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Bomar Oligomers® BR-7432GI30

1 of 88 products in this brand
BR-7432GI30, an aliphatic polyester urethane diacrylate, formulates into applications requiring adhesion to various substrates and applications where excellent toughness and flexibility are required. The BR-7432GI30 backbone performs very well in extended weatherability studies. Itis an excellent choice for impact and bend resistant coatings, and can act as an impact modifier for composite applications

Chemical Family: Urethane Acrylate/Isocyanate

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions

Features & Benefits

Product Highlights
  • Imparts incredible toughness
  • Adheres to polymer films
  • Low Tg
  • Elastomeric
  • Improves impact resistance
  • Provides abrasion resistance
  • Excellent cure response in LED conditions

Applications & Uses

Compatible Substrates & Surfaces
Base Chemicals End Uses
Recommended Application
  • Thermoforming coatings and inks
  • Impact modifier for coatings, 3D printing resins, and peroxide-cured composites
  • Coatings for metal and plastic

Properties

Uncured Properties
ValueUnitsTest Method / Conditions
Pt-Co Color (APHA)35
Pt-Co Color35APHA
Refractive Index (25°C)1.483
Density (25°C)1.110g/cm3
Viscosity (25 °C)69,000cP

Technical Details & Test Data

Typical Formulations
Test Formulation Name I30 I50 TM50 TP50 H50 HE30

BR-7432GI30

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 (CAP2000+)

6.700

Incompatible

5.000 1.300 700 Did Not Cure

 

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

2.200

Incompatible

4.400

3.100

3.200

Did Not Cure
Elongation (%, ASTM D882) 180 4.0 20 11.0
Elastic Modulus (ksi, ASTM D882)

7

170

90

85

Durometer Hardness

45D

83D

68D

72D

Water Absorption, %(24 hrs)

0.66 0.66 0.67 0.57
MEK Double Rubs (#) 6 >200 29 121
Tg(DMA) = 40°C; Peak tan delta; cured with 2 phr of Irgacure® 184
Adhesion Properties
Substrate I30 I50 TM50 TP50 H50 HE30
ABS XXX Incompatible XXX XXX XXX Did Not Cure
Aluminum        
Cold Rolled Steel        
Glass        
HDPE        
PET XX XX XX XX
PMMA X X X XX
Polycarbonate X XXX XXX XXX
PVC   XXX XXX XXX
Stainless Steel        

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

Viscosity Reduction with Reactive Diluents

Dymax Corporation Bomar BR-7432GI30 Viscosity Reduction with Reactive Diluents

Safety & Health

Safety 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.