430323

Poly-(oxymethylen), Acetat-Endgruppen

melt index 6 g/10 min (190°C/1.05kg)

• Synonym(e): Acetal resin
• Lineare Formel: CH₃CO₂(CH₂O)_nCOCH₃
• CAS-Nummer: 25231-38-3
• UNSPSC-Code: 12162002

Eigenschaften

• Form: pellets
• Schmelzindex: 6 g/10 min (190°C/1.05kg)
• Härte: 94 (Rockwell M, ASTM D 785)
• mp (Schmelzpunkt): 175 °C
• Löslichkeit: chlorophenol: soluble at >70 °C
• Dichte: 1.42 g/mL at 25 °C
• SMILES String: [H]C([H])=O

Beschreibung

Anwendung

Injection molded into gears, cams, plumbing components, ′sparkless′ chains and impellers.

Leistungsmerkmale und Vorteile

Engineering thermoplastic, natural lubricity.
End-capped to minimize depolymerization. Resistant to neutral chemicals and a wide variety of solvents, sensitive to strong acids, alkalis and oxidizing agents. Antioxidants added. Noted for low coefficient of friction, stiffness, and fatigue and creep resistance.