Bomar Oligomer Product
UV/EB Oligomer

BR-116

BR-116: Trifunctional Aromatic Polyether Urethane Methacrylate Oligomer

BR-116 oligomer, a trifunctional, aromatic polyether urethane methacrylate, is used in the manufacture of soft coatings and adhesives which are made to adhere to metals and glass. BR-116 offers superior bond strength and excellent reduction capabilities in common monomers.

Neat Properties
Property Value
Viscosity cP (25ºC) 80,000
Pt-Co (APHA) Color 10
Refractive Index (25ºC) 1.481
Density, g/cm3 (25ºC) 1.09
Monomer Dilution Properties
Value
Property I30 I50 TM50 TP50 H50 HE30
Durometer Hardness 38D 47D 76D 65D 73D
Elastic Modulus (GPa [ksi]) 6.9 [1] 48.3 [7] 1,034.2 [150] 206.8 [30] 172.4 [25]
Elongation (%) 55 140 3.5 9 7
MEK Double Rubs (#) 8 5 >200 14 110
Tensile Strength (MPa [psi]) 2.8 [400] 12.4 [1800] 16.5 [2400] 7.6 [1100] 10.3 [1500]
Water Absorption (%) 24hrs
Viscosity (cP) 5,200 @ 25ºC 1,100 @ 25ºC 3,000 @ 25ºC 900 @ 25ºC 400 @ 25ºC — @ 25ºC

Features

  • Improves adhesion
  • Enhances flexibility
  • Low color
  • Provides softness
  • Exhibits hydrolytic stability
  • Gloss finish
  • Low shrinkage
  • Oil and chemical resistant

Applications

  • Steel-bonding coatings
  • Glass-bonding coatings
  • Soft touch coatings
  • Adhesion promoter for coatings
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