Smooth Surface Rubber Concrete Pump Sand Blast Hose ...
2021-11-8u2002·u2002Product Features Material: inner tube is made of SBR or NR; or SBR&NR blend; outer cover is made of SBR or NR; or SBR&NR blend Structure: 1.Common type: Interior lining +Strengthen lining +Exterior lining. 2.Strength type (three lining and two weaving fiber): Add middle rubber lining …
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