Chitec Technology Co., Ltd.

We pursue difference, not numbers.

products

UV Stabilizers

Antioxidants

Photoinitiators

Photoinitiators

R-gen®/Chivacure®

Flame Retardants

Flame Retardants

industry applications

Coatings

UV/LED Curing and Printing

UV/LED Curing and Printing

Adhesives and Sealants

Adhesives and Sealants

Plastics

news & events

What's New?

R-455 Granted Key China Patent, Building a Strategic Moat in the High-End TPU Film Market

R-455 Granted Key China Patent, Building a Strategic Moat in the High-End TPU Film Market

Chitec Technology and Mr. Chiu Yanshu Scholarships: Encouraging Recipients to Pursue Their Dreams

Chitec Technology and Mr. Chiu Yanshu Scholarships: Encouraging Recipients to Pursue Their Dreams

Chitec at CHINACOAT 2025: High-Performance Additives for the New Cycle

Chitec at CHINACOAT 2025: High-Performance Additives for the New Cycle

Chitec to Showcase Innovative and Sustainable Additive Solutions at Compounding World Expo 2025

Chitec to Showcase Innovative and Sustainable Additive Solutions at Compounding World Expo 2025

CHITEC Recognized for Two Consecutive Years of Excellence in Occupational Health and Safety

CHITEC Recognized for Two Consecutive Years of Excellence in Occupational Health and Safety

Chitec at CHINACOAT 2025: Innovating Green & High-Performance Additives

Chitec at CHINACOAT 2025: Innovating Green & High-Performance Additives

Chitec Technology Named One of “Business Weekly’s 2025 Top 100 All-Age-Friendly Companies”

Chitec Technology Named One of “Business Weekly’s 2025 Top 100 All-Age-Friendly Companies”

Chitec Technology Showcases Precision Molecular Design in Material Stabilization at KSHOW 2025

Chitec Technology Showcases Precision Molecular Design in Material Stabilization at KSHOW 2025

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innovations

Insight into Expertise in the Tech Field

Six Causes of Plastic Yellowing Part 4: Additives and Impurities

Six Causes of Plastic Yellowing Part 4: Additives and Impurities

Metal ions, pigment breakdown, and TiO₂ quality can cause plastics to yellow—even with identical formulations.

Six Causes of Plastic Yellowing Part 3: The “Side Effect” of Antioxidants

Six Causes of Plastic Yellowing Part 3: The “Side Effect” of Antioxidants

Phenolic antioxidants may cause yellowing as they age, forming quinones and surface blooming detectable by UV-Vis or FTIR-ATR.

Yellowing

UV Solution Designed for Optical Films and Food-Grade PET ─ Chiguard® 380W

UV Solution Designed for Optical Films and Food-Grade PET ─ Chiguard® 380W

Chiguard® WN Series – High-Concentration, High-Stability Anhydrous Liquid Solution

Chiguard® WN Series – High-Concentration, High-Stability Anhydrous Liquid Solution

A Copolymerizable UV Absorbing Diol ─ Chiguard® R-455

A Copolymerizable UV Absorbing Diol ─ Chiguard® R-455

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