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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Purgex™ 742

Technical Datasheet | Supplied by Neutrex
Purgex™ 742 by Neutrex is a high-efficiency purging compound, for polyolefins only, is designed for polypropylene copolymer applications for injection molding of automotive interior trim parts. It is effective on resins HDPE, LDPE, PE, PP-Copolymer, PP-Homopolymer, and TPOs. It provides dual-cleaning action and requires reduced amount for efficient purging and low scrap. Purgex™ 742 is easily removed from the system with the next production resin. Recommended for efficient cleaning of mixing nozzles, barrel, screw, check ring, as well as hot runner systems, and is safely processed through tools with valve gates. It is non-toxic, non-abrasive and safe.
Product Type
Purging Compound
Physical Form
Gray to White
Product Status
Applications/ Recommended for
  • Automotive
  • Injection molding - thermoplastics
Key Features
Toxicity, None

Purgex™ 742 Properties

Thermal Properties

Value & Unit
Test Condition
Test Method
Melting Point
125 - 140 °C
( )

Purgex™ 742 Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Temperature Range
191 - 246 °C

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