BJB Polyurethane TC-891 A/B

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: T2FP7k_BJB-Polyurethane-TC-891-A-B.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
Wechat: WECHAT
Message
TC-891 A/B incorporates a non-mercury based catalyst system that produces a tough 80 shore D material with a 12-minute work time. This system can be used to hand pour large electronic housing, models of all kinds, and point of purchase items. This system is also available in a 20-minute work time (TC-892), and a 5-minute work time (TC-890).
General Information
Features
  • Good Flow
  • Low Viscosity
Uses
  • Electrical Housing
  • Electrical/Electronic Applications
RoHS Compliance
  • RoHS Compliant
Appearance
  • Opaque
  • White
Forms
  • Liquid
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.14g/cm³ASTM D792
Specific Gravity
    Part A 1.18
    Part B 1.04
Color
    Part A Yellow
    Part B White
ThermosetNominal ValueUnit
Gel Time 17.0min
Work Time (25°C) 112.0min
Fill AnalysisNominal ValueUnit
Brookfield Viscosity
    Mixed : 25°C 725mPa·s
    Part A : 25°C 325mPa·s
    Part B : 25°C 830mPa·s
PhysicalNominal ValueUnitTest Method
Molding Shrinkage - Flow 2(12.7 mm)0.30%
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)78 to 82ASTM D2240
MechanicalNominal ValueUnitTest Method
Tensile Modulus 1650MPaASTM D638
Tensile Strength 52.4MPaASTM D638
Tensile Elongation (Break)10%ASTM D638
Flexural Modulus 1720MPaASTM D790
Flexural Strength 68.9MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact 37J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load ASTM D648
    0.45 MPa, Unannealed 90.6°C
    1.8 MPa, Unannealed 80.6°C
ThermosetNominal ValueUnit
Thermoset Components
    Part A Mix Ratio by Weight: 100, Mix Ratio by Volume: 88
    Part B Mix Ratio by Weight: 100, Mix Ratio by Volume: 100
Shelf Life 26wk
Demold Time (25°C)180 to 240min
Post Cure Time (82°C)16hr
Note Message
1 .100 g mass
2 .12x0.5x0.5 in
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