Bomar Oligomer Product
UV/EB Oligomer

BR-144H15

BR-144H15: Trifunctional Aliphatic Polyether Urethane Acrylate Oligomer

BR-144H15 is a trifunctional polyether urethane acrylate with excellent weatherability properties, fast cure speeds, and abrasion and solvent resistance. BR-144H15 is suitable for abrasion resistant wood coatings, hydrolytically stable inks, and coatings requiring additional cure speed with multifunctional oligomers

Neat Properties
Property Value
Viscosity cP (25ºC) 65,000
Pt-Co (APHA) Color 25
Refractive Index (25ºC) 1.48
Density, g/cm3 (25ºC) 1.07
Monomer Dilution Properties
Value
Property I30 I50 TM50 TP50 H50 HE30
Durometer Hardness 87D 88D 92D 86D 87D 55D
Elastic Modulus (GPa [ksi]) 1,654.7 [240] 2,344.2 [340] 2,551.1 [370] 1,654.7 [240] 1,516.8 [220] 1,379.0 [200]
Elongation (%) 9.5 4.5 2.0 10.0 6.5 25
MEK Double Rubs (#) 55 49 >200 >200 190 32
Tensile Strength (MPa [psi]) 31.0 [4500] 51.0 [7400] 47.6 [6900] 37.2 [5400] 41.4 [6000] 28.3 [4100]
Water Absorption (%) 24hrs 0.35 0.25 0.38 0.45 0.31 1.46
Viscosity (cP) 2,900 @ 25ºC 500 @ 25ºC 2,400 @ 25ºC 500 @ 25ºC 200 @ 25ºC 1,000 @ 25ºC

Features

  • Rapid cure speed
  • Exhibits hydrolytic stability
  • Low color / non-yellowing
  • High Gloss
  • Enhances weatherability
  • Improves abrasion resistance

Applications

  • Wood coatings
  • Graphic arts
  • Hydrolytically stable coatings
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