BJB Polyurethane TC-894 FR REV 1

Category: PUR, Unspecified , Polyurethane
Manufacturer: BJB Enterprises, Inc.
Trademark: BJB Polyurethane
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: X6Idb0_BJB-Polyurethane-TC-894-FR-REV-1.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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TC-894 FR REV 1 incorporates a non-mercury based catalyst system that produces a tough 80 shore D material with a 2.5 minute work time. This system can be used to hand pour or machine cast electronic enclosures and all types of parts requiring flame retardant characteristics.

Product Highlights:
  • Non-mercury
  • Demold time: 60 minutes at ambient temperature in a silicone rubber mold (1/8" thick section)
  • RoHS compliant
  • UL 94V-0 Listed, flammability rating at 1/16" thickness (File# E174527)
General Information
Features
  • Good toughness
  • Flame retardancy
Uses
  • Electrical/Electronic Applications
  • Shell
RoHS Compliance
  • RoHS compliance
UL File Number
  • E174527
Appearance
  • White
  • Opacity
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity
    -- 11.18g/cm³
    -- 21.33g/cm³
    -- 1.30g/cm³ASTM D792
Shrinkage 30.15%ASTM D2566
ThermosetNominal ValueUnitTest Method
Gel Time 3.0min
Work Time 4(25°C)2.5min
Additional InformationNominal ValueUnitTest Method
Cure Time (25°C)5.0 - 7.0day
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)78 - 82ASTM D2240
MechanicalNominal ValueUnitTest Method
Tensile Modulus 1720MPaASTM D638
Tensile Strength (Yield)42.2MPaASTM D638
Tensile Elongation (Break)21%ASTM D638
Flexural Modulus 1940MPaASTM D790
Flexural Strength 69.8MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact 31J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load ASTM D648
    0.45 MPa, not annealed 85.6°CASTM D648
    1.8 MPa, not annealed 75.6°CASTM D648
ElectricalNominal ValueTest Method
Dielectric Constant (1 MHz)3.24ASTM D150
Dissipation Factor (1 MHz)0.014ASTM D150
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Component a Mixing ratio by weight: 70, mixing ratio by capacity: 79
    Component B Mixing ratio by weight: 100, mixing ratio by capacity: 100
Shelf Life 26wk
Thermoset Mix Viscosity Brookfield
    25°C 5325cPBrookfield
    25°C 61450cPBrookfield
    25°C 740cPBrookfield
Demold Time (25°C)60min
Additional InformationNominal ValueUnitTest Method
Note: Reported physical properties are based on test specimens cured at an elevated temperature, 180°F.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 150-180°F (66-82°C). Support of the part may be required to prevent part deformation during heat cure.
Note Message
1 .Part A
2 .Part B
3 .12"x 1/2"x 1/2"
4 .100g mass
5 .Part A
6 .Part B
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