Biological shields Neutron gamma radiations Metal-résine composites MP.1 & MP.2 Silicone foam 935.P & 935.BW MP1 Neutron-gamma shield material with fire-barrier properties. Machinability & joinability. Free-standing units. Description Dark grey - smooth Specific gravity 4,5 Fire resistance class M1 Conditioning Cast and compressed parts of various sizes MP2 Neutron-gamma shield material with fire-barrier properties. - Free standing units in non-reusable formworks. Description Drak grey Specific gravity 3,2 Fire resistance class M1 Conditioning Formworked and compressed parts. 935.P Four-constituent Penetration and biological shield treatment. Tickn. 25 cm : 2-hours fire barrier (flame curve CN I ISO 834) Leaktightness and decontaminabilitywith 75.ND or SILCO fabric. Description Black Specific gravity 3,2 to 2,8 Smoke index F2 Conditioning 2 x 200 ml. cartridges 25 l. metal drums 5 l. polyethilene containers. 935.BW Four-constituent Lead-free penetration and biological shield treatment. Tickn. 25 cm : 4-hours fire barrier (flame curve CN / ISO 834) Leaktightness and decontaminability with 75.ND or SILCO fabric. Description Black Specific gravity 2,4 to 2,6 Smoke index F2 Conditioning 2 x 200 ml. cartridges 12 l. metal drums 10 l. polyethilene containers.