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There are two kinds of flame-retardant plastic bellows for threading on the market. The appearance seems to be the same. Many customers don't know the difference between each material, let alone the flame-retardant bellows in plastic bellows. What are the characteristics? When there are many scenes, the corrugated pipe that wears the wire must have the function of flame retardant and fireproof. For example, some mechanical equipment that will produce Mars, high-voltage power plants, automobile wires, etc. will require fire-retardant and fireproof. So, what kinds of flame retardant fireproof plastic bellows are used for threading?

Threaded flame retardant plastic bellows are available in two materials.

First, PP polypropylene flame retardant bellows
Product structure: both inside and outside the table are wave type
Color: black, orange, gray, white, red, blue, yellow, etc. (color can be customized, can be opened as needed)
Temperature: -30 ° C ~ 100 ° C short time 130 ° C
Flame retardant rating: UL94-V2
Burning speed <100mm/min
Features: oil resistance, acid and alkali resistance, strong corrosion resistance, high mechanical strength, good softness, surface gloss, halogen, phosphorus, cadmium, RoHS test
Application: New energy vehicle wiring harness protection, machine manufacturing, chemical equipment, protection of cable and wire from external wear and insulation.
How to use: Insert the wire and cable into the tube and use it with the corresponding model of the series hose connector.

Second, PA nylon flame retardant bellows

        PA Chinese name nylon, conventionally called nylon bellows, divided into flame retardant and non-flame retardant, color: black, orange, gray, white, red, blue, yellow, etc. (color can be customized, can be opened as needed ). Nylon bellows can be said to be the top quality and price of similar plastic bellows. It is made of nylon PA6. The working temperature is -40°C~+125°C, and the short-term can reach +150°C. Reaching V0 grade, flame retardant nylon corrugated pipe has good flexibility, anti-twisting and good bending performance; acid resistance, lubricating oil, coolant, etc., bright surface, anti-friction; can withstand heavy pressure of foot, no break, no deformation, It can be recovered quickly and without any damage.

        The above two kinds of plastic corrugated pipes are flame retardant, the structure is the same inside and outside corrugated type, the difference is the different materials, the performance and temperature of each material is not the same, so when choosing flame retardant bellows, it is polypropylene PP And nylon PA are two choices, depending on the temperature and cost to choose the appropriate threading bellows.