Specifications
PH | 3 to 4 |
---|---|
BASE | TAPIOCA & CASSAVA |
PURITY | 100% |
FORM | POWDER |
MOISTURE | 0.95% MAXIMUM |
MESH | 200 MESH |
COLOR | CENERY YELLOW - (technical) |
APPLICATION | As A Green Strength Binder For Oil Sand |
VISCOSITY | 30 to 35 Seconds (100 gms Dextrin + 150 c.c. Water) Cold Process on Ford Cup No. 4 |
WATER SOLUBILITY | 97.5% |
ASH CONTENTS | 6% (Min) |
UNTAPPED DENSITY | 0.47% |
TAPPED DENSITY | 0.68% |
SHOP FLOOR TEST | Mix silica sand with 2.5% Dextrin + 1.2% linseed oil + 0.25% iron oxide + 1% Moisture, Mix for minimum 5 minutes :-
FOLLOWING PROPERTIES WERE FOUND:-
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All above information is based on findings in our laboratory and results may vary at the actual floor level at the time of its consumption, depending upon hardness of water, heat and humidity in the atmosphere, cleanliness of the gum vessel, gum trey and gum roller.
Uses
Yellow dextrins are used as water-soluble glues[5] in remoistenable envelope adhesives and paper tubes, in the mining industry as additives in froth flotation, in the foundry industry as green strength additives in sand casting, as printing thickener for batik resist dyeing, and as binders in gouache paint and also in the leather industry
Dextrins For Foundry Industry
Grodex Yellow Dextrin
Green strength binder for oils and in mould & Core (Foundry)
Grodex White Dextrin
Low viscosity partially soluble for mould & core (Foundry)