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Material Comparison

Product Info
Product Name
Brand Name
Usages
Properties
Certificates
Polyester, TS BUP 640 Bonyan Kala Chemie Company
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Buttons, transparent parts
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Plastic Datasheets

hardnessTest ConditionTest MethodBonyan Kala Chemie Company/BUP 640
Babbitt hardness>35
thermal performanceTest ConditionTest MethodBonyan Kala Chemie Company/BUP 640
Hot deformation temperatureHDT>50 °C
Melting temperature<170 °C
mechanical propertiesTest ConditionTest MethodBonyan Kala Chemie Company/BUP 640
bending strength>90.0 MPa
elongationBreak>5.0 %
tensile strength>45.0 MPa
Uncured PropertiesTest ConditionTest MethodBonyan Kala Chemie Company/BUP 640
Curing time0.13to0.17 hr
GelTime8.0to10 min
Solid content69to73 %
viscosity25°C1.2to1.7 Pa·s
Physical propertiesTest ConditionTest MethodBonyan Kala Chemie Company/BUP 640
acid value<25.00 mgKOH/g
ColorGardner<0.300
Shrinkage rateMD<1.0 %
Water absorption rateEquilibrium<0.30 %