Bomar Oligomers® BR-970BT

1 of 88 products in this brand
BOMAR™ BR-970BT is a low molecular weight, difunctional, aliphatic urethane acrylate. BR-970BT can be blended with other oligomers to achieve a balance of toughness and flexibility. BR-970BT offers rapid cure and low yellowing properties where premium performance is required. This material has low skin sensitivity for dental and cosmetic applications.

Chemical Family: Urethane Acrylate/Isocyanate

Labeling Claims: Bisphenol A-free

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Base Chemicals Functions
CASE Ingredients Functions

Features & Benefits

Labeling Claims
Features
  • Low viscosity
  • Hydrolytic stability
  • Abrasion and chemical resistant
  • Excellent cure response
  • Glossy finish
  • Non-yellowing
  • Stain resistant
  • Impact resistant

Applications & Uses

Ink & Toner Type
Recommended Applications
  •  Inkjet printing 

  • Graphic arts

  • Rapid prototyping 3D printing resins

Properties

Uncured Properties
ValueUnitsTest Method / Conditions
Density (25 °C)1.12g/cm3
Pt-Co(APHA) Color30
Pt-Co Color30APHA
Refractive Index (25°C)1.489
Viscosity (25 °C)10000cP

Technical Details & Test Data

Typical Formulations
Test FormulationName I30 I50 TM50 TP50 H50 HE30
BR-970BT 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  1,000 230 1,100 270 100 500

* Brookfield – CAP 2000+ @ 25°C.

Cured Mechanical Properties :
Property I30 I50 TM50 TP50 H50 HE30
Tensile Strength, psi 3,200 5,700 7,800 4,000 5,700 2,500
Elongation, % 35 6.0 4 15 11 65
Elastic Modulus, ksi 120 240 290 150 170 30
Durometer Hardness 75D 82D 88D 77D 80D 59A
Water Absorption, % (24 hrs) 0.31 0.22 0.40 0.52 0.36 2.14
MEK Double Rubs (#) 16 19 >200 79 >200 11
T g (DMA ) =59°C;Peak tan delta; cured with 2 phr of Omnirad™ 184

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

Adhesion Properties :
Substrate I30 I50 TM50 TP50 H50 HE30
ABS     XXX XX XXX  
Cold Rolled Steel Glass XX XXX XX XXX XXX X
HDPE            
PET XX XXX XX XXX XXX X
PMMA     XXX X XX  
Polycarbonate XXX XX XXX XXX XXX  
PolypropylenePVC XXX XXX XXX XXX XXX  
Stainless Steel            

X Recommended XX Highly Recommended XXX Strongly Recommended

 

Viscosity Reduction with Reactive Diluents

Dymax Corporation Bomar BR-970BT 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.