Click on the Product Number to register to download a .pdf version of the Product Data Sheet | |
BR-500
Series Oligomers |
Aliphatic linear polyether urethane (meth)acrylates. This is our most versatile series of oligomers, which includes patented oligomers. The cured oligomers demonstrate outstanding hydrolytic stability, low toxicity, excellent abrasion resistance and weatherability. They can be used in both exterior and interior coatings. |
 |
| OLIGOMER PROPERTIES |
FORMULATED PROPERTIES IN 30% IBOA
2% Omnirad 481 |
| f |
Oligomer
Type |
MW |
Neat
Oligomer Viscosity |
Tg*
(°C) |
Viscosity
cP @25°C |
Tensile
Strength, psi |
Elong. %
at break |
Durometer
(hardness) |
| BR-541 |
2 | Aliphatic | Low | 35,000 cP
@50°C | 49 | 8000 | 2050 | 60 | 72D |
 |
|
|
|
|
|
| BR-543 |
2 | Aliphatic | Med | 30,000 cP
@50°C | -52 | 14000 | 900 | 200 | 77A |
|
|
|
|
|
|
| BR-543M |
2 | Al/methacrylate | Med | 30,000 cP
@50°C | -62 | 13000 | 1300 | 220 | 75A |
|
|
|
|
|
|
| BR-571 |
2 | Aliphatic | Low | 100,000 cP
@50°C | 37 | 30000 | 3600 | 115 | 68D |
|
|
|
|
|
|
| BR-571M |
2 | Al/methacrylate | Low | 100,000 cP
@50°C | 50 | 27000 | 4500 | 110 | 74D |
|
|
|
|
|
|
| BR-582 |
2.4 | Aliphatic | Med | 300,000 cP
@50°C | 18 | 100000 | 3300 | 214 | 61D |
|
|
|
|
|
|
| BR-5824 |
2.4 | Aliphatic | Med | 100,000 cP
@50°C | 2 | 40000 | 2175 | 180 | 43D |
|
|
|
|
|
|
|
f = (meth)acrylate functionality
*Glass transition temperature measured by DMA, peak tan delta.
MOLECULAR WEIGHT
Low: less than 2000 glmol MED: 2000-4000 glmol HIGH: greater than 4000 glmol |
REGISTER
to download Bomar Specialties One Focus New & Unique Oligomers 2008 Product Guide. This guide features property tables to assist formulators in oligomer selection.
 Acrobat Reader is necessary to download
.pdf versions of available information. |
|
|
|
