Bomar Oligomers® BR-741
- CASE Ingredients Features
- Abrasion ResistanceExcellent WeatherabilityHigh GlossImproved HardnessImproves AdhesionNon-Yellowing Grade
- Chemical Family
- Urethane Acrylate/Isocyanate
Bomar™ BR-741 is a lowmolecular weight, difunctional, aliphatic polyester urethane acrylatethatcan be effectively formulated for adhesion to steel, aluminum, and various plastics with some amount of surface energy. The resulting hard, tough film makes an effective protective coating, which will be non-yellowing, due to the aliphatic backbone of BR-741
Identification
- CASE Ingredients Functions
- Oligomer
Product families
Applications
- Metal Coatings
Product Families
- Oligomers
- Acrylics Acrylates & Methacrylates
Other characteristics
- Brand
- Bomar Oligomers
- Markets
- Paints & Coatings
- Technology
- Base Chemicals & Intermediates
- CASE Ingredients
- HIGHLIGHTS
- Improves Adhesion
- Enhances Hardness
- Non-Yellowing
- Develops Weatherability
- Provides Abrasion Resistance
- Gloss Finish
- 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
BR-741; 34.000; 59D; >95D; 81D; X - Recommended, XX - Highly Recommended, XXX - Strongly Recommended
- Base Chemicals Functions
- Oligomer
- Compatible Substrates and Surfaces
- Aluminum
- Metal
- Plastics
- Steel
Technical data
Table 1 of 4
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Pt-Co Color (APHA) | 40 | — |
| Pt-Co Color | 40 | APHA |
| Refractive Index (25°C) | 1.494 | — |
| Density (25°C) | 1.10 | g/cm3 |
| Viscosity (50°C) | 150,000 | cP |
Типичные рецептуры
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| BR-741 | 70 | 50 | 50 |
| IBOA | 30 | 50 | — |
| TMPTA | — | — | 50 |
| TPGDA | — | — | — |
| HDDA | — | — | — |
| HEMA | — | — | — |
| Omnirad™ 481 | 2 | 2 | 2 |
| Viscosity, 25°C (CAP2000+) | 34.000 | 1,900 | 8,700 |
Типичные рецептуры
6 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Tensile Strength, (psi, ASTM D882) | 9,200 | 7,400 | 3,800 |
| Elongation (%, ASTM D882) | 10 | 3 | 1.2 |
| Elastic Modulus (ksi, ASTM D882) | 390 | 340 | 420 |
| Durometer Hardness | 59D | 83D | >95D |
| MEK Double Rubs (#) | 35 | 13 | >200 |
| Tg(DMA) = 79°C; Peak tan delta; cured with 2 phr of Omnirad™ 48 | — | — | — |
Типичные рецептуры
6 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Aluminum | XXX | XXX | — |
| Cold Rolled Steel | X | XX | — |
| Glass | — | — | — |
| HDPE | — | — | — |
| Polycarbonate | XX | XXX | X |
| Stainless Steel | — | X | — |
