Bomar Oligomer Product
UV/EB Oligomer

BR-7432GI30

BR-7432GI30: Difunctional Aliphatic Polyester Urethane Methacrylate Oligomer

BR-7432GI30, an aliphatic polyester urethane diacrylate, formulates into applications requiring adhesion to various substrates and applications where excellent toughness and
flexibility are required. The BR-7432GI30 backbone performs very well in extended weatherability studies. It is an excellent choice for impact and bend resistant coatings, and can act
as an impact modifier for composite applications.

Neat Properties
Property Value
Viscosity cP (25ºC) 69,000
Pt-Co (APHA) Color 36
Refractive Index (25ºC) 1.483
Density, g/cm3 (25ºC) 1.11
Monomer Dilution Properties
Value
Property I30 I50 TM50 TP50 H50 HE30
Durometer Hardness 45D 83D 68D 72D
Elastic Modulus (GPa [ksi]) 48.3 [7] 1,172.1 [170] 620.5 [90] 586.1 [85]
Elongation (%) 180 4.0 20 11.0
MEK Double Rubs (#) 6 >200 29 121
Tensile Strength (MPa [psi]) 15.2 [2200] 30.3 [4400] 21.4 [3100] 22.1 [3200]
Water Absorption (%) 24hrs 0.66 0.66 0.67 0.57
Viscosity (cP) 6,700 @ 25ºC ‖ @ 25ºC 5,000 @ 25ºC 1,300 @ 25ºC 700 @ 25ºC ‖ @ 25ºC

Features

  • Imparts incredible toughness
  • Low Tg
  • Improves impact resistance
  • Excellent cure response in LED conditions
  • Adheres to polymer films
  • Elastomeric
  • Provides abrasion resistance

Applications

  • Coatings for metal and plastic
  • Thermoforming coatings and inks
  • Impact modifier for coatings, 3D printing resins, and peroxide-cured composites
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