Bomar Oligomers® BR-990
- CASE Ingredients Features
- Abrasion ResistanceGood Hydrolysis ResistanceImproved FlexibilityImproved HardnessLow ViscosityNon-Yellowing GradeWeather Resistance
- Chemical Family
- Urethane Acrylate/Isocyanate
Bomar BR-990, an aliphatic polyether urethane triacrylate, is a more flexible option from the BR-900 series of high-purity oligomers. BR-990 can be used effectively in performance coatings applications needing a greater degree of flexibility than is offered by higher functionality materials of the same product line. In addition, BR-990 offers one of the lowest viscosity profiles of any urethane acrylate. It is mainly used as coatings and inks.
Identification
- CASE Ingredients Functions
- Oligomer
Product families
- Oligomers
Other characteristics
- Brand
- Bomar Oligomers
- Applications
- Flexible hard coatings
- Plastics adhesives
- Technology
- CASE Ingredients
- HIGHLIGHTS
- Enhances Flexibility
- Provides Hardness & Strength
- Exhibits Hydrolytic Stability
- Abrasion Resistant
- Non-Yellowing
- Gloss Finish
- Improves Weatherability
- 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 (#); ** Per ASTM D882 – Not Tested || Incompatible X Unable to Measure
Technical data
Table 1 of 3
2 rows| Characteristic | Value |
|---|---|
| Fluorescing | Ultra-Red |
| Rheology | Newtonian |
Table 2 of 3
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Durometer Hardness | D60 | — |
| Elongation at Break | 170.0 | % |
| Glass Transition Temperature (Tg) | 22.0 | °C |
| Modulus of Elasticity | 641 [93,000] | MPa (psi) |
| Nominal Viscosity | 1200.0 | cP |
| Tensile at Break | 2,100 | psi |
Table 3 of 3
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Density (25°C) | 1.15 | g/cm³ |
| Pt-Co Color (APHA) | 50.0 | — |
| Refractive Index (25°C) | 1.492 | — |
| Viscosity | 34000.0 | cP (at 20 rpm) |
| Viscosity at 25°C | 35000.0 | cP |
