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DONGGUAN VERRO INDUSTRIAL CO.,LTD
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Gold Index: 21345
Material ofthe tread | Tread&tyres hardness | Operating noise |
Pneumatic tyres,soft rubber | bad | perfect |
Elastic solid rubber,super-elastic solid ruber | good | excellent |
Solid rubber,TPR/TPE,silicane rubber | nice | nice |
TPU | exellent | good |
Steel,cast iron,nylon,PP,phenolic resin | perfect | bad |
REMARK: classified five grades:perfect,excellent,nice,good,bad |