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Baydur® 263 IMR (600 g/m² Glass Weight)

Polyurethane (MDI)

Glass Fiber Reinforcement, 22%

Supplied by Bayer MaterialScience LLC

The technical datasheet with complete property values for Baydur® 263 IMR (600 g/m² Glass Weight) is available to members of the Prospector Plastics Database.
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Product Description
Baydur 263 IMR is a black pigmented, two component, low-density, structural RIM (LD-SRIM) system used in combination with glass reinforcement to mold automotive composite parts. The composite parts are produced by the open pour reaction injection molding process. The liquid resin mixture's low viscosity and long cream time allows it to fully permeate the glass reinforcement before reacting to form the solid crosslinked polymer. A variety of different fiberglasses can be used for reinforcement, such as: continuous roving glass mat, chopped strand glass mat, or with glass rovings utilizing a chopped glass fiber RIM machine. The system exhibits excellent flow, quick demold times, and outstanding mechanical properties.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass Fiber Reinforcement, 22% Filler by Weight
Features 
  • Good Flow
  • High Strength
  • Low Viscosity
Uses 
  • Automotive Applications
  • Automotive Interior Trim
  
Appearance 
  • Black
Processing Method 
  • Reaction Injection Molding (RIM)
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (72°F, 0.118 in)
psi
 ASTM D638
Flexural Modulus (72°F, 0.118 in)
psi
 ASTM D790
Flexural Strength (72°F, 0.118 in)
psi
 ASTM D790
Thermal
Nominal Value
Unit
Test Method
CLTE - Flow (0.118 in)
in/in/°F
 ASTM D696
Thermoset
Nominal Value
Unit
Test Method
Thermoset Components
      
Part A
 
  
Part B
 
  
Additional Information
Part A
  • Type: Isocyanate
  • Appearance: Dark brown liquid
  • Specific Gravity @ 25°C: 1.24
  • Viscosity @25°C: 200 cps
  • Flash Point PMCC: 199°C
  • NCO: 31.4 wt%

Part B
  • Type: Polyol
  • Appearance: Black liquid
  • Specific Gravity @ 25°C: 1.05
  • Viscosity @25°C: 1200 cps
  • Flash Point PMCC: 145°C
  • Hydroxyl Number: 550 KOH/g

Material Temperatures: 30 to 40°C
Mold Temperature: 65 to 75°C
Cream Time: 20 sec
Gel Time: 45 sec
Tack-Free Time: 55 sec
Related Terminology
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Features
Features may also be described by the following terms: Low Viscosity, Good Flow, High Strength.
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.
 
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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.