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Home> Industry News> POM Copolymer Rods Preferred for Precision Machining Due to Dimensional Stability
August 18, 2026

POM Copolymer Rods Preferred for Precision Machining Due to Dimensional Stability

POM copolymer rods are the preferred choice for precision machining applications, offering superior dimensional stability and chemical resistance compared to homopolymer grades.Industry leaders including Quadrant EPP (Ertacetal C), Ensinger (TECAFORM AH), and Röchling (Sustarin C) supply acetal copolymer rod stock for tight-tolerance components.The material's low moisture absorption (0.9% max) and coefficient of thermal expansion (≤8×10⁻⁵/°C) ensure consistent part geometry across varying operating conditions. making it ideal for aerospace, medical, and electronics applications.
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