BJB Polyurethane TC-640 A/B

Category: TSU , Polyurethane Thermoset Elastomer
Manufacturer: BJB Enterprises, Inc.
Trademark: BJB Polyurethane
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: H6Rx2e_BJB-Polyurethane-TC-640-A-B.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
TC-640 is a multi-purpose elastomer that can perform many functions. Typical product uses and features are:

  • Mold fabrication
  • Skin membranes for animated characters
  • Bumpers and many types of urethane rubber parts
  • Excellent as an adhesive for resilient and flexible bonds
  • Highly water-resistant. Insensitive to moisture during cure
General Information
Features
  • Aliphatic
  • Good Adhesion
  • Good Flexibility
  • Low to No Water Absorption
  • Resilient
Uses
  • Adhesives
  • Automotive Bumper
  • Bonding
  • Membranes
Appearance
  • Clear Amber
Forms
  • Liquid
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity
    -- 10.998g/cm³ASTM D792
    -- 21.02g/cm³
Molding Shrinkage - Flow 0.10%ASTM D2566
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)30 to 40ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Strength (Yield)2.41MPaASTM D412
Tensile Elongation (Break)750%ASTM D412
Tear Strength 8.76kN/mASTM D624
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Part A Mix Ratio by Weight: 100
    Part B Mix Ratio by Weight: 100
Shelf Life (25°C)26wk
Thermoset Mix Viscosity 3(25°C)3200cPASTM D2393
Demold Time (25°C)960 to 1400min
Post Cure Time (27°C)120 to 170hr
Gel Time 1.0hr
Work Time 4(25°C)45.0min
Note Message
1 .Part B
2 .Part A
3 .Mixed, Brookfield
4 .100 g mass
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