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? 特点：Delrin 988PA is a low viscosity acetal homopolymer for injection molding with low screw deposit. It is especially formulated for gear applications requiring high precision and dimensional stability. ? POM 988PA NC010 低粘度,用于齿轮 Delrin? 988PA NC010 | POM ACETAL RESIN Regional Availability North America, Asia Pacific, South and Central America Processing Injection Moulding Delivery form Pellets Additives Lubricants, Release agent Product Text Common features of Delrin? acetal resins include mechanical and physical properties such as high mechanical strength and rigidity, excellent fatigue and impact resistance, as well as resistance to moisture, gasoline, lubricants, solvents, and many other neutral chemicals. Delrin? acetal resins also have excellent dimensional stability and good electrical insulating characteristics. They are naturally resilient, self-lubricating, and available in a variety of colors and speciality grades. Delrin? acetal resin typically is used in demanding applications in the automotive, domestic appliances, sports, industrial engineering, electronics, and consumer goods industries. Delrin? 988PA is a low viscosity acetal homopolymer for injection molding with low screw deposit. It is especially formulated for gear applications requiring high precision and dimensional stability. Injection molding PREPROCESSING Drying temperature = 80℃ Drying time, dehumidified dryer = 2-4 h Processing moisture content = <0.2 % PROCESSING Melt temperature optimum = 215℃ Melt temperature range = 210-220℃ Mold temperature optimum = 90℃ Mold temperature range = 80-100℃ Hold pressure range = 90-110 MPa Hold pressure time = 8-10 s/mm POSTPROCESSING Annealing: 30 min/mm at 160℃ PROPERTIES Rheological properties Value Unit Test Standard Melt mass-flow rate 25 g/10min ISO 1133 Mechanical properties Value Unit Test Standard Tensile Modulus 3000 MPa ISO 527-1/-2 Yield stress 72 MPa ISO 527-1/-2 Yield strain 12 % ISO 527-1/-2 Thermal properties Value Unit Test Standard Melting temperature,10℃/min 178 ℃ ISO 11357-1/-3 Flammability Value Unit Test Standard Burning Behav. at thickness h HB class IEC 60695-11-10 Thickness tested 0.8 mm IEC 60695-11-10 UL recognition UL - - Other properties Value Unit Test Standard Density 1420 kg/m3 ISO 1183