Titanium Dioxide R818 CAS 13463-67-7 for Plastic Film and Blow Molding
Titanium Dioxide R818 is dedicated rutile titanium dioxide for plastic film and blow‑molding industry. After alumina‑organic composite surface modification and strict fine screening, it minimizes oversized coarse particles. It delivers high hiding power and clean whiteness, disperses homogeneously within polyolefin resin matrix during high‑speed blown‑film and blow‑molding process. It effectively decreases fish‑eye, speckle and grain defects on thin‑wall film surface. Good thermal stability avoi
Product Overview
Titanium Dioxide R818 CAS 13463‑67‑7 is manufactured by sulfate process with film‑special composite surface coating. Multi‑stage fine screening removes coarse impurity particles, controlled particle‑size distribution provides proper oil absorption and excellent powder fluidity. This grade is customized for plastic film and blow‑molding scenarios. It solves common production pain points including film fish‑eyes, uneven opacity and surface blemishes caused by pigment agglomeration. Stable product quality meets the requirement of continuous high‑speed blown‑film extrusion and blow‑molding manufacturing.
Key Features
- Strictly controlled low coarse particle content, significantly lower fish‑eye defects for thin plastic film.
- Outstanding dispersibility in PE, PP polyolefin resins, achieve uniform whitening and covering effect.
- High hiding power and tinting strength, obtain ideal opacity at reasonable pigment addition.
- Good thermal stability, resist thermal yellowing under high‑temperature blow‑film and blow‑molding conditions.
- Low photocatalytic activity, retard photo‑oxidative aging and extend service life of plastic film articles.
- Excellent compatibility with polyolefin resin, polyethylene wax, dispersants and other masterbatch additives.
Main Applications
‑ PE, PP blown packaging film, agricultural mulch film‑ Blow‑molded hollow containers, plastic bottles and large blow‑molded parts‑ Polyolefin white masterbatch specially for film usage‑ Thin‑wall polyolefin injection molding products‑ Various polyolefin goods demanding low‑defect smooth surface
Usage Recommendation
‑ Direct compounding dosage: 1‑5 wt%; pigment loading in film masterbatch: 20‑55 wt%, adjust by opacity requirement.‑ Fully blend with resin and auxiliaries, adopt twin‑screw extruder for granulation before film blowing.‑ Ensure raw materials are fully dried before feeding; moisture causes bubbles and longitudinal streaks on film.‑ Do small‑scale blown‑film trial to inspect fish‑eye and surface condition 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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