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Plastics & Elastomers
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Plastics & Elastomers
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XYRON™ X444H

XYRON™ X444H is a polyphenylene ether (PPE) and polystyrene (PS) alloy, reinforced with 40% filler. Exhibits high stiffness and low warpage. Designed for injection molding process. Possible applications are CD drive pick-up chassis, CD-RW drive sled chassis, CD-RW drive sub chassis, printer carriages, optical chassis for laser printers, laser printer frame chassis and LED cases. Complies with UL 94 HB Flame Rating.
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Product Type
PPE (Polyphenylene Ether) > PPE Alloy
Physical Form
Pellets
Product Status
COMMERCIAL

XYRON™ X444H Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.43 g/cm3
( )
ISO 1183
Linear Mold Shrinkage
0.10 - 0.40 %
(2.00 mm; 150x150x2 mm)
Internal Method
Water Absorption
0.060 %
(23°C, 24 h)
ISO 62

XYRON™ X444H Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
90.0 - 100 °C
Drying Time
2.0 - 4.0 hr
Processing Temperature
250 - 300 °C
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