POM 美国杜邦 FG900P NC010 低粘度 均聚物

pom delrin fg900p nc010 is a kind of high impact resistance,self-lubricating, rigid and high viscosity isoformaldehyde.

common functions of polyformaldehyde acetal resins includemechanical properties such as high mechanical strength andstiffness and physical properties, excellent fatigue and impactresistance, and resistance to water, gasoline, lubricants,solvents, and many other neutral substances. delrin acetal resinalso has good dimensional stability and good electrical insulationproperties. they are naturally elastic, self-lubricating, and in avariety of colors and professional levels.

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he characteristics of

(1) there is no need to dry pom before processing. it is betterto preheat the pom during processing (about 80℃), which isbeneficial to the stability of product size.

(2) the processing temperature of pom is very narrow (0 ~ 215 °c), and it will decompose when the pom stays in the barrel for along time or when the temperature exceeds 220 ° c, generatingexcitant formaldehyde gas.

(3) the pom injection molding pressure should be large (similarto the injection pressure) to reduce the pressure drop.

(4) the shrinkage rate of pom products is large, and it is easyto shrink or deform.pom is larger than heat, and the moldtemperature is high (80 ~ 100℃).

(5) pom should be formed under the conditions of "mediumpressure, medium speed, low material temperature and high moldtemperature". mold temperature should be controlled when formingprecision products

(6) high mechanical strength and rigidity

(7) maximum fatigue strength

(8) good environmental resistance and organic solventresistance

(9) strong resistance to repeated impact, good electricalproperties, good recovery, self-lubrication, good wear resistance,excellent dimensional stability.