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1、CHANG CHUN PLASTICS CO., LTD.NO. 301, SONGKIANG ROAD, 7TH FL.,TAIPEI, 10477 TAIWANTEL : 886-2-2503-8131 (REF) FAX : 886-2- 2501-8018Engineering PlasticsPolybutylene TerephthalateTechnical DataCCP PBT 4830-BKPBT glass fiber 30% reinforced injection moulding grade.Characteristics1) excellent electrica
2、l property2) excellent temperature resistance, high heat distortion temperature.3) excellent mechanic and chemical property4) excellent weatherability5) excellent wear property6) excellent moldability7) High resistance to fuels, oil, fats and many solventsInjection Moulding ConditionCylinder tempera
3、tures: 240-270Nozzle temperature: 260-270Mould temperature: 40-120, suitable temperature 60-80Injection rate: middle - fastScrew speed: 60-120 rpm, to be chosen in such a way that plasticizing time is just within cooling time.PressureInjection pressure: 500-1200/2Holding pressure: 300-800/2Back pres
4、sure: 0-3/2Mould shrinkageMould shrinkage 1.6thickness horizon is 0.2-0.5% and vertical is 0.8-1.4% under the test method ASTM D955.Packaging25/ paper bag .Material handing Moisture pick-up from ambient air should be avoided. Keep hopper properly closed.Engineering PlasticsPolybutylene Terephthalate
5、CCP PBT 4830-BKPropertyValueUnitTest methodASTMGlass Fiber Content30%Specific gravity1.63-D792Melting point220DSCCoef. of linear thermal expansion310-5/D696Heat deflection temperature under load - 18.6/2195D648 - 4.6/2208D648Moisture absorption (24h)0.03D570Flammability acc. to UL94, 3.2 thicknessV-
6、0 -UL94Tensile strength1100/2D638Tensile elongation3.5D638Flexural strength1800/2D790Flexural modulus80000/2D790Izod impact strength - notched 1/4”8.5./D256Hardness - rockwell 94MD785Dielectric strength, 2thickness22KV/D149Volume resistivity1015-D257Surface resistivity1013D257Dielectric constant3.560HzD150Dielectric dissipation factor0.00160HzD150Arc resistance100SECD495(1) For reference only(2) All data in the table are the typical values of the material and not the minimum values of the material specifications.PBT 4830-BK P.2/2
