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Bomar Oligomers® BR-582E8

1 of 88 products in this brand
Bomar BR-582E8 is an aliphatic polyether urethane acrylate which provides a balance of toughness and flexibility. This oligomer is highly recommended for use in single-coat, flexible coatings on metal and plastic substrates. It is an excellent choice for impact and bend resistant coatings. BR-582E8 also brings desirable weather resistance and low-yellowing properties to formulations utilizing it.

Chemical Family: Urethane Acrylate/Isocyanate

End Uses: 1K (1 component) Coating

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Technologies

Features & Benefits

Product Highlights
  • Develops impact resistance
  • Imparts toughness
  • Great tensile strength
  • Enhances flexibility
  • Weatherability
  • Hydrolytic stability
  • Gloss finish

Applications & Uses

Compatible Substrates & Surfaces
Applications
  • Coatings for plastics
  • Coatings for metal

Properties

Cured Properties
ValueUnitsTest Method / Conditions
Durometer HardnessD80--
Elongation at Break25.0%-
Glass Transition Temperature (Tg)23.0°C-
Linear Shrinkage1.0%-
Nominal Viscosity14000.0cP-
Tensile at Break22.9 [3,320]MPa (psi)-
Water Absorption (25˚C, 24 h)1.3%-
Uncured Properties
ValueUnitsTest Method / Conditions
Density (25°C)1.06g/cm³
Pt-Co Color (APHA)max. 50--
Refractive Index (25°C)1.476--
Viscosity at 50°C60000.0cP-
Viscosity at 60°C25000.0--

Technical Details & Test Data

Typical Formulations

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

Cold Rolled Steel

  X       XX
Glass   XX        
HDPE            
PET XXX XXX XXX XXX XXX X
PMMA   XX     XX  
Polycarbonate XX XXX XXX XX XX  
Polypropylene   X        
PVC XX XXX XXX XX XXX  
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* 29,000 3,800 15,000 4,200 1,900 12,000

* Brookfield – CAP 2000+ @ 25°C.

Cured Mechanical Properties
Property I30 I50 TM50 TP50 H50 HE30

Tensile Strength, psi**

800 2,400 2,600 2,100 2,100 700
Elongation, 6** 90 110 22 14 6 80

Elastic Modulus, ksi*

2.9 45 140 55 65 4

Durometer Hardness

86A 57D 79D 61D 67D 70A

Water Absorption, 96 (24 hrs)

1 0.37 1 1 1 4

MEK Double Rubs (#)

81 17 >200 22 31 5

Tg(DMA)=29°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 Dymax Corporation BR-582E8 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.