BJB Polyurethane TC-889 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: 25PwGo_BJB-Polyurethane-TC-889-A-B.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
Wechat: WECHAT
Message
TC-889 A/B 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 electronic housing, models of all kinds, and point of purchase items. This system is also available in a 20-minute work time (TC-892), 12-minute work time (TC-891), and a 5-minute work time (TC-890).


PRODUCT HIGHLIGHTS:
  • Non-mercury
  • Convenient mixing ratio: 1 to 1 parts by weight
  • Demold time: 30-45 minutes*
General Information
Features
  • Good Flow
  • High Rigidity
  • Low Viscosity
Appearance
  • Opaque
  • White
Forms
  • Liquid
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity ASTM D792
    -- 11.04g/cm³
    -- 1.14g/cm³
    -- 21.18g/cm³
Specific Volume 0.903cm³/g
ThermosetNominal ValueUnitTest Method
Work Time 3(25°C)2.5min
PhysicalNominal ValueUnitTest Method
Molding Shrinkage - Flow 0.60%ASTM D2566
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)78 to 82ASTM D2240
MechanicalNominal ValueUnitTest Method
Tensile Modulus 1650MPaASTM D638
Tensile Strength (Yield)52.4MPaASTM D638
Tensile Elongation (Yield)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 ValueUnitTest Method
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
Thermoset Mix Viscosity ASTM D2393
    25°C 4830cP
    25°C 5725cP
    25°C 6325cP
Demold Time (25°C)30 to 45min
Post Cure Time (25°C)120 to 170hr
Note Message
1 .Part B
2 .Part A
3 .100g mass
4 .Mixed
5 .Part B
6 .Part A
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