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Bayflex® 180 RRIM

Polyurethane (Polyether, MDI)

Supplied by Bayer MaterialScience LLC

The technical datasheet with complete property values for Bayflex® 180 RRIM is available to members of the Prospector Plastics Database.
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Product Description
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  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Impact Resistance
  • Good Surface Finish
  • Good Thermal Stability
  • Low Moisture Absorption
  • Paintable
Uses 
  • Automotive Applications
  • Automotive Exterior Parts
  • Automotive Exterior Trim
  • Automotive Under the Hood
  
Forms 
  • Liquid
Processing Method 
  • Reaction Injection Molding (RIM)
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792, ASTM D1622
Molding Shrinkage - Flow
in/in
 Internal Method
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (Break, 0.125 in)
psi
 ASTM D638
Tensile Elongation (Break, 0.125 in)
%
 ASTM D638
Flexural Modulus
     ASTM D790
-22°F, 0.125 in
psi
  
73°F, 0.125 in
psi
  
149°F, 0.125 in
psi
  
Elastomers
Nominal Value
Unit
Test Method
Tensile Strength (Break, 0.125 in)
psi
 ASTM D412
Tensile Elongation (Break, 0.125 in)
%
 ASTM D412
Tear Strength 2 (0.125 in)
lbf/in
 ASTM D624
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (0.125 in)
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore D, 0.125 in)
 
 ASTM D2240
Thermal
Nominal Value
Unit
Test Method
CLTE - Flow (0.125 in)
in/in/°F
 ASTM D696
Thermoset
Nominal Value
Unit
Test Method
Thermoset Components 3
      
Part A
 
  
Part B
 
  
Shelf Life (90°F)
wk
  
Additional Information
Nominal Value
Unit
Test Method
Heat Sag 4
     ASTM D3769
4 in Overhang: 250°F, 0.13 in
mil
  
6 in Overhang: 250°F, 0.13 in
mil
  
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
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Bayflex® 180 RRIM, Bayflex 180 RRIM, Bayflex® , Bayflex, Bayflex180RRIM, 180 RRIM, 180RRIM, Polyurethane, Polyurethane (Polyether, MDI), Polyurethane Polyether MDI, PUR-Ether/MDI, PUREtherMDI, PUR-Ether:MDI, PUR-Ether+MDI, PUR-Ether-MDI, PUR-Ether_MDI, PUR-Ether MDI, PUR:Ether/MDI, PUR/Ether/MDI, PUR+Ether/MDI, PUR_Ether/MDI, PUR Ether/MDI, PUR, Bayer, PolyurethanePolyetherMDI, PUREther_MDI, PUREther MDI, PUR_EtherMDI, PUR EtherMDI, RRIM180
Features
Features may also be described by the following terms: Good Impact Resistance, Low Moisture Absorption, Low Water Absorption, Water Resistant, Moisture Resistant, Good Surface Finish, Good Thermal Stability.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector.
Notes
1Typical properties: these are not to be construed as specifications.
2Die C
3105 Index
41 hr
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.