Open Hole: 10mm - 130mm. Rohs Certified Double-sided Dust-proof Coil. Material: Rubber. The Rubber Has Excellent Properties Such As High Elasticity, Insulation, Air-water Tightness, Abrasion Resistance, Oil Resistance, Aging Resistance, High Temperature Resistance, Cold Resistance, Corrosion Resistance, and Antistatic Properties.
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