Waterproof Anti High temperature White Solide Rubber Hole Sealing Plug Bung Tapered Silicone Rubber Cone Plug Stopper for Test tube This is made of high quality rubber material. Not easy to deformation and crack, smooth surface, compact texture, slightly elastic, strong and reliable seal, complete number. Chemical instruments without abrasives can generally be sealed with rubber plugs. Rubber plugs come in different sizes. The gigger the number , the bigger the volume.The rubber plug can be drilled with a plungerand inserted into a glass tube to form a connecting device that can export gas from the sealed container.

Product Description Silicone Rubber Stopper for Steel Plate Hole T type Male Seal Plug Round Seal Gasket Auto Masking Parts 32 34 36 38 40MM Silicone rubber stoppers with knob Available Size: from 2.5mm to 50.6mm Color:black and white color (we can make customized color if quantity reach 1000pcs) Material:100% FDA silicone rubber Package included: 1lot/ 5pcs silicone rubber stopper with knob Function: Seal Gasket for Hole,Pipe,Tube,steel Plate Hole,Auto Masking,Moto Masking,Powder Coating,Painted ...

Product Description Silicone Rubber Stopper for Steel Plate Hole T type Male Seal Plug Round Seal Gasket Auto Masking Parts 32 34 36 38 40MM Silicone rubber stoppers with knob Available Size: from 2.5mm to 50.6mm Color:black and white color (we can make customized color if quantity reach 1000pcs) Material:100% FDA silicone rubