company tower banner
Bomar Specialties LLC Company Logo

Bomar Oligomers® BR-144B

1 of 88 products in this brand
BOMAR®BR-144B, a medium molecular weight, trifunctional, aliphatic polyether urethane acrylate oligomer, offers the formulator a cost effective means of obtaining high abrasion resistance and solvent resistance in a durable, high-gloss coating. While not limited to these fields, BR-144B is an effective choice in wood and furniture applications, along with abrasion-resistant overprint varnishes.This material has low skin sensitivity for dental and cosmetic applications.

Chemical Family: Urethane Acrylate/Isocyanate

Technical Data Sheet
  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Base Chemicals Functions
CASE Ingredients Functions

Features & Benefits

Product Highlights
  • Rapid Cure Speed
  • Exhibits Hydrolytic Stability
  • Low Color/Non-Yellowing
  • Provides Solvent Resistance
  • Low Skin Irritation
  • High Gloss
  • Enhances Weatherability
  • Improves Abrasion Resistance
  • Low MEHQ Levels
  • Low Skin Sensitivity

Applications & Uses

Compatible Substrates & Surfaces

Properties

Uncured Properties
ValueUnitsTest Method / Conditions
Pt-Co Color15APHA
Refractive Index (25°C)1.487
Density (25°C)1.10g/cm3
Viscosity (60°C)20,000cP

Technical Details & Test Data

Typical Formulations
Test Formulation Name I30 I50 TM50 TP50 H50 HE30

BR-144B

70 50 50 50 50 70
IBOA 30 50        
TMPTA     50      
TPGDA       50    
HDDA         50  
HEMA           30
Omnirad™ 481 2 2 2 2 2 2
Viscosity, 25°C (CAP2000+)

20.000

985 6.010 1.050 390 3,100

 

Cured Mechanical Properties
Property I30 I50 TM50 TP50 H50 HE30
Tensile Strength, (psi, ASTM D882)

5,200

7,500 6,500 4,300 5,300 3,200
Elongation (%, ASTM D882) 6.7 4.7 2.7 9.7 3.9 30
Elastic Modulus (ksi, ASTM D882) 270 330 340 200 210 170
Durometer Hardness 80D 77D 84D 79D 83D 84D
Pencil Hardness (ASTM D3363) 0.45 0.33 0.57 0.75 0.51 2.28
MEK Double Rubs (#) 14 7 >200 60 170 70
Tg(DMA) = 56°C; Peak tan delta; cured with 2 phr of Irgacure® 184  
Adhesion Properties

Substrate I30 I50 TM50 TP50 H50 HE30
ABS     X   XX X
Aluminum           X

Cold Rolled Steel

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

 

X - Recommended, XX - Highly Recommended, XXX - Strongly Recommended

Viscosity Reduction with Reactive Diluents

Dymax Corporation Bomar BR-144B Viscosity Reduction with Reactive Diluents