Quality Certificates & Lab Reports

Independent laboratory verification from SGS and accredited testing facilities

Current Product Certificates

All our anthracite shipments come with comprehensive quality documentation from internationally recognized laboratories

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EAF-91 Grade Analysis

SGS Report #TH2024-3847
Fixed Carbon: 92.5%
Total Moisture: 1.2%
Ash Content: 5.8%
Sulfur: 0.75%
Test Date: December 2024
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EAF-90 Grade Analysis

SGS Report #TH2024-3846
Fixed Carbon: 90.6%
Total Moisture: 1.3%
Ash Content: 5.7%
Sulfur: 0.72%
Test Date: December 2024
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Cement Grade Analysis

SGS Report #TH2024-3845
Fixed Carbon: 82.3%
Calorific Value: 7,250 kcal/kg
Ash Content: 12.4%
Volatiles: 4.5%
Test Date: November 2024

International Testing Standards

Our products are tested according to globally recognized standards

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ASTM D3172

Standard Practice for Proximate Analysis of Coal and Coke

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ISO 589

Hard Coal - Determination of Total Moisture

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ASTM D3175

Volatile Matter in the Analysis Sample

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ISO 1171

Solid Mineral Fuels - Determination of Ash

Certified Laboratory Partners

Working with internationally accredited testing facilities

SGS Thailand Limited

SGS is the world's leading testing, inspection and certification company. Our Thai laboratory provides comprehensive coal and coke analysis services with international accreditation.

ISO/IEC 17025:2017 Accredited
Complete Proximate Analysis
Ultimate Analysis Available
Trace Elements Testing
Size Distribution Analysis
Hardgrove Grindability Index

Quality Assurance Process

Every shipment undergoes rigorous testing to ensure consistency and compliance with specifications:

Pre-shipment sampling and analysis
Loading supervision available
Sealed sample retention
Certificate of Analysis with each delivery
Third-party verification option
Dispute resolution samples maintained

Need Custom Testing or Additional Certificates?

We can arrange specific testing parameters or additional laboratory analysis based on your requirements

Request Custom Analysis