BJB Polyurethane TC-8750 A/B

About
TC-8750 A/B is a two-component urethane casting compound that is specifically formulated for high abrasion and impact resistance. It is recommended for use casting highly wear-resistant parts and linings. This product is safe and easy-to-handle. TC-8750 A/B is relatively insensitive to typical environmental moisture and will make excellent void-free parts without the problems that some conventional urethane systems exhibit. Because of this product’s exceptional toughness and abrasion resistance, castings made with TC-8750 A/B are particularly suitable for mining and mineral process industries. Product Highlights: Exceptionally tough, abrasion resistant, high impact material Contains no MDI, MDA, OR MOCA Easy to handle Room temperature mixing and curing&&

Product Description
GenericTSU
Material StatusCommercial: Active
FeaturesHigh impact resistance,Ultra high toughness,Good wear resistance
AvailabilitysNorth America
Process Methodscasting

Technical Data
PHYSICALNominal valueUnitTest method
Density 
1.12g/cm³
1.17g/cm³
1.13g/cm³ASTM D792
Shrinkage rate0.20%ASTM D2566

elastic bodyNominal valueUnitTest method
tensile strength
yield20.7MPaASTM D412
Tensile strain
fracture450%ASTM D412
tear strength105kN/mASTM D624

THERMALNominal valueUnitTest method
Thermosetting components 
Component A按重量计算的混合比: 100, 按容量计算的混合比: 100 
Component B按重量计算的混合比: 30, 按容量计算的混合比: 29 
Storage period
25℃26wk

Thermosetting mixed viscosityNominal valueUnitTest method
25℃4000cP
25℃250cP
25℃4750cP
stripping time
25℃240 to 360min
Gelation time20.0min
working hours
25℃15.0min

Supplementary informationNominal valueUnitTest method
Curing time
25℃5.0 to 7.0day

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D50 to 60 ASTM D2240
Bending modulus173MPaASTM D790
bending strength6.69MPaASTM D790

Notes
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