Bomar Oligomers® BR-374
- CASE Ingredients Features
- Chemical ResistanceGood Hydrolysis ResistanceImproved FlexibilityImproves AdhesionNon-Yellowing GradeOil ResistanceWeather Resistance
- Chemical Family
- Urethane Acrylate/Isocyanate
Bomar BR-374, a medium molecular weight, difunctional, aliphatic polyether urethane acrylate oligomer, is a material offering a balance of toughness and flexibility, with very low color. Formulations with BR-374 yield high clarity films or tie layers with adhesion to a variety of substrates, making it ideal for laminating applications. It is also used in peroxide-cured roof coatings and floor coatings.
Identification
- CASE Ingredients Functions
- Oligomer
Product families
Applications
- Floor Coatings
- Roof Coatings
- Floor Coatings
Product Families
- Oligomers
Other characteristics
- Brand
- Bomar Oligomers
- Markets
- Building & Construction
- Paints & Coatings
- Technology
- CASE Ingredients
- HIGHLIGHTS
- Very low color
- Enhances flexibility
- Non-yellowing
- Improves adhesion
- Provides weatherability
- Oil & chemical resistant
- Exhibits hydrolytic stability
- 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.
- Typical Formulations
Cold Rolled Steel; X Recommended XX Highly Recommended XXX Strongly Recommended; * Brookfield – CAP 2000+ @ 25°C.; Tensile Strength, psi**; Elastic Modulus, ksi*; Durometer Hardness; Water Absorption, 96 (24 hrs); MEK Double Rubs (#); Tg(DMA)=-48°C; Peak tan delta; cured with 2 phr of Omnirad® 184; ** Per ASTM D882 – Not Tested || Incompatible X Unable to Measure
Technical data
Table 1 of 3
2 rows| Characteristic | Value |
|---|---|
| Fluorescing | Blue |
| Rheology | Newtonian |
Table 2 of 3
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Durometer Hardness | D60 | — |
| Elongation at Break | 200.0 | % |
| Glass Transition Temperature (Tg) | -48.0 | °C |
| Modulus of Elasticity | 158 [23,000] | MPa (psi) |
| Nominal Viscosity | 450.0 | cP |
| Tensile at Break | 580 | psi |
Table 3 of 3
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Density (25°C) | 1.1 | g/cm³ |
| Pt-Co Color (APHA) | max. 50 | — |
| Refractive Index (25°C) | 1.4 | — |
| Viscosity | 35000.0 | cP (at 20 rpm) |
| Viscosity at 25°C | 35000.0 | cP |
