Konjac plant clear coat is a safe and environmentally friendly natural coating/adhesive which develops fine dry bond strength under extremely small amounts of solid.
Synthetic resin coating/adhesive may have good bonding properties, however most of them contains chemical agents that cause environmental preblems and are harmful to human health.

Konjac root (a tuber or ”yam” unique to Asia) powder does not dissolve in water, however forms a thick, gooey gel when exposed to fluids and is eatable vegetable fibers.

Konjac: Other Names: Konnyaku (Japan), Devil’s Tongue, Glucomannan, Elephant-foot Yam, Konjac Mannan, Amorphophallus konjac, Snake Plant

http://en.wikipedia.org/wiki/Konjac