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XYRON™ X444H

Technical Datasheet | Supplied by Asahi Kasei Plastics

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.

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

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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XYRON™ X444H

XYRON™ X444H Properties

Physical Properties

XYRON™ X444H Processing Guidelines

Injection Molding Properties