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BR-300
Series
Oligomers |
Aromatic and aliphatic mono- and difunctional polyether urethane acrylates. This is a workhorse family of oligomer products. Applications range from adhesives, including laminating and pressure sensitives, to high quality coatings for wood, metal and glass. |
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| OLIGOMER PROPERTIES |
FORMULATED PROPERTIES 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-301 |
2 | Aromatic | Low | 700,000 cP
@50°C | 68 | 140000 | 9000 | 3 | 87D |
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| BR-302 |
2 | Aromatic | Low | 15,000 cP
@50°C | 11 | 5000 | 1000 | 70 | 57D |
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| BR-303E |
2 | Aromatic | High | 115,000 cP
@25°C | -29 | 4500 | 460 | 266 | 28A |
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| BR-304 |
2 | Aromatic | High | 20,000 cP
@25°C | -40 | 3500 | 250 | 100 | 37A |
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| BR-344 |
2 | Aliphatic | High | 20,000 cP
@25°C | -48 | 2150 | 120 | 110 | 34A |
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| BR-372 |
2 | Aliphatic | Low | 40,000 cP
@50°C | 36 | 11600 | 1550 | 60 | 65D |
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| BR-374 |
2 | Aliphatic | High | 35,000 cP
@25°C | -48 | 4100 | 220 | 100 | 49A |
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| BR-3042 |
2 | Aromatic | High | 20,000 cP
@50°C | -37 | 12500 | 100 | 500 | 24A |
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| BR-3071 |
1 | Aromatic | High | 92,000 cP
@25°C | -40 | 9200 | 260 | 350 | 52A |
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| BR-3641AA |
1.3 | Aliphatic | High | 24,000 cP
@50°C | -50 | 12000 | 205 | 5280 | <20A |
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| BR-3731 |
2 | Aliphatic | High | 30,000 cP
@50°C | -36 | 11800 | 220 | 90 | 52A |
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| BR-3741AB |
1.3 | Aliphatic | High | 55,000 cP
@50°C | -49 | 22800 | 340 | 1050 | 26A |
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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. |
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