Chemical Product Testing

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Synthetic Polymer Material Testing

Chemical product testing primarily targets categories such as inorganic chemical products, organic chemical raw materials, fine chemicals, polymer synthetic materials, chemical reagents, and additives. In accordance with national, industry, ISO, ASTM, and other standards, it conducts physicochemical analysis, composition determination, impurity control, and hazardous substance testing. It provides third-party testing technical support for chemical raw material incoming inspection, production process quality control, finished product factory inspection, new product research and development, trade customs clearance, and quality dispute determination.

Testing Items

Material Identification

Qualitative and Quantitative Analysis of Organic Substances

Ash Content

Extractables

Impurity Element Analysis

Halogen Analysis

Testing Standards

GB/T 41946-2022 Rubber — Determination of total sulfur content — Ion chromatography method

GB/T 3516-2024 Rubber — Determination of solvent extract

GB/T 4618.1-2008 Plastics — Epoxy resins — Determination of chlorine content — Part 1: Inorganic chlorine

GB/T 4618.2-2008 Plastics — Epoxy resins — Determination of chlorine content — Part 2: Easily saponifiable chlorine

GB/T 4618.3-2026 Plastics — Epoxy resins — Determination of chlorine content — Part 3: Total chlorine

GB/T 6040-2019 General rules for infrared spectrum analysis

GB/T 39699-2020 Rubber — Identification of polymers — Pyrolytic gas chromatography-mass spectrometry method

GB/T 7764-2017 Rubber — Identification — Infrared spectrometric method

SN/T 5689-2024 Identification of plastic polymers — Pyrolysis gas chromatography-mass spectrometry

GB/T 46325-2025 Vulcanized rubber — Determination of free sulfur content — Gas chromatography (GC) and high performance liquid chromatography (HPLC)

Service Advantages

Possesses dozens of large-scale precision analytical testing instruments from domestic and international sources, including ICP-MS, GC-MS, XRD, XRF, FTIR, TGA, DSC, SEM, TEM, and other analytical instruments. Holds CMA and CNAS testing qualifications. Testing capabilities cover multiple categories of products including inorganic chemicals, organic chemicals, fine chemicals, and polymer materials. Can conduct chemical product testing business such as physicochemical indicators, principal component quantification, multiple types of impurities, and trace hazardous substance analysis.