TiO2 R606 CAS 13463-67-7 for Silicone Rubber and EPDM Compound
TiO2 R606 is rubber‑grade rutile titanium dioxide customized for silicone rubber and EPDM systems. Adopting alumina‑silica inorganic‑organic composite surface treatment and strict particle classification, the pigment achieves excellent wet‑out performance in rubber matrix. It features high whiteness, strong tinting strength and remarkable anti‑yellowing capacity under high‑temperature vulcanization. It mixes evenly in kneader and open‑mill processing, effectively improving surface gloss, weather
Product Overview
TiO2 R606 CAS 13463‑67‑7 is sulfate‑process rutile titanium dioxide customized for silicone rubber and EPDM compound. Optimized oil‑absorption index matches high‑performance rubber system requirements. Composite surface treatment improves interfacial affinity between pigment and rubber polymer. This grade addresses frequent industry pain points: poor mixing dispersion, thermal yellowing under high‑temperature curing, surface speckles and insufficient outdoor weather resistance. Stable technical indicators support large‑scale kneading, extrusion and compression‑molding manufacturing of silicone and EPDM rubber articles.
Key Features
- Superior dispersion inside silicone rubber and EPDM matrix, shortens mixing duration and eliminates surface speckle defects.
- Excellent thermal stability, effectively resists discoloration and yellowing under high‑temperature vulcanization condition.
- High whiteness and tinting strength, produces clean and bright color tone for light‑colored rubber finished parts.
- Strong UV‑shielding capability, greatly improves weather‑resistance and anti‑aging performance for outdoor EPDM rubber products.
- Moderate oil‑absorption value, good compatibility with silicone, EPDM, cross‑linkers and common rubber additives.
- Chemically inert property, brings no negative influence on rubber cross‑linking efficiency and mechanical properties.
Main Applications
‑ Heat‑resistant silicone rubber gaskets, seals and extruded silicone profiles‑ Automobile EPDM weather‑proof sealing strips and peripheral rubber accessories‑ Construction outdoor‑grade EPDM rubber compound and extruded components‑ Light‑colored silicone & EPDM miscellaneous industrial rubber goods‑ Rubber formulations requiring heat resistance, weather resistance and bright surface appearance
Usage Recommendation
‑ Recommended dosage: 3‑13 phr within rubber formula, adjust based on whiteness and weather‑resistance requirements.‑ Charge TiO2 R606 in the early mixing phase of kneader or open mill.‑ Maintain adequate mixing time to achieve full and homogeneous pigment dispersion.‑ Avoid moisture‑induced caking of raw materials before feeding.‑ Conduct small‑batch compound mixing, vulcanization and comprehensive performance test before 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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