FIELD: chemistry.
SUBSTANCE: adhesive composition contains carbamide-formaldehyde resin, NH4Cl hardener and active filler. The active filler used in the composition is schungite sorbent.
EFFECT: low toxicity of glued wood materials, high strength of the adhesive joint, low water-absorption and water-swelling, shorter hardening time of the adhesive composition, high efficiency of pressure equipment.
2 cl, 5 tbl, 1 ex
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