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Casamid™ 831 is a co-solvent thermoplastic polyamide resin designed for use in gravure inks and lacquers. CASAMID 831 is the highest viscosity grade of the standard range of CASAMID non- reactive polyamide resins. The composition of CASAMID 831 is similar to that approved under FDA 175.320-"Resinous and polymeric coatings for polyolefin films."

Chemical Family: Polyamides

End Uses: Gravure Ink, Lacquers

Features: High Viscosity, Improves Solvent Release

Technical Data Sheet
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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Applications & Uses

Coating Type
Ink & Toner Type
Product Applications

Casamid™ 831 to gelation and low tolerance to polar solvents but excellent solvent release and good lay. Incorporation of phenolic resin will improve the performance characteristics of the resulting inks or lacquers. For optimum solubility, blends of alcohols and hydrocarbons are recommended.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Acid Valuemax. 6 mg KOH/g
Amine Valuemax. 6 mg KOH/g
Softening Point (Ball & Ring)105 - 115°C
Melt Viscosity (Cone & Plate, at 160°C)25 - 40poise
Efflux Time Solution Viscosity (at 25°C, 35% in n-Propanol)43 - 65 secondsZahn No 2 cup

Packaging & Availability

Packaging Type
Packaging Information

Available in 25 kg bags normally 500 kg per pallet.

Storage & Handling

Shelf Life
12 months
Shelf Life & Handling

Store under cool, dry conditions. It is recommended that the material be used within 12 months of certification.

CASAMID polyamide resins are not classified as dangerous and present little or no toxic hazard at normal ambient temperatures, providing good standards of industrial and personal hygiene are practiced. However, dust may be produced during handling and the wearing of protective masks and precautions to avoid potential dust explosion etc. are required.