BJB Polyurethane ST-3050 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: FVVLb8_BJB-Polyurethane-ST-3050-A-B.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
Wechat: WECHAT
Message
ST-3050 is a multi-purpose elastomer system that can perform many functions. Product characteristics are:

  • Cures at room temperature to produce a strong, resilient elastomer
  • Easy to use
  • Exudate and volatile free.
  • Maintains a dry, tack free surface after cure
General Information
Features
  • Good strength
  • No exudation
  • No stickiness
  • Elastic
RoHS Compliance
  • RoHS compliance
Appearance
  • Yellow
  • Clear/transparent
Forms
  • Liquid
PhysicalNominal ValueUnitTest Method
Specific Gravity
    -- 11.05g/cm³
    -- 21.08g/cm³
    -- 1.07g/cm³ASTM D792
Shrinkage 0.60%ASTM D2566
ThermosetNominal ValueUnitTest Method
Gel Time 25.0min
Work Time 3(25°C)20.0min
Additional InformationNominal ValueUnitTest Method
Cure Time 5.0 - 7.0day
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)45 - 55ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Strength 4(Break)> 8.27MPaASTM D412
Tensile Elongation 5(Break)> 1400%ASTM D412
Tear Strength 32.4kN/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: 50, mixing ratio by capacity: 49
Shelf Life (25°C)26wk
Thermoset Mix Viscosity Brookfield
    25°C 6450cPBrookfield
    25°C 73700cPBrookfield
    25°C 2600cPBrookfield
Demold Time (25°C)180 - 240min
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 160°F (71°C).
Note Message
1 .Part A
2 .Part B
3 .100g mass
4 .Test specimens exceed travel distance of testing equipment.
5 .Test specimens exceed travel distance of testing equipment.
6 .Part B
7 .Part A
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