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Bomar Oligomers® BR-941

1 of 88 products in this brand
Bomar™ BR-941, a hexafunctional, aliphatic polyether urethane acrylate, isusedin applications that require a hard, chemicallyresistant, non-yellowing coating or adhesive with very fast cure response. BR-941’s high functionality and low molecular weight deliver its excellent properties to systems with a final viscosity much lower than is typical of urethane acrylates. BR-941 is compatible with a broad range of monomers and oligomers

Chemical Family: Urethane Acrylate/Isocyanate

Technical Data Sheet
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Identification & Functionality

CASE Ingredients Functions
Technologies

Features & Benefits

Product Highlights
  • Fast Cure Response
  • Provides Hardness
  • Oil & Chemical Resistant
  • Non-Yellowing
  • Imparts Scratch Resistance
  • Improves Abrasion Resistance
  • Exhibits Hydrolytic Stability
  • Gloss Finish
  • Improves Weatherability

Applications & Uses

Compatible Substrates & Surfaces
Recommended Application
  • Coatings for Wood
  • Plastic Hard Coatings
  • Floor Coatings

Properties

Uncured Properties
ValueUnitsTest Method / Conditions
Viscosity (50 °C)25,000cP
Pt-Co Color (APHA)30
Pt-Co Color30APHA
Refractive Index (25°C)1.496
Density (25°C)1.20g/cm3

Technical Details & Test Data

Typical Formulations

Adhesion Properties
Substrate I30 I50 TM50 TP50 H50 HE30
ABS            
Aluminum   X     X  

Cold Rolled Steel

X XX X XX X  
Glass   X        
HDPE            
PET            
PMMA            
Polycarbonate   XXX X X XXX  
Polypropylene            
PVC            
Stainless Steel         X  

X Recommended XX Highly Recommended XXX Strongly Recommended

Typical Formulations
Test Formulation Name 130 150 TM50 TP50 H50 HE30
BR-742M 70 50 50 50 50 70
IBOA 30 50        
TMPTA     50      
TPGDA       50    
HDDA         50  
HEMA           30
Omnirad 184 2 2 2 2 2 2
Viscosity, 25°C* 4,400 400 2,600 400 120 -

* Brookfield – CAP 2000+ @ 25°C.

Cured Mechanical Properties
Property I30 I50 TM50 TP50 H50 HE30

Tensile Strength, psi**

3,300 2,500 930 2,100 1,700 -
Elongation, 6** 7 5 1 2 2 -

Elastic Modulus, ksi*

270 95 190 230 180 -

Durometer Hardness

92D 90D 92D 91D 90D -

Water Absorption, 96 (24 hrs)

- - - - - -

MEK Double Rubs (#)

>200 >200 >200 >200 >200 -
Tg(DMA)= >200°C; Peak tan delta; cured with 2 phr of Omnirad® 184

** Per ASTM D882 – Not Tested || Incompatible X Unable to Measure

Viscosity Reduction with Reactive Diluents

Dymax Corporation Bomar BR-941 Viscosity Reduction with Reactive Diluents

Safety & Health

General Information

This product is intended for industrial use only. Keep out of the reach of children. Avoid breathing vapors. Avoid contact with skin, eyes, and clothing. Wear impervious gloves. Repeated or continuous skin contact with uncured material may cause irritation. Remove material from skin with soap and water. Never use organic solvents to remove material from skin and eyes. For more information on the safe handling of this material, please refer to the Safety Data Sheet before use.