Rpom plastics are another kind of engineering plastics with excellent comprehensive properties after Pa. according to the different raw materials and polymerization methods, rpom can be divided into homoformaldehyde and copolyformaldehyde. At present, copolyformaldehyde is widely used.
Rpom is a kind of linear polymer with high density and high crystallinity without side chain.
Rpom plastic is a kind of white or light colored particle or powder, with smooth surface, glossy and greasy feeling, hard and dense, showing transparent or opaque characteristics.
Rpom plastics have low water absorption and can maintain dimensional stability in humid environment. Mechanical properties of rpom plastics do not decrease when they are used in hot water for a long time.
The weather resistance of rpom plastics is poor. In the atmosphere and sunlight, it is easy to make its performance decline, discolor and brittle, and its radiation resistance is not good. After being irradiated by high-energy radiation, the molecular chain will break and the mechanical properties will decline. It burns easily and does not extinguish itself. Rpom plastics have excellent mechanical, mechanical, electrical and corrosion resistance properties. They are widely used to replace various metals to make structural parts, wear-resistant parts and heavy load parts, such as bearings, gears, cams, impellers, pump bodies, zippers, pulleys, etc. The oil-bearing rpom can keep the parts in self-lubricating state all the time, so it is widely used in wear-resistant moving parts of textile, film machinery and other equipment, so that these parts can work for a long time under less lubrication or even no lubrication conditions.
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