Baydur® PUL 2500 (81% Glass)

Category: PUR-Ether/MDI , Polyurethane (Polyether, MDI)
Manufacturer: Covestro - PUR
Trademark: Baydur®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 8eQwAM_Baydur-PUL-2500-81-Glass-.pdf
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Message
Baydur PUL 2500 is a two-component liquid polyurethane system for use in composite manufacturing. The isocyanate is a modified diphenylmethane diisocyanate (MDI), and the polyol component is a polyether polyol blend. The system has been specially designed for use in pultrusion and gives excellent composite properties, including superior elongation to failure, shear strength and impact resistance. As with any product, use of the Baydur PUL 2500 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.
General Information
Filler / Reinforcement
  • Glass fiber reinforced material, 81% filler by weight
Features
  • Impact resistance, good
  • Good strength
  • Extended tensile rate
Processing Method
  • pultrusion
PhysicalNominal ValueUnitTest Method
Specific Gravity 2.09g/cm³ASTM D792
MechanicalNominal ValueUnitTest Method
Flexural Modulus 48300MPaASTM D790
Flexural Strength 1380MPaASTM D790
Short Beam Shear > 62.1MPaASTM D2344
Flexural Strain 3.0%ASTM D790
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: 31.0 wt% min Part B Type: Polyol Appearance: Milky liquid Specific Gravity @ 25°C: 1.07 Viscosity @25°C: 750 cps Flash Point PMCC: >200°C Hydroxyl Number: 438 KOH/g Pultrusion Conditions Die Profile (Cross-section): 1 inch x 0.125 inch Line Speed: 36 in/min Die Temperature - Entry: Cooling On Die Temperature - Center: 190 to 230°C Die Temperature - Exit: 176°C
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