Silica gel ring Product parameters:ShapeSilica gel ringModelComplete specificationsApplicable scopeElectrical, decoration, plumbing, machinery, toys and other electronicStandard ... hole, sealing, waterproof, otherSpecificationsComplete specificationsA name: Silica gel ring Two, material: Silicone rubber - > performance introduction: (Rubber Silicone) silica () is a combination of silicon (-si-o ...