... hardenerespecially for epoxy floor primer, middle coating, antisepsis,adhesive etc. ZY brand cashew oil epoxy hardener special ... condition, in addition, no outgrowth, no toxicity, nice adhesive, flexibility, insulation, water-proof, anti-corrosion, wide ratio ... surface and antisepsis metal surface on moisture environment.4). Adhsive: wide ratio to decrease composite cost5). Other usage: adhesive, ...