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Product Info
Product Name
Brand Name
Usages
Properties
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TSU BJB Polyurethane TC-680 A/B BJB Enterprises, Inc.
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Plastic Datasheets

hardnessTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
Shore hardness邵氏AASTM D224075to85
Supplementary InformationTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
WeightGain3.7 %
Mechanical propertiesTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
Tensile modulusASTM D41230.2 MPa
Electrical performanceTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
Dissipation Factor1kHzASTM D1500.010
Surface ResistivityASTM D2575E+15 ohms
dielectric constant1kHzASTM D1503.90
insulation resistance3E+12 ohms
thermosettingTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
Thermosetting mixed viscosity脱模时间(25°C)ASTM D2393240to360 min
Thermosetting components部件A按重量计算的混合比:100.按容量计算的混合比:100
部件B按重量计算的混合比:50.按容量计算的混合比:49
Thermosetting mixed viscosityWorkTime7(25°C)ASTM D239320.0 min
后固化时间(25°C)ASTM D2393120to170 hr
25°C4ASTM D23932100 cP
GelTimeASTM D239325.0 min
Thermosetting components贮藏期限26 wk
Thermosetting mixed viscosity25°C5ASTM D23936000 cP
25°C6ASTM D239360.0 cP
physical property Test ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
density--21.06 g/cm³
--31.09 g/cm³
Shrinkage rateMDASTM D25660.20 %
density--ASTM D7921.04 g/cm³
特定体积0.936 cm³/g
elastomerTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-680 A/B
elongation断裂ASTM D412720 %
tensile strength 屈服ASTM D41210.2 MPa
200%应变ASTM D4125.17 MPa
100%应变ASTM D4124.07 MPa
300%应变ASTM D4126.21 MPa
tear strengthASTM D62439.4 kN/m

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