FIELD: wood-containing materials. SUBSTANCE: wood particles are mixed simultaneously with mineral and vegetable binding substances: fine fraction with mineral and graded fraction with vegetable binder. The two mixtures are then arranged such as the mixtures with vegetable binder were between mixtures with mineral binder, whereas facing is performed with vegetable binder. EFFECT: improved quality of material. 13 cl, 3 dwg
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Authors
Dates
1997-12-10—Published
1993-03-09—Filed