Raptor Bismaleimide Resin
One
feature of the BMI-2 grade from Raptor Resins, is its
low-temperature cure. Most BMI resins are cured at
440-480°F. The BMI-2 version cures at 325°F, which reduces
process time. Despite the lower cure, the resin has a
glass-transition (Tg) temperature of 700°F., as measured by
dynamic mechanical analysis. The Tg of most BMI grades is
520-530°F., Repecka claims. "The Tg temperature of BMI-2 is
not only much higher than that of other BMI resins, but
greater than most polyimides that are formulated for use at
higher temperatures than BMI."
These new polymers can also be used to lower the
cost of making high-temperature (500ºF) composite
parts, without compromising performance and actually
improve performance in areas.
We
welcome your inquiries and can provide data on
request. Call us at
931-243-6916 or email us at
sales@raptorresins.com
Raptor Bismaleimide Resin
 |
Feature Specifications
- High
purity
- Low
thermal conductivity
- 365 day
shelf life
- Maximum
continuous service temp up to
-
PSI ranging from 37,000 - 45,00040 cPS viscosity at 275°F
- Gel time
40 min 275F
- Low viscosity
during processing
-
Low tack solid at room temperature
-
Crushed or solids
-
325°F cure temp
- Tg
temperatures above 700F
-
Finished hardness....
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