The cast resin sleeve is non-flammable according to 0304 Part 3. The sleeve body is made of a transparent, thermoplastic material and is therefore extremely resistant to chemical and mechanical influences. The polyurethane foam seals are reliable seals that prevent the not yet hardened resin from escaping. AVM 95-400 D Passage 4 x 35 to 70 - Branch 4 x 16 to 25