UV/EB Oligomer
BR-374
BR-374: Difunctional Aliphatic Polyether Urethane Acrylate Oligomer
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.
| Neat Properties | |
|---|---|
| Property | Value |
| Viscosity cP (25ºC) | 35,000 |
| Pt-Co (APHA) Color | <50 |
| Refractive Index (25ºC) | 1.46 |
| Density, g/cm3 (25ºC) | 1.10 |
| Monomer Dilution Properties | ||||||
|---|---|---|---|---|---|---|
| Value | ||||||
| Property | I30 | I50 | TM50 | TP50 | H50 | HE30 |
| Tensile Strength (MPa [psi]) | 4.1 [600] | 9.7 [1400] | 9.7 [1400] | 6.9 [1000] | 6.2 [900] | — |
| Elongation (%) | 290 | 400 | 4 | 20 | 5.5 | — |
| Elastic Modulus (MPa [ksi]) | X | X | X | X | X | — |
| Durometer Hardness | 49A | 79A | 68D | 43D | 53D | — |
| Water Absorption (%) 24hrs | — | — | — | — | — | — |
| MEK Double Rubs (#) | 4 | 3 | 141 | 24 | 44 | — |
| Viscosity (cP) | 3,600 @ 25ºC | 800 @ 25ºC | 3,400 @ 25ºC | 1,000 @ 25ºC | 500 @ 25ºC | — @ 25ºC |
** Tensile Properties per ASTM D882 - Not Tested || Incompatible X Unable to Measure