Flame retardant antistatic toughening PVC (Poly Vinyl Chloride) pipe for methane
A flame retardant and antistatic, PVC pipe technology, applied in the direction of hoses, pipes, rigid pipes, etc., can solve the problems of poor impact resistance of PVC pipes, unfavorable PVC pipe application, insufficient flame retardancy, etc., to improve the safety of use, Reduce the possibility of static fire, the effect of less smoke
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Embodiment 1
[0031] Prepare ingredients according to the following ratio:
[0032] 80 parts of polyvinyl chloride resin (SG-5), 1.2 parts of composite lead stabilizer, 0.8 parts of paraffin wax, 0.4 parts of polyethylene wax, 0.3 parts of ACR201, 2 parts of CPE, 1 part of ACR401, 5 parts of superfine light calcium carbonate, 2 parts of nanoscale talcum powder, 0.05 part of carbon black as a colorant, 0.6 part of antimony trioxide, 1.0 part of aluminum hydroxide, 1.5 parts of sodium dodecylsulfonate, and 0.4 part of conductive furnace black.
[0033] The above-mentioned ingredients are hot-mixed and cold-mixed, and then extruded to form a pipe. After testing: volume resistivity 5.1×10 6 , the oxygen index of flame retardant effect is 60%, and the smoke suppression rate is more than 82%.
Embodiment 2
[0035] Prepare ingredients according to the following ratio:
[0036] 100 parts of polyvinyl chloride resin (SG-5), 1.9 parts of calcium zinc stabilizer, 0.4 parts of stearic acid, 0.5 parts of oxidized polyethylene wax, 0.5 parts of ACR (201), 2 parts of CPE, 2 parts of MBS, ultra-fine and light 4 parts of high-quality calcium carbonate, 1.5 parts of nano-scale ultra-fine calcium carbonate, 0.05 parts of colorant carbon black, 0.6 parts of tricresyl phosphate, 0.8 parts of aluminum hydroxide, 2 parts of sodium dodecyl sulfonate, 0.6 parts of conductive furnace black .
[0037] The above-mentioned ingredients are hot-mixed and cold-mixed, and then extruded to form a pipe. After testing: volume resistivity 8.7 × 10 6 , the oxygen index of flame retardant effect is 60%, and the smoke suppression rate is more than 75%.
Embodiment 3
[0039] Prepare ingredients according to the following ratio:
[0040] 50 parts of polyvinyl chloride resin (SG-5), 0.6 parts of calcium zinc stabilizer, 0.5 parts of paraffin wax, 0.3 parts of oxidized polyethylene wax, 0.2 parts of stearic acid, 0.1 parts of ACR (201), 2 parts of CPE, 2 parts of MBS 1 part, ACR401 1 part, 8 parts of ultra-fine light calcium carbonate, 1.5 parts of nano-scale ultra-fine calcium carbonate, 1.5 parts of nano-scale talc powder, 0.01 part of colorant carbon black, 0.6 part of tricresyl phosphate, 0.8 part of aluminum hydroxide , 1.1 parts of antimony trioxide, 3 parts of sodium dodecylsulfonate.
[0041] The above-mentioned ingredients are hot-mixed and cold-mixed, and then extruded to form a pipe. After testing: volume resistivity 3.12×10 6 , the oxygen index of flame retardant effect is 60%, and the smoke suppression rate is more than 80%.
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