EPWA27 (PX/HX443D) – Abradable Attrition Coatings
Also known as PX/HX 443D.Graphite filled two part attrition compound which has almost totally replaced an earlier multi-coat spray system. Uses included the engine rings of the AB-8B Harrier. Hardness 72-75 Shore D-hardness, ASTM D2240.
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