Rosin Modified Cnsl Resin

Technical note : SBP-003
Introduction :
This is a CNSL resin modified with Rosin and supplied in 80%,70% and 50% solids.

Specification :
Colour a reddish brown
Clarity a clear
Gel tail a absent
Viscosity (40% in MTO at 30degree in fordcup no 4 ) a 25 to 100 seconds
Finish on hegman guage a 5+
Non volatile - solids as specified
Specific gravity a 0.95-0.96
Acid value a less than 12
MTO tolerance a 1:infinite
Scratch hardness air dried : 1000 gms
Flexibility & adhesion : good

DRYING TIME :
Surface dry : 40 min
Tackfree dry : 2 hours
Hard dry : 5-6 hours


Solubility:
MTO , TOLUENE,KETONES,ESTERS,NAPHTHAS ETC.

RECOMMENDED DRIERS :
LEAD 0.5%,COBALT 0.1%, MANGANESE 0.25% as metals on the solid content of the resin are recommended. If required the proportion of the manganese can be increased upto 0.3% for better effects.
After addition of the driers ageing for 24 hours is recommended