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(1) material: reinforced nylon, has the high pressure and tensile load, good toughness and high elasticity and abrasion resistance, flame retardant, high and low temperature performance is stable, can be used in outdoor, nylon content is what determines the use of drag chain strength and wear resistance as well as the run up to the size of the noise. Nylon content ranging from 5% to 17%, but more than 19%. Is generally around 30% of the content.(2) the resistance tolerance: resistance to oil, salt, and have certain ability to acid and alkali resistance.(3) the speed and acceleration (depending on the operation of the specific speed, and acceleration).(4) running life.(5) the structure not only can send back on the mechanical effect, and want to see the appearance
