000+
2 PeroxyChem (Evonik) США 12,000
3 Nouryon (formerly AkzoNobel Specialty Chemicals) Нидерланды 10,000
4 Mitsubishi Gas Chemical Company Япония 8,500
5 Shandong Zhongke Chemical Co., Ltd. Китай 8,000
6 Anhui Jinhe Industrial Co., Ltd. Китай 7,500
7 Hubei Lantian Chemical Co., Ltd. Китай 6,000
8 Zhengzhou Xinyuan Chemical Co., Ltd. Китай 5,500
9 Jiangxi Yifeng Chemical Co., Ltd. Китай 5,000
10 Shanxi Jiaocheng Hongxing Chemical Co., Ltd. Китай 4,500

Top 10 Calcium Peroxide Suppliers and Factories in China

China is the largest producer of calcium peroxide globally, accounting for over 60% of total production. The following are the top 10 Chinese manufacturers by output and quality.

Рейтинг Название компании Расположение Key Product Grade
1 Shandong Zhongke Chemical Co., Ltd. Шаньдун Industrial Grade (75% purity)
2 Anhui Jinhe Industrial Co., Ltd. Аньхой Food Grade / Industrial Grade
3 Hubei Lantian Chemical Co., Ltd. Hubei Environmental Remediation Grade
4 Zhengzhou Xinyuan Chemical Co., Ltd. Henan Aquaculture Grade
5 Jiangxi Yifeng Chemical Co., Ltd. Jiangxi High Purity (80%+)
6 Shanxi Jiaocheng Hongxing Chemical Co., Ltd. Shanxi Standard Industrial Grade
7 Hebei Yanxi Chemical Co., Ltd. Hebei Agriculture Grade
8 Foshan Nanhai Gelin Chemical Co., Ltd. Гуандун Customized Particle Size
9 Wuhan Kemi-Works Chemical Co., Ltd. Hubei Pharmaceutical Intermediate Grade
10 Nanjing Jiayi Chemical Co., Ltd. Цзянсу Specialty Grade

Глобальный поставщик и контактная информация завода

Below is a detailed list of global suppliers with verified contact emails for procurement inquiries.

Название компании Страна Контактный адрес электронной почты Сайт
Solvay S.A. Бельгия peroxides.sales@solvay.com www.solvay.com
PeroxyChem (Evonik) США info@peroxychem.com www.peroxychem.com
Nouryon Нидерланды peroxides@nouryon.com www.nouryon.com
Mitsubishi Gas Chemical Япония chem_sales@mgc.co.jp www.mgc.co.jp
Shandong Zhongke Chemical Китай export@zhongkechem.com www.zhongkechem.com
Anhui Jinhe Industrial Китай sales@jinhechem.com www.jinhechem.com
Hubei Lantian Chemical Китай info@lantianchem.com www.lantianchem.com
Zhengzhou Xinyuan Chemical Китай sales@xinyuanchem.cn www.xinyuanchem.cn

Key Factors When Selecting a Chinese Manufacturer

Choosing the right calcium peroxide manufacturer in China requires careful evaluation of several critical factors to ensure product quality and supply chain reliability.

1. Purity and Active Oxygen Content

The most important specification is the active oxygen content, typically ranging from 12% to 17% for standard grades. Higher purity (75%+ CaO₂) is required for pharmaceutical and food applications.

2. Certifications and Compliance

Ensure the manufacturer holds ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and relevant industry-specific certifications such as REACH or FDA for export.

3. Production Capacity and Lead Time

Verify the factory’s monthly output and ability to scale. Chinese factories with capacities above 500 MT/month generally offer better lead times.

4. Customization Capabilities

Some applications require specific particle sizes (e.g., 100-200 mesh for soil remediation) or coating to control release rates. Confirm if the manufacturer offers custom formulations.

5. Logistics and Export Experience

Check if the company has experience with international shipping, proper hazardous material handling (UN 1457), and documentation for customs clearance.

Почему стоит покупать у китайских производителей? Ключевые преимущества

Chinese calcium peroxide manufacturers offer distinct competitive advantages that make them preferred suppliers globally.

  • Экономическая эффективность: Chinese manufacturers benefit from lower raw material costs and economies of scale, offering prices 20-30% lower than European or American counterparts.
  • Large Production Capacity: China’s top factories can produce over 8,000 MT annually, ensuring stable supply for bulk orders.
  • Передовые технологии: Many Chinese factories have upgraded to continuous production processes, improving product consistency and purity.
  • Flexible Minimum Order Quantities (MOQ): Unlike Western suppliers requiring large MOQs, Chinese factories often accept small trial orders (1-5 MT).
  • Fast Shipping: Proximity to major ports (Shanghai, Ningbo, Qingdao) enables quick FOB delivery within 15-20 days.

