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Bomar Oligomers® BR-3042

1 of 88 products in this brand
Bomar BR-3042 is an aromatic polyether urethane diacrylate designed for UV adhesive applications. Cured films of BR-3042 and monofunctional monomers result in soft, highly elongative, tacky systems ideal for use in UV pressure sensitive adhesives (PSA), or UV-curable laminating adhesives.

Chemical Family: Urethane Acrylate/Isocyanate

End Uses: Pressure Sensitive Adhesive, Radiation Curable Coating

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Technologies

Features & Benefits

Product Highlights
  • Enhances Adhesion
  • Increases Flexibility
  • Improves Solvent Resistance

Applications & Uses

Compatible Substrates & Surfaces
Cure Method
Adhesive & Sealant Type
Recommended Applications
  • UV Pressure Sensitive Adhesives
  • Laminating Adhesives

Properties

Physical Form
Uncured Properties
ValueUnitsTest Method / Conditions
Density (25 °C)1.03g/cm3
Pt-Co Color(APHA)200
Refractive Index (25°C)1.46
Viscosity (25 °C)20000cP

Technical Details & Test Data

Typical Formulations

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

Cold Rolled Steel

X XX        
Glass X XX        
HDPE X          
PET X XX   X X  
PMMA X XX X X X  
Polycarbonate XX XX X X XX  
Polypropylene X XX        
PVC X XX   X X  
Stainless Steel X XX   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* 8,800 1,700 7,000 1,900 1,000 5,300

*Brookfield – CAP 2000+ @ 25°C.

Cured Mechanical Properties
Property I30 I50 TM50 TP50 H50 HE30

Tensile Strength, psi**

60 800 1,500 1,000 1,100 -
Elongation, 6** 150 500 4 17 8 -

Elastic Modulus, ksi*

- 3 55 20 25 -

Durometer Hardness

23A 61A 66D 43D 50D -

Water Absorption, 96 (24 hrs)

1.36 0.90 1.69 1.49 2.38 -

MEK Double Rubs (#)

39 15 71 4 9 -
Tg(DMA)=-48°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

Bomar Oligomers® BR-3042 - 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.