EPIKOTE Resin 872, a semi-solid at room temperature, is an epoxy resin, which has been produced from bisphenol A, epichlorohydrin and a flexibilising co-reactant. EPIKOTE 872 is also available as the 75% m/m solution in xylene, EPIKOTE 872-X-75.
Property |
Unit |
Value |
Test Method/Standard |
EPIKOTE 872 |
|
|
|
Epoxy group content |
mmol/kg |
1465 – 1705 |
SMS 2026 |
Viscosity at 25°C** |
mPa.s* |
1750 - 2750 |
ASTM D445 |
Colour** |
Gardner |
5 max |
ASTM D1544 |
EPIKOTE 872-X-75 |
|
|
|
Non volatile content (solvent: xylene) |
% m/m |
74.0 – 76.0 |
SMS 1524 |
Epoxy group content |
mmol/kg |
1465 – 1705 |
SMS 2026 |
Viscosity at 25°C*** |
mPa.s* |
1750 - 2750 |
ASTM D445 |
Colour** |
Gardner |
5 max |
ASTM D1544 |
Appearance |
- |
Free from dirt |
LPM 5037 |
* 1 mPa.s = 1 cPoise
** 75% m/m solution in xylene, prepared to SMS 1595
*** as supplied
Property |
Unit |
Value |
Test Method/Standard |
EPIKOTE 872 |
|
|
|
Epoxy equivalent |
g/equivalent* |
587 - 683 |
SMS 2026 |
Density at 25°C |
kg/l |
1.07 |
ASTM D4052 |
Flash point (PMCC) |
°C |
>255 |
ASTM D93 |
Viscosity |
|
|
ASTM D445 |
70°C |
Pa.s |
40 |
|
80°C |
Pa.s |
12 |
|
90°C |
Pa.s |
4.8 |
|
100°C |
Pa.s |
2.4 |
|
Compatibility of EPIKOTE 872 with other grades of EPIKOTE resin |
Ratio EPIKOTE 872 / other grade giving clear films on amine cure |
||
EPIKOTE 828 |
Compatible in all proportions |
||
EPIKOTE 1001 |
Between 99/1 and 75/25 |
||
EPIKOTE 1002 |
Between 99/1 and 90/10 |
||
EPIKOTE 1004 |
Between 99/1 and 95/5 |
||
EPIKOTE 1007 |
Incompatible in all proportions |
||
EPIKOTE 872-X-75 |
|
|
|
Epoxy equivalent |
g/equivalent* |
587 - 683 |
ASTM D1652 |
Density at 25°C |
kg/l |
1.01 |
SMS 1347 |
Flash point (Abel) |
°C |
24 |
IP 170 |
* number of grams of resin containing 1 equivalent of epoxide (Weight per equivalent, WPE, is an alternative term).