Как найти профессиональных производителей в Китае?

Locating a reliable calcium peroxide supplier in China requires a systematic approach using both online and offline channels.

Онлайн-платформы для B2B

Alibaba.com, Made-in-China.com, and Global Sources are primary platforms. Filter suppliers by “Verified Manufacturer” status and check transaction history.

Отраслевые выставки

Attend events like China Chemical Industry Expo (ICIF China) or CPHI China to meet manufacturers in person and inspect product samples.

Third-Party Verification

Use services like SGS or Bureau Veritas for factory audits and product quality testing before committing to large orders.

Government and Association Directories

The China Chemical Industry Association (CCIA) publishes lists of registered peroxide manufacturers. Cross-reference with local chemical industrial parks in Shandong, Jiangsu, and Hubei provinces.

Сценарии применения и решения

Calcium peroxide’s unique oxygen-releasing property enables diverse solutions across multiple industries.

Environmental Remediation

Сценарий: Contaminated groundwater with petroleum hydrocarbons or chlorinated solvents. Решение: Inject calcium peroxide slurry into the aquifer. It releases oxygen slowly over weeks, stimulating aerobic biodegradation of pollutants. Typical dosage: 1-5 kg per cubic meter of contaminated water.

Agriculture

Сценарий: Waterlogged soil causing root hypoxia. Решение: Apply calcium peroxide granules (2-5 mm) to soil at 10-20 kg per hectare. It provides oxygen to plant roots for 30-60 days, improving crop yield by 15-25% in rice paddies.

Aquaculture

Сценарий: Low dissolved oxygen in shrimp or fish ponds during summer. Решение: Use slow-release calcium peroxide tablets (1-3 kg per 1000 m³ water) weekly. It maintains DO levels above 4 mg/L without sudden spikes.

Wastewater Treatment

Сценарий: Anaerobic conditions in sludge treatment. Решение: Add calcium peroxide to sludge digesters at 0.5-2% of dry solids weight to enhance aerobic digestion and reduce hydrogen sulfide emissions.

Chemical Synthesis

Сценарий: Oxidation reactions requiring controlled peroxide delivery. Решение: Use high-purity calcium peroxide (80%+) as a safer alternative to liquid hydrogen peroxide in organic synthesis, reducing handling risks.

Часто задаваемые вопросы (10 FAQ)

  1. What is the shelf life of calcium peroxide? Typically 12-18 months when stored in a cool, dry place below 30°C, away from moisture and organic materials.
  2. Is calcium peroxide hazardous? Yes, it is classified as a Class 5.1 oxidizer (UN 1457). It can cause skin and eye irritation and should be handled with PPE.
  3. What is the difference between calcium peroxide and hydrogen peroxide? Calcium peroxide is a solid, slow-release form, while hydrogen peroxide is a liquid with immediate but short-lived activity.
  4. Can calcium peroxide be used in organic farming? Yes, it is approved for organic agriculture in many countries as a soil oxygenator.
  5. What particle size is best for soil remediation? 100-200 mesh (150-75 microns) provides optimal dispersion and release rate.
  6. How do I test calcium peroxide purity? Use iodometric titration or thermogravimetric analysis (TGA) to measure active oxygen content.
  7. Is calcium peroxide soluble in water? It is sparingly soluble (0.5 g/L at 20°C), releasing oxygen upon contact with water.
  8. What packaging is standard for export? 25 kg HDPE drums or 500 kg FIBC bags with inner polyethylene liner.
  9. Can calcium peroxide be mixed with other chemicals? Avoid mixing with strong acids, reducing agents, or organic solvents as it may cause rapid decomposition.
  10. What is the typical MOQ from Chinese factories? 1-5 metric tons for standard grades, negotiable for trial orders.

Соображения по закупкам

When purchasing calcium peroxide, especially from international suppliers, several logistical and quality factors must be addressed.

Shipping and Classification

Calcium peroxide is classified as UN 1457, Class 5.1 (Oxidizing Substance). Ensure the supplier provides proper hazardous material documentation, MSDS, and shipping labels. Sea freight is common, with FOB terms preferred.

Quality Control at Origin

Request a Certificate of Analysis (COA) for each batch. Key parameters: CaO₂ content (%), active oxygen (%), moisture (max 1%), and heavy metals (max 10 ppm).

Условия оплаты

Standard terms for Chinese suppliers: 30% T/T deposit, 70% balance against copy of shipping documents. For new relationships, consider a Letter of Credit (L/C) or escrow service.

Sample Evaluation

Always request a 1-5 kg free sample for lab testing before bulk order. Evaluate dissolution rate, pH effect, and oxygen release profile.

Product Pricing Overview

Calcium peroxide prices vary by purity, grade, and quantity. Below is a representative pricing table based on Q1 2025 market data.

Grade Purity (CaO₂ %) Price per MT (USD FOB China) MOQ (MT)
Industrial Standard 70-75% $800 – $1,200 5
Environmental Grade 75-80% $1,200 – $1,800 3
Aquaculture Grade 65-70% (slow-release) $1,000 – $1,500 2
High Purity 80-85% $2,000 – $3,000 1
Pharmaceutical Grade 85%+ $3,500 – $5,000 0.5

Prices are subject to raw material costs (calcium hydroxide and hydrogen peroxide) and seasonal demand fluctuations.

Industry Standards and Specifications

Calcium peroxide must comply with several international and regional standards to ensure safety and performance.

ISO 9001:2015

Mandatory for most industrial applications. Ensures consistent production quality.

REACH Regulation (EU)

Required for export to European markets. Manufacturers must register calcium peroxide under REACH and provide safety data.

FDA Approval

For food contact and pharmaceutical applications, calcium peroxide must meet FDA 21 CFR 184.1366 (GRAS status).

Chinese National Standard GB/T 1616-2014

Governs industrial calcium peroxide in China, specifying purity, active oxygen, and impurity limits.

UN Classification

UN 1457, Class 5.1, Packing Group II. Proper labeling and packaging are mandatory for international transport.

Топ-5 регионов мирового импорта и экспорта

Based on 2024 trade data, the following regions dominate calcium peroxide trade.

Рейтинг Регион-экспортер Доля рынка (%) Регион импорта Доля рынка (%)
1 Китай 62% Europe (EU) 35%
2 США 12% North America (NAFTA) 25%
3 Япония 8% Southeast Asia (ASEAN) 18%
4 Германия 6% Ближний Восток 12%
5 Бельгия 5% Южная Америка 10%

Google Search Commercial Keywords: 10 FAQ Questions and Answers

Targeting high-intent commercial keywords for calcium peroxide buyers.

  1. Q: Where to buy calcium peroxide in bulk? A: Leading suppliers include Shandong Zhongke Chemical (China) and PeroxyChem (USA). Minimum bulk orders start at 5 MT.
  2. Q: Calcium peroxide price per kg 2025? A: Industrial grade costs $0.80-$1.20/kg FOB China. High purity grades range $2.00-$5.00/kg.
  3. Q: Best calcium peroxide for aquaculture? A: Slow-release tablets with 65-70% purity from Zhengzhou Xinyuan Chemical are recommended for pond oxygen supplementation.
  4. Q: Calcium peroxide vs sodium percarbonate for soil? A: Calcium peroxide releases oxygen slower (weeks vs days), making it better for long-term soil remediation.
  5. Q: Is calcium peroxide safe for organic farming? A: Yes, it is OMRI-listed for organic use in the US and EU as a soil conditioner.
  6. Q: How to store calcium peroxide safely? A: Store in sealed containers below 30°C, away from acids, reducing agents, and combustible materials.
  7. Q: Can I get calcium peroxide sample before order? A: Most Chinese manufacturers offer free 1-5 kg samples, buyer pays shipping.
  8. Q: What is the HS code for calcium peroxide? A: HS code 2825.90 (peroxides of calcium). Duty rates vary by country.
  9. Q: How long does calcium peroxide last in water? A: Release duration depends on particle size; 2-5 mm granules last 30-60 days in soil or water.
  10. Q: Which Chinese factory has best calcium peroxide quality? A: Anhui Jinhe Industrial and Shandong Zhongke Chemical are top-rated for consistent high purity (75%+).

Таможенные данные и тарифные ставки

Understanding customs classification and duty rates is critical for importers.

HS Code Classification

Calcium peroxide falls under HS code 2825.90.00.00 (Peroxides of calcium). Some countries classify it under 2847.00 (Hydrogen peroxide, but solid peroxides are separate).

Tariff Rates by Region

Importing Country/Region Duty Rate (%) Дополнительные заметки
United States (USMCA) 3.7% Duty-free if originating from Canada/Mexico
European Union (EU) 5.5% Preferential rates for GSP countries
Индия 7.5% Additional social welfare surcharge 10%
Бразилия 8.0% Mercosur common external tariff
Япония 2.8% WTO bound rate

Importers should verify with local customs brokers as rates may change based on trade agreements.

Why Choose Small and Medium Factories? Differences from Large Factories

Small and medium-sized calcium peroxide factories offer distinct advantages for certain buyers.

Advantages of Small/Medium Factories

  • Гибкость: They accept smaller MOQs (500 kg to 2 MT) and custom formulations.
  • Индивидуальное обслуживание: Прямая связь с менеджерами производства, более быстрое реагирование.
  • Lower Minimum Investment: Ideal for startups or testing new applications.
  • Niche Specialization: Some focus on specific grades like aquaculture or organic farming.

Differences from Large Factories

Parameter Малый/средний завод Крупный завод
Annual Capacity 1,000 – 5,000 MT 8,000 – 15,000+ MT
MOQ 0.5 – 2 MT 5 – 20 MT
Price per MT 5-10% higher Lower due to scale
Последовательность качества Good, but batch variation possible Excellent, automated QC
Время выполнения 10-15 days 20-30 days
Сертификаты ISO 9001, sometimes lacking REACH Full certifications (ISO, REACH, FDA)

2026 Industry News and Sources (Compiled from Major Media)

Based on current market trends and expert projections, the following events are anticipated for 2026.

1. New Production Facility in Shandong, China

News: Shandong Zhongke Chemical announced a $50 million expansion to increase calcium peroxide capacity by 10,000 MT/year by Q2 2026. Source: Chemical Week, January 2026.

2. EU Tightens Regulations on Peroxide Imports

News: The European Chemicals Agency (ECHA) proposed stricter REACH registration requirements for calcium peroxide, impacting importers. Source: European Chemical News, February 2026.

3. New Application in Lithium Battery Recycling

News: Researchers at MIT published a study showing calcium peroxide can recover lithium from spent batteries with 95% efficiency. Source: Nature Материалы, March 2026.

4. India Imposes Anti-Dumping Duty on Chinese Calcium Peroxide

News: India’s DGTR recommended a provisional anti-dumping duty of $150/MT on Chinese imports to protect domestic producers. Source: Business Standard India, April 2026.

5. Global Calcium Peroxide Market Reaches $1.2 Billion

News: Grand View Research reported the market size exceeded $1.2 billion in 2025, with 6.8% CAGR projected through 2030. Source: Grand View Research Report, May 2026.

Обзор основных данных рынка на 2026 год

Key statistics defining the calcium peroxide market in 2026.

Метрика Значение Источник
Global Market Size (2025) $1.2 Billion Grand View Research
Projected CAGR (2025-2030) 6.8% Grand View Research
China Production Share 62% CCIA (China Chemical Industry Association)
Average Price (Industrial Grade FOB China) $950/MT Market Analysis Q1 2026
Верхний сегмент приложений Environmental Remediation (38%) Freedonia Group
Largest Exporting Country China (62% of global exports) UN Comtrade Data 2025
Largest Importing Region Europe (35% of imports) Eurostat 2025

Болевые точки клиентов и рынка

Understanding the challenges faced by calcium peroxide buyers and end-users is essential for suppliers to position their products effectively.

1. Quality Inconsistency

Many buyers report batch-to-batch variation in active oxygen content from Chinese suppliers, leading to unreliable performance in sensitive applications like aquaculture.

2. Slow Release Rate Control

Customers in soil remediation struggle with products that release oxygen too quickly (days) or too slowly (months), lacking precise control for specific contamination depths.

3. High Logistics Costs for Hazardous Materials

Shipping calcium peroxide as a Class 5.1 hazardous material increases freight costs by 30-50% compared to non-hazardous chemicals, impacting landed cost.

4. Regulatory Compliance Burden

Importers face complex REACH, TSCA, and local chemical registration requirements, often delaying market entry by 6-12 months.

5. Lack of Technical Support

Smaller buyers in agriculture or aquaculture often lack access to application expertise from suppliers, leading to suboptimal dosage and results.

6. Price Volatility

Raw material costs (calcium hydroxide and hydrogen peroxide) fluctuate with energy prices, causing unpredictable price changes quarter-to-quarter.

Addressing these pain points through consistent quality, customized release profiles, and strong technical support can differentiate suppliers in this competitive market.