SUNCHEM · KNOWLEDGE HUB

Insights for Chemical Sourcing from China

Practical guides, market updates and sourcing strategies for chemical buyers working with Chinese suppliers.

For Chemical Buyers
  • How to evaluate Chinese chemical suppliers
  • Key documents required for chemical import
  • Understanding China price trends and supply cycles
  • Risk control in cross-border chemical procurement

Showing 42 articles

Market Updates

China Plastic Additives Market 2026: Trends and Supply Outlook

An overview of China's plastic additives market in 2026: antioxidant and UV stabilizer supply conditions, pricing drivers, environmental compliance impact, logistics considerations,...

Product Knowledge

UV Absorber 326: Applications, Specifications and Supplier Guide

Complete technical and sourcing guide for UV Absorber 326 (CAS 3896-11-5, Tinuvin 326 equivalent): chemical properties, polymer applications, typical usage levels, comparison...

Product Knowledge

How to Choose HALS Stabilizers for Plastics

Technical selection guide for Hindered Amine Light Stabilizers (HALS): molecular weight classes, NOR-HALS, compatibility with flame retardants and pigments, application dosage, and...

Sourcing Guides

How to Select a Reliable Antioxidant Supplier from China

A practical step-by-step guide for global buyers on evaluating Chinese antioxidant suppliers: quality systems, documentation, regulatory compliance, lead times, and common red...

Product Knowledge

Sulfur Antioxidants vs Phenolic Antioxidants: Key Differences

Compare sulfur-based thioester antioxidants (DSTDP, DLTDP) and phenolic antioxidants (Antioxidant 1010, 1076): mechanism, performance, synergies, and selection guide for polymer formulators.

Product Knowledge

How Antioxidants Improve Polymer Stability

Learn how polymer antioxidants work, the mechanism of oxidative degradation, the difference between primary and secondary antioxidants, and how synergistic systems protect...

Product Knowledge

Antioxidant 1010 vs Antioxidant 168: How to Choose

Compare Antioxidant 1010 (CAS 6683-19-8) and Antioxidant 168 (CAS 31570-04-4): mechanism, applications, synergy, and practical selection guidelines for polymer stabilization systems.

Product Knowledge

What Is Antioxidant 168 Used For? Applications, Specs and Sourcing

Antioxidant 168 (CAS 31570-04-4, generic Irgafos 168) is a phosphite secondary antioxidant essential for polymer melt processing stability. Learn its mechanism, applications,...

Product Knowledge

DSTDP vs DLTDP: Key Differences in Polymer Stabilization

Compare DSTDP (CAS 693-36-7) and DLTDP (CAS 123-28-4): chain length, molecular weight, performance at temperature, cost, and how to select the right...

Product Knowledge

What Is DSTDP? Uses, CAS Number and Supplier Guide

DSTDP (Distearyl Thiodipropionate, CAS 693-36-7) is a sulfur-based secondary antioxidant used extensively in polyolefin plastics. Learn its mechanism, applications, specifications, and sourcing...

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Antioxidant 1010 / SUNNOX® 1010 | CAS 6683-19-8

Basic Information Property Value CAS Number 6683-19-8 Sunchem Brand SUNNOX® 1010 Equivalent to BASF Irganox® 1010, Songnox 1010, Anox 20 Molecular Formula...

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Antioxidant 168 / SUNNOX® 168 | CAS 31570-04-4

Basic Information Property Value CAS Number 31570-04-4 Sunchem Brand SUNNOX® 168 Equivalent to BASF Irgafos® 168, ADK Stab 2112, Alkanox 240 Molecular...

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Diethyl Ether | CAS 60-29-7

Basic Information Property Value CAS Number 60-29-7 IUPAC Name 1,1'-Oxybisethane Molecular Formula C4H10O Molecular Weight 74.12 g/mol Appearance Colorless, clear liquid Purity...

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Acetic Anhydride | CAS 108-24-7

Basic Information Property Value CAS Number 108-24-7 Chemical Name Acetic anhydride / Ethanoic anhydride Molecular Formula C4H6O3 Molecular Weight 102.09 g/mol Appearance...

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DLTDP — Dilauryl Thiodipropionate | CAS 123-28-4

Basic Information Property Value CAS Number 123-28-4 Chemical Name Dilauryl 3,3'-thiodipropionate Molecular Formula C30H58O4S Molecular Weight 514.83 g/mol Appearance White crystalline powder...

未分类

DSTDP — Distearyl Thiodipropionate | CAS 693-36-7

Basic Information Property Value CAS Number 693-36-7 Chemical Name Distearyl 3,3'-thiodipropionate Molecular Formula C42H82O4S Molecular Weight 683.16 g/mol Appearance White flakes or...

Bio-based Solvents: Green Revolution and Industrial Future in the Carbon Neutral Era
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Bio-based Solvents: Green Revolution and Industrial Future in the Carbon Neutral Era

At the just-concluded CPHI Japan, a phenomenon sparked the attention of the global chemical industry: the explosive growth in demand for bio-based...

What  is the polymer additives
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What  is the polymer additives

In the context of polymer chemistry, "polymer additions" often refers to various additives mixed into polymer bases to enhance or modify their...

