GOST 31899-2-2011 Roofing and hydraulic-insulating flexible polymeric (thermoplastic or elastomer) materials. Methods for determination of deformation and strength prorerties
GOST EN 13416-2011 Roofing and hydraulic-insulating flexible bitumen-based and polymeric (thermoplastie or elastomer) materials. Rules for sampling
GOST EN 1849-2-2011 Roofing and hydraulic-insulating flexible polymeric (thermoplastic or elastomer) materials. Methods for determination of thickness and mass per unit area
GOST 31899-2-2011 history
2011GOST 31899-2-2011 Roofing and hydraulic-insulating flexible polymeric (thermoplastic or elastomer) materials. Methods for determination of deformation and strength prorerties