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Bomar Oligomers® BR-571MB
- CASE Ingredients Features
- Abrasion ResistanceExcellent Scratch ResistanceExcellent WeatherabilityGood ToughnessHigh Impact ResistanceImproved FlexibilityImproves AdhesionLow YellowingWeather Resistance
- Chemical Family
- Urethane Acrylate/Isocyanate
Bomar™BR-571MB, a difunctional,aliphatic polyether urethane methacrylate,is used for its desirable balance of toughness and flexibility and its ability to adhere to a variety of substrates. It is an excellent choice for impact-resistantcoatings. BR-571MB also brings desirable weather resistance and low-yellowing properties to formulations utilizing it
Identification
- CASE Ingredients Functions
- Oligomer
Product families
CASE Ingredients — Monomers & Intermediates
- Oligomers
Other characteristics
- Brand
- Bomar Oligomers
- Technology
- CASE Ingredients
- HIGHLIGHTS
- Improves Adhesion
- Enhances Flexibility
- Provides Abrasion Resistance
- Provides Weatherability
- Low Yellowing
- Gloss Finish
- Typical Formulations
BR-571MB; Omnirad™ 481; X - Recommended, XX - Highly Recommended, XXX - Strongly Recommended
Technical data
Table 1 of 4
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Viscosity (50 °C) | 100,000 | cP |
| Pt-Co Color (APHA) | 30 | — |
| Pt-Co Color | 30 | APHA |
| Refractive Index (25°C) | 1.493 | — |
| Density (25°C) | 1.15 | g/cm3 |
Типичные рецептуры
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| BR-571MB | 70 | 50 | 50 |
| IBOA | 30 | 50 | — |
| TMPTA | — | — | 50 |
| TPGDA | — | — | — |
| HDDA | — | — | — |
| IBOA | — | — | — |
| Omnirad™ 481 | 2 | 2 | 2 |
| Viscosity, 25°C (CAP2000+) | 31,000 | 2,700 | 13,000 |
Типичные рецептуры
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Tensile Strength, (psi, ASTM D882) | 4,000 | 3,800 | 6,900 |
| Elongation (%, ASTM D882) | 65 | 25 | 3.6 |
| Elastic Modulus (ksi, ASTM D882) | 100 | 210 | 280 |
| Durometer Hardness | 70D | 77D | 86D |
| Pencil Hardnes (ASTM D336) | 0.38 | 0.23 | 0.48 |
| MEK Double Rubs (#) | 80 | 22 | >200 |
| Tg(DMA)=75°C; Peak tan delta; cured with 2 phr of Omnirad®184 | — | — | — |
Типичные рецептуры
6 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| ABS | — | X | XXX |
| PMMA | — | — | XXX |
| Glass | — | — | — |
| PET | — | — | XXX |
| Polycarbonate | — | X | XXX |
| PVC | X | XX | XXX |