Н-метиланилин: производство и экспорт присадок к бензинам
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Н-метиланилин: производство и экспорт присадок к бензинам

Н-метиланилин

N-methylaniline: gasoline additive production and export
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N-methylaniline: gasoline additive production and export

N-methylaniline

Why You Should Purchase Chemicals in China through Sunchem
Sunchem

Why You Should Purchase Chemicals in China through Sunchem

China has become a major player in the global chemical market in recent years. With its vast production capacity and lower costs,...

Fluorinated Pharmaceutical Intermediates
Pharmaceutical Intermediates

Fluorinated Pharmaceutical Intermediates

4-fluorocyclohexanone, 2,2-difluoropropanol and 2-amino-3-bromo-5-fluoropyridine are important intermediates for the synthesis of anticancer drugs, anti-leukemia drugs and antibiotic drugs, respectively, with high value...

Suspension Concentrate
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Suspension Concentrate

Suspension concentrate is a coarse suspension system with water as the dispersing medium, which is evenly dispersed in water through grinding and...

Hindered Amine Light Stabilizers
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Hindered Amine Light Stabilizers

Hindered amine light stabilizers (HALS) are one of the most important thermal/light stabilizing agents of polymeric materials due to their excellent compatibility...

Rubber Vulcanization Accelerator
Rubber Additives

Rubber Vulcanization Accelerator

Vulcanization, as the key step in rubber process,directly affects the processing and performance of rubber products. Compared with sulfur alone, the presence of...

Amino Acid-based Surfactants
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Amino Acid-based Surfactants

Amino acid-based surfactants consist of amino acid moiety as the polar headgroup attached to one or more alkyl chains. Since they are...

Optimization of Addition Scheme of PMMA Resin Synthesis Additive
Resin Raw Materials

Optimization of Addition Scheme of PMMA Resin Synthesis Additive

Polymethyl methacrylate was prepared by free radical polymerization of methyl methacrylate. The polymerization process includes solution, suspension polymerization, bulk polymerization, etc., and...

New Domestic Materials
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New Domestic Materials

new materials industry is in the transition stage from self-sufficiency of low-end products to independent research and development of mid- and high-end...

China's API Industry Faces Hidden Worries under the Opportunities
APIs

China's API Industry Faces Hidden Worries under the Opportunities

Since 2020, there has been an outbreak of the New Crown epidemic. After more than 3 months of strict prevention and control...

Bio-based Coatings Market: Bright Future Ahead
未分类

Bio-based Coatings Market: Bright Future Ahead

Industry experts such as ChemQuest and Orr & Boss estimate that bio-based systems account for about 5% of the overall coatings market...

Development of New Varieties of Fungicides
Fungicides

Development of New Varieties of Fungicides

The development of triazole fungicides has been particularly notable since 1973 when Bayer introduced the first commercialized fungicide triadimefon with chiral carbon....

Polyimide Hollow Fiber
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Polyimide Hollow Fiber

Polyimide hollow fiber is widely used in gas separation and alcohol dehydration due to its high specific surface area and loading density.

Polyurethane Modified Waterborne Alkyd Resin Coatings
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Polyurethane Modified Waterborne Alkyd Resin Coatings

Polyurethane modified waterborne alkyd resin PUA-1642 was chosen as a film-forming substance and a waterborne alkyd resin coating was prepared.

Water-based Alkyd Resin Coatings
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Water-based Alkyd Resin Coatings

Due to the easy availability and low price of raw materials for alkyd resin coatings, and the excellent gloss, flexibility, and adhesion...

Food Additives Research in China
Food Additives

Food Additives Research in China

The food additives industry plays an important role in the modern food industry as a pillar industry. The development of its research...

Organic Pigments for Powder Coatings
Paint & Pigment Chemicals

Organic Pigments for Powder Coatings

The food additives industry plays an important role in the modern food industry as a pillar industry. The development of its research...

Multi-functional Natural Polymer-based Water Treatment Agents
Water Treatment Chemicals

Multi-functional Natural Polymer-based Water Treatment Agents

Water treatment agents,including coagulants / flocculants,bactericidal agents,and scale inhibitors,play important roles in the field of water treatment.

China's API Industry Enters a Big Era of Growth
APIs

China's API Industry Enters a Big Era of Growth

The Indian epidemic could create a large supply gap in the global specialty API segment. Currently, China and India already represent a...

Domestic Rise of Functional Silanes
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Domestic Rise of Functional Silanes

Functional silanes are one of the four major classes of silicone materials and are widely used for their excellent performance.

Technological Innovation of Glufosinate Enterprises
Herbicides

Technological Innovation of Glufosinate Enterprises

Glufosinate still has room for growth, with a focus on seed promotion beyond GM oilseed rape and short-term mutational growth from paraquat...

The Amino Acid Industry Ushers in a New Round of Boom
未分类

The Amino Acid Industry Ushers in a New Round of Boom

The amino acid industry is expected to usher in a new round of boom due to cost support on the raw material...

The Development Trend of Intermediates Industry
Pharmaceutical Intermediates

The Development Trend of Intermediates Industry

This report mainly provides an in-depth analysis of the intermediates industry. As an important field of fine chemical industry, intermediates industry has...


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