WOOD-FIBER MATERIAL Russian patent published in 1997 - IPC

FIELD: wood working industry. SUBSTANCE: wood-fiber material has wood fiber and binding agent based on tall pitch. The source of tall pitch is adduct of the neutralized tall pitch and water-soluble salts of polyvalent metals, for example, copper, magnesium, tin, aluminium or iron at the following ratio of components, wt.-%: wood fiber 86-96 and adduct of the neutralized tall pitch and water-soluble polyvalent metals 4-14. EFFECT: enhanced quality of material. 3 tbl