GOST R 59561-2021 Thermal insulation materials for building and construction based on polyurethane (PU) and polyisocyanurate (PIR) foam applied in situ. Polyrethane and polyisocyanurate rigid foam systems before application. Specifications
2021GOST R 59561-2021 Thermal insulation materials for building and construction based on polyurethane (PU) and polyisocyanurate (PIR) foam applied in situ. Polyrethane and polyisocyanurate rigid foam systems before application. Specifications