... for more than 12 years experience 4 layers PVC twin welding hose Descriptioin: 1. 3 layer: PVC resin 2. middle layer: special ... reinforced polyester mesh/ yarn. 3. Size: 6.5mm, 7.5mm, 8.5mm, 10mm, 12.5mm /13mm 4. Length: 10m, 30m, 50m ... , OVENS.Characteristics: Abrasion resistant, weather resistant and zone resistant. Its of pressure bearable, flexible, light in weight, anti-bending, less distortion ...