Rutile TiO2 R103 CAS 13463-67-7 Low Reactivity for High Temperature Plastic Processing
Rutile TiO2 R103 is special‑purpose rutile titanium dioxide featuring low surface reactivity, treated by dense silica‑alumina inorganic coating. The dense barrier layer greatly reduces photocatalytic and chemical activity of titanium dioxide pigment. It avoids polymer degradation, molecular chain cleavage and foaming issues during long‑term high‑temperature plastic extrusion and injection molding. It delivers high tinting strength, excellent opacity and uniform dispersion in various engineering
Product Overview
Rutile TiO2 R103 CAS 13463‑67‑7 adopts sulfate process with dense silica‑alumina encapsulation surface modification. Compact surface coating effectively inhibits surface active sites of TiO2 particles. This grade is specially developed for plastics suffering from thermal‑oxidative degradation at high processing temperature. It solves common problems such as polymer yellowing, molecular weight drop, bubble generation and product brittleness caused by pigment catalytic effect. Stable batch‑to‑batch quality meets continuous production requirement of high‑temperature engineering plastic and modified compounds.
Key Features
- Ultra‑low surface chemical reactivity, restrain catalytic degradation reaction of polymer under high‑temperature condition.
- Dense silica‑alumina barrier coating, reduce pigment‑resin adverse interaction during processing.
- High hiding power and tinting strength, achieve stable whitening performance for high‑temperature plastic products.
- Good thermal stability, less discoloration under long‑time high‑temperature extrusion and injection molding.
- Excellent resin dispersion, reduce surface speckle and grain defects of finished plastic parts.
- Good compatibility with PA, PC, PBT, PET and other high‑temperature engineering plastic resins.
Main Applications
‑ High‑temperature engineering plastics: PA, PC, PBT, PET modified compounds‑ Glass‑fiber reinforced high‑heat‑resistant plastic components‑ Plastic products requiring long‑time high‑temperature extrusion processing‑ Engineering plastic masterbatch sensitive to pigment catalytic activity‑ Special modified plastics prone to thermal oxidative degradation
Usage Recommendation
‑ Recommended dosage: 1%‑7% by weight, adjust according to whitening and hiding requirements.‑ Premix sufficiently with resin, glass fiber and other additives before extrusion or injection.‑ Strictly ensure raw materials are fully dried before feeding, moisture will cause bubbles and silver streaks.‑ Avoid excessive processing temperature to obtain optimal comprehensive performance.‑ Carry out small‑batch processing trial before formal mass production.
Storage & Packaging
‑ Packaging: 25kg moisture‑proof kraft paper bag with PE inner liner.‑ Storage: Store in dry, cool and ventilated warehouse, keep tightly sealed against moisture absorption.‑ Shelf life: 24 months under standard storage conditions.
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