Micronized pentaerythritol powder for intumescent flame retardant systems
about us

Beyond a Supplier. We Engineer Powders for Your Applications.

We are not a slow-moving chemical giant. We are a specialized team focused on ultra-fine micronization, application testing, and rapid response for the flame retardant and coating industries. 
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Micronized pentaerythritol powder microstructure
OUR STORY

A Decade of Focus.
Built on Chemistry, Driven by Trust.

Founded in 2010, Yorchoo has dedicated two decades to the micronization of pentaerythritol. Our mission is to provide high-performance products and reliable services that empower our customers in flame retardants, coatings, adhesives, engineering plastics, and more.

We operate our own advanced micronization facilities, enabling precise control over particle size distribution from standard grades to fully custom specifications. Our in-house processing capabilities ensure consistent quality, reduce lead times, and allow us to support both large-scale production runs and tailored formulations for your unique application requirements.
16+
Years of Excellence
60+
Countries Served
50+
Skilled Professionals
99.5%
Product Purity Standard
OUR JOURNEY
2010
Company Established
Yorchoo Chemicals was founded with a vision to deliver high-quality pentaerythritol.
2012
First Production Line
Completed the first production line with an annual capacity of 5,000 tons.
2015
Capacity Expansion
Expanded to 10,000 tons/year to meet growing global demand.
2017
Advanced Milling
Introduced ultra-micro pulverization technology for finer particle size and purity.
2020
R&D Center Established
Built R&D and QC labs to strengthen innovation and quality assurance capabilities.
2024
Global Reach
Products exported to 50+ countries with long-term partner networks.
2026+
Sustainable Future
Continuing to invest in green manufacturing and value-driven solutions.
Processing Steps

Precision Micronization Technology

Complete production procedures guarantee consistent powder performance.

Raw Material Feed

Precision & Micronization

Air Classification

Powder Collection

Micronized Powder

Processing Fineness Range

D50: 5–45 μm
Consistent control across a wide range of specifications.

Particle Distribution Control

Narrow Distribution
Controllable D97/D100 for precise performance targets.

Material Safety

Ceramic / Stainless Steel
No iron contamination. Suitable for high-purity and sensitive applications.

Annual Processing Capacity

> 20,000 Tons
Scalable capacity to support global demand.
OUR FACILITIES

Advanced Facilities.
Engineered for Excellence.

From production to packaging, every step is carried out in modern, well-controlled environments to ensure product consistency and safety.
COMPLIANCE & SUPPORT

Technical Documents

Essential documents that support safety, quality assurance, and regulatory compliance for your global supply chain.

Technical Data Sheet (TDS)

Detailed product specifications, physical properties, and typical performance data for formulation reference. Available upon request.
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Safety Data Sheet (SDS)

Global GHS-compliant safety information outlining secure handling, hazard identification, storage, and transportation guidelines.
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Certificate of Analysis (COA)

Verified batch-specific quality reports detailing tested parameters and methods to guarantee consistency for your orders.
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Industrial Packaging

Flexible packaging options to meet your production and logistics needs.

25kg Bags

Moisture-proof multi-layer bag with inner liner.

500kg / 1000kg Bulk Bags

Premium FIBC for bulk handling and efficient loading.

Palletized Delivery

Secure packing and wrapping for safer transportation.
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Share your application and performance targets. Our technical team will provide the most suitable grade recommendation and support.