Unavailable
Polyacetal, also commonly known as acetal or polyoxymethylene (POM), is a formaldehyde-based, semi-crystalline engineering thermoplastic which contains the functional group of a carbon bonded to two -OR groups. It is 100% recyclable. POM is known as polyformaldehyde, polymethylene glycol and polyoxymethylene glycol.
Polyoxymethyene resins demonstrate well-balanced properties ranging for mechanical to physical and flammability performance. The key benefits of POM resins include:, Excellent mechanical properties over a temperature range upto 140°C, down to -40°C, High tensile strength, rigidity and toughness (short-term), Low tendency to creep (as compared to nylon) and fatigue (long-term). Not susceptible to environmental stress cracking, High degree of crystallinity and excellent dimensional stability, Excellent wear resistance, Low coefficient of friction, Good resistance to organic solvents and chemicals (except phenols) at room temperature, Low smoke emission, High gloss surfaces, Low moisture absorption, Poor resistance to strong acids, bases and oxidizing agents., Burns easily without flame retardants due to high oxygen content, Poor thermal stability without suitable stabilizer system, Limited processing temperature range, High mold shrinkage, Poor resistance to UV radiation. Prolonged exposure lead to color change, enbrittlement, and loss of strength, Low surface energy and hence difficult to bond without surface treatment
1.41
167
9
0.22
60
40
94
2500
85
80
110
