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Bomar Oligomers® BRC-441D

1 of 88 products in this brand

BRC-441D is a difunctional, hydrophobic urethane acrylate that can be formulated into chemical and temperature resistant coatings and resins. The material has low color and excellent adhesion to a wide variety of plastics. The material can be formulated into tough, impact resistant 3D printing resins with excellent flexibility. Ifs ultra-low water absorption makes this an excellent choice for moisture sensitive or hydrophobic applications.

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CASE Ingredients Functions

Features & Benefits

Features
  • Excellent plastic adhesion
  • Optically clear and nonyellowing
  • Excellent hydrophobicity
  • Low water absorption
  • Imparts toughness
  • Glossy finish
  • Provides abrasion resistance
  • Good dimensional stability
  • Tin Free
  • INCI Listed
  • Abrasion Resistance
  • Flexibility
  • Weatherability

Applications & Uses

Markets
Compatible Substrates & Surfaces
Cure Method
Applications
  • Tough 3D printing resin
  • Impact resistant coatings for plastics
  • Moisture-sensitive coatings and adhesives
  • Ideal for tough
  • Impact-resistant 3D printing resins
  • Excellent hydrophobicity 
  • Low water absorption
  • Optically clear and non yellowing 
  • Provides abrasion resistance and toughness

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Density (at 25°C)1.09g/cm3
Durometer Hardness81D
Elongation at Break50%
Nominal Viscosity (at 25°C)4700cP
Nominal Viscosity (at 25°C)5500cP
Refractive Index (at 25°C)1.485
Tensile at Break23MPa
Glass Transition Temperature (DMA)58°C
Viscosity (at 60°C)4700cP

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Cured Mechanical Properties
Property I30 I50 TM50 TP50 H50 HE30
Tensile Strength, psi** 3,400 4,400 6,800 4,100 5,400 2,400
Elongation, %** 50 11 2.7 11.8 7.3 80
Elastic Modulus, ksi* 190 250 310 170 180 100
Durometer Hardness 810 820 900 810 830 65A
Water Absorption, % (24 hrs) 0.18 0.14 0.28 0.33 0.26 2
MEK Double Rubs (#) 32 14 >200 34 128 6
Tg(DMA)=58°C; Peak tan delta; cured with 2 phr of Omnirad® 184  

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

Typical Formulations
Test Formulation Name 130 160 TM50 TP50 H50 HE30
BR-146 70 50 50 50 50 70
IBOA 30 50        
TMPTA     50      
TPGDA       50    
HODA         50  
HEMA           30
Omniradw 184 2 2 2 2 2 2
Viscosity, 25C 5,500 900 4,000 900 400 1,800

* Brookfield – CAP 2000+ @ 25°C.

Adhesion Properties
Substrate I30 I50 TM50 TP50 H50 HE30
ABS *** *** *** *** *** *
Aluminum            

Cold Rolled Steel

           
Glass            
HDPE           **
PET *** *** *** *** ** ***
PMMA * *** *** *** ***  
Polycarbonate *** *** *** *** ***  
Polypropylene            
PVC *** *** *** *** ***  
Stainless Steel           **

* Recommended ** Highly Recommended *** Strongly Recommended

Viscosity Reduction with Reactive Diluents

Bomar Oligomers® BRC-441D - Viscosity Reduction With Reactive Diluents

Safety & Health

Safety

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.

Packaging & Availability