BJB Polyurethane TC-670 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: 0I6Eub_BJB-Polyurethane-TC-670-A-B.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
TC-670 A/B is a two-component polyurethane elastomer compound. This product is a safe, easy-to-handle, room temperature mixing and curing system that contains no TDI, MDI, MDA, or MOCA. The low shrinkage, superior toughness, and excellent detail reproduction of TC-670 A/B makes this system ideal for general-purpose castings and quality tooling operations. TC-670 A/B contains UV ray stabilizers to provide added protection when used in outdoor applications.
General Information
Additive
  • UV stabilizer
Features
  • Good UV resistance
  • Good toughness
  • Low shrinkage
  • aliphatic
Uses
  • Mold/Mold/Tool
Appearance
  • Transparent amber
Forms
  • Liquid
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity
    -- 11.06g/cm³
    -- 21.11g/cm³
    -- 1.10g/cm³ASTM D792
Shrinkage 0.30%ASTM D2566
ThermosetNominal ValueUnitTest Method
Gel Time 25.0min
Work Time 3(25°C)20.0min
Additional InformationNominal ValueUnitTest Method
Cure Time (25°C)5.0 - 7.0day
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)65 - 70ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress ASTM D412
    100% strain 1.92MPaASTM D412
    200% strain 2.64MPaASTM D412
    300% strain 3.22MPaASTM D412
Tensile Strength (Yield)9.10MPaASTM D412
Tensile Elongation (Break)800%ASTM D412
Tear Strength 30.5kN/mASTM D624
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Component a Mixing ratio by weight: 100, mixing ratio by capacity: 100
    Component B Mixing ratio by weight: 95, mixing ratio by capacity: 91
Shelf Life 26wk
Thermoset Mix Viscosity Brookfield
    25°C 465.0cPBrookfield
    25°C 56000cPBrookfield
    25°C 1360cPBrookfield
Demold Time 240 - 360min
Additional InformationNominal ValueUnitTest Method
In order to achieve maximum physical properties, a post cure with heat is required. BJB recommends 24 hours at ambient temperature, 77°F (25°C), followed by 16 hours at 130-160°F (54-71°C).
Note Message
1 .Part A
2 .Part B
3 .100g mass
4 .Part B
5 .Part A
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