The mainl composition of PVC cable material mainly includes: polyvinyl chloride resin, dioctyl phthalate, stabilizer, plasticizer, inorganic filler, filler, lubricant, antioxidant, colorant, etc., prepared by mixing and kneading and extrusion.
Plasticizer content is usually between 50PHR and 60PHR. Often choose heat resistance and electrical insulation performance of excellent plasticizer in order to better improve heat resistance can be added to trioctyl metapentriacid. A variety of plasticizers used together usually have the best effect. In fact, plasticizers in the PVC cable material formula are also used together. PVC cable material with strong insulation can choose phosphate ester as the main agent, and benzoate ester as the main agent is suitable for general grade. The heat resistance and volatile resistance of plasticizer are decisive factors for the high temperature resistance of cable materials.
Refer to the formula
Low smoke flame retardant PVC cable material formula:
PVC 100
stabilizer 7
DOP 30
hydrated zinc borate 4-6
chlorinated paraffin 20
aluminum hydroxide 20-40
TCP 15 antioxidant 0.5
PVC insulation grade cable material:
PVC 100
dibasic phosphite 2
DOP 20
lead stearate 0.8
chlorinated paraffin 18
calcium stearate 0.4M-50 18
calcium carbonate 4
tribasic lead sulfate 3
calcined clay 6
Low cost:
PVC 100
DOP 38
epoxy soybean oil 3
chlorinated paraffin 12
trialkyl-based lead sulfate 5
dialkyl-based lead stearate 2
clay 10 calcium carbonate 10
Post time: Aug-10-2022