Material Comparison

Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PUR,Unspecified BJB Polyurethane TC-890 FR REV 1 BJB Enterprises, Inc.
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Plastic Datasheets

Impact resistanceTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
Impact strength of cantilever beam gapASTM D25631 J/m
hardnessTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
Shore hardness邵氏DASTM D224078to82
Mechanical propertiesTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
elongation屈服ASTM D63821 %
Flexural modulusASTM D7901940 MPa
Tensile modulusASTM D6381720 MPa
tensile strength 屈服ASTM D63842.2 MPa
bending strengthASTM D79069.8 MPa
Electrical performanceTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
Dissipation Factor1MHzASTM D1500.014
dielectric constant1MHzASTM D1503.24
thermosettingTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
Thermosetting mixed viscosityGelTimeBrookfield6.0to7.0 min
WorkTime5(25°C)Brookfield5.0-6.0 min
Thermosetting components部件A按重量计算的混合比:70.按容量计算的混合比:79
Thermosetting mixed viscosity25°C2Brookfield325 cP
25°C3Brookfield1450 cP
Thermosetting components部件B按重量计算的混合比:100.按容量计算的混合比:100
Thermosetting mixed viscosity脱模时间(25°C)Brookfield60to120 min
25°CBrookfield740 cP
后固化时间(25°C)Brookfield120to170 hr
Thermosetting components贮藏期限26 wk
flammabilityTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
UL flame retardant rating1.6mmUL 94V-0
physical property Test ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
density--21.18 g/cm³
--31.33 g/cm³
收缩性4(1.27cm)0.060 %
--ASTM D7921.30 g/cm³
特定体积0.791 cm³/g
Thermal performanceTest ConditionTest MethodBJB Enterprises, Inc./BJB Polyurethane TC-890 FR REV 1
Heat distortion temperature1.8MPa,未退火,HDTASTM D64875.6 °C
0.45MPa,未退火,HDTASTM D64885.6 °C
ball-indentation hardness75°C,1.30mmIEC 60695-10-2通过

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