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Anonymous users2024-01-24It can be used to lay electrical casing with high flame retardant grade. If PVC is easy to ignite or combustible, do not use it.
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Anonymous users2024-01-23Pipe configuration in the ceiling of the building: only the fire alarm system must lay metal pipes, and there are no special requirements for the rest of the projects. Expert.
PVC is polyvinyl chloride, English abbreviation PVC (Polyvinyl chloride), is vinyl chloride monomer (VCM) in peroxide, azo compounds and other initiators; or polymers polymerized under the action of light and heat according to the reaction mechanism of free radical polymerization. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively known as vinyl chloride resins. The material is an amorphous material.
PVC adhesive or waterproof paint is fine, but you have to dry the water first. >>>More
If you need to pay attention to it, ask the professional bricklayer master how to operate. >>>More
JDG pipe (sleeved set galvanized steel conduit, rigid metal flat conduit for electrical installation) is a kind of latest type of conduit for electrical line protection, and the connecting casing and its metal accessories are composed of screw tightening connection technology.
Hello, the material is better to be fireproof, smoke-free and insulated. It is best to be harmless to the body.
Allowed, because the PVC material can meet the fire protection standard, the fire station can also pass the inspection and acceptance, and it can be allowed.