Bayflex® 180 RRIM (20% Mineral)

Category: PUR-Ether/MDI , Polyurethane (Polyether, MDI)
Manufacturer: Covestro - PUR
Trademark: Bayflex®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: q4gQbM_Bayflex-180-RRIM-20-Mineral-.pdf
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Message
Bayflex 180 is a high-performance polymer system with excellent heat stability, low moisture absorption, low thermal expansion characteristics and excellent impact resistance. Parts made from this material have excellent surface and paint adhesion qualities and have a DOI (Distinction of Image) comparable to painted steel parts. A wide range of parts can be molded with the Bayflex 180 system, from thin wallstock rocker panels and trim to large, durable body panels and engine enclosures for specialty equipment. As with any product, use of the Bayflex 180 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.

The Bayflex 180 system is supplied as two reactive liquid components. Component A is a diphenylmethane diisocyanate (MDI) prepolymer and Component B is a polyether polyol.
General Information
Filler / Reinforcement
  • Mineral filler, 20% filler by weight
Features
  • Low hygroscopicity
  • Impact resistance, good
  • Sprayable
  • Thermal stability, good
  • Excellent appearance
Uses
  • Parts under the hood of a car
  • Application in Automobile Field
  • Automotive exterior parts
  • Car exterior decoration
Forms
  • Liquid
Processing Method
  • Reaction Injection Molding (RIM)
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.25g/cm³ASTM D792, ASTM D1622
Molding Shrinkage - Flow 0.42%Internal method
Water absorption- 240 hr (3.81 mm) 0.20%Internal method
Additional InformationNominal ValueUnitTest Method
Heat Sag - 6 in Overhang 1ASTM D3769
    121°C, 3.81 mm 1.02mmASTM D3769
    191°C, 3.81 mm 10.2mmASTM D3769
MechanicalNominal ValueUnitTest Method
Tensile Strength (Break, 3.81 mm)32.4MPaASTM D638
Tensile Elongation (Break, 3.81 mm)70%ASTM D638
Flexural Modulus (23°C, 3.81 mm)1720MPaASTM D790
ElastomersNominal ValueUnitTest Method
Tensile Strength (Break, 3.81 mm)32.4MPaASTM D412
Tensile Elongation (Break, 3.81 mm)70%ASTM D412
Tear Strength 2(3.81 mm)105kN/mASTM D624
ImpactNominal ValueUnitTest Method
Notched Izod Impact (3.81 mm)160J/mASTM D256
ThermalNominal ValueUnitTest Method
CLTE - Flow (3.81 mm)7.6E-5cm/cm/°CASTM D696
ThermosetNominal ValueUnitTest Method
Thermoset Components 3
    Component a Mixing ratio by weight: 150
    Component B Mixing ratio by weight: 100
Shelf Life (32°C)26wk
Additional InformationNominal ValueUnitTest Method
Part A Type: Isocyanate Appearance: Colorless to light yellow liquid Specific Gravity @ 25°C: 1.1 Viscosity @25°C: 735 mPa-s Flash Point PMCC: >93 °C Part B Type: Polyol Appearance: Yellow to amber liquid Specific Gravity @ 25°C: 1.01 Viscosity @25°C: 960 mPa-s Flash Point PMCC: 164 °C Molding Parameters Material Temperature: 32 to 43 °C Mold Temperature: 71 to 74 °C Typical Cure Time, 0.125 in: 30 sec Polyol Nucleation - Specific Gravity: 0.70 to 0.75 0
Note Message
1 .1 hr
2 .C mould
3 .105 Index
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