Power cord manufacturers to produce power cords used in the production of PVC plug material formula composition ratio and the quality of the power cord plug has a very strong relationship.First of all, let's take a look at the ordinary PVC sheathed power cord rubber, plasticizer dosage of 50-60 kg, calcium-zinc stabilizer 4-6 kg, lubricant 0.5-1.0 kg, filler 50-65 kg.Now in order to reduce costs will be appropriate to participate in other plasticizers 6-10 kg; filler dosage is large, plasticizer, lubricant dosage can be larger; the use of inactive filler, plasticizer, lubricant dosage should be larger;
Let's take a look at the monitored adapter currents Ordinary gun or dome: the working current is about 200~300mA you can choose 500MA-1A power supply.Integrated camera: the working current is about 350~400mA can choose 1A power supply. Small medium-sized infrared camera: working current is 600-700mA can choose 1A power supply.
1, poor plasticization of rubber extrusion General poor plasticization important performance: plug power cord extrusion layer with toad skin-like; plastic surface black, no luster, and there are small cracks; extrusion layer in the glue at the obvious line seams; caused by the important reasons are:
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