Bomar Oligomers® BR-744SD
- CASE Ingredients Features
- Excellent AdhesionHigh Tensile Strength
- Chemical Family
- Urethane Acrylate/Isocyanate
Bomar™ BR-744SD is a difunctional, aliphatic polyester urethane acrylate offering excellent adhesion, flexibility, and tensile strength. It can be effectively formulated for adhesion to steel, aluminum, and various plastics. Products formulated with BR-744SD can be highly flexible, elastomeric, and tacky. It is excellent as an adhesion promoter or reactive tackifier, and is a perfect choice for optically clear UV-PSAs.
Identification
- CASE Ingredients Functions
- Adhesion PromoterOligomerRheology ModifierTackifier
Product families
Applications
- Adhesives & Sealants — Other Adhesives & Sealants Applications; Paints & Coatings — Other Paints & Coatings Applications
- Metal Coatings
- Electronics Coatings
- Tape & Label Adhesives
- Electronics Coatings
- Tapes & Labels
Product Families
- Functional Additives
- Surface Modifiers
- Oligomers
Other characteristics
- Brand
- Bomar Oligomers
- Functions
Adhesion Promoter, Oligomer, Rheology Modifier, Tackifier
- Markets
- Adhesives & Sealants
- Electrical & Electronics
- Paints & Coatings
- Printing & Packaging
- Technology
- CASE Ingredients
- HIGHLIGHTS
- Pressure Sensitive Adhesives
- Excellent Adhesion to Various Substrates
- Highly Elastomeric
- Excellent Reactive Tackifier
- Excellent Flexibility
- Excellent Optical Clarity
- Excellent Tensile Strength
- 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-744SD; 8.250; 1.430; 3.510; 2.610; 3.780; 2.550; 0.45; 1.42; 16.8; 88.4; 35.6; 65A; 55D; 80D; 82A; Water Absorption, %(24 hrs); X - Recommended, XX - Highly Recommended, XXX - Strongly Recommended
- Adhesive & Sealant Type
- Pressure Sensitive Adhesive
- Recommended Applications
- Pressure Sensitive Adhesives
- Metal and Plastic Coatings
- Electronics
- Inks
- Compatible Substrates and Surfaces
- Aluminum
- Metal
- Plastics
Technical data
Table 1 of 4
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Viscosity (60 °C) | 7,000 | cP |
| Pt-Co Color (APHA) | 35 | — |
| Pt-Co Color | 35 | APHA |
| Refractive Index (25°C) | 1.474 | — |
| Density (25°C) | 1.11 | g/cm3 |
Типичные рецептуры
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| BR-744SD | 70 | 50 | 50 |
| IBOA | 30 | 50 | — |
| TMPTA | — | — | — |
| TPGDA | — | — | 50 |
| HDDA | — | — | — |
| HEMA | — | — | — |
| Omnirad™ 481 | 2 | 2 | 2 |
| Viscosity, 25°C (CAP2000+) | 8.250 | 1.300 | 1.500 |
Типичные рецептуры
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Tensile Strength, (psi, ASTM D882) | 1.430 | 3.510 | 2.610 |
| Elongation (%, ASTM D882) | 321 | 355 | 27 |
| Elastic Modulus (ksi, ASTM D882) | 0.45 | 1.42 | 16.8 |
| Durometer Hardness | 65A | 48D | 55D |
| Water Absorption, %(24 hrs) | 0.51 | 0.31 | 0.73 |
| MEK Double Rubs (#) | 37 | 28 | 62 |
| Tg(DMA) = -9°C; Peak tan delta; cured with 2 phr of Irgacure® 184 | — | — | — |
Типичные рецептуры
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Aluminum | X | XXX | — |
| Cold Rolled Steel | XX | XXX | — |
| Glass | X | XXX | X |
| HDPE | — | — | — |
| Polycarbonate | XXX | XXX | XXX |
| PET | X | X | — |
| PMMA | XX | XXX | XX |
| Stainless Steel | XX | XXX | — |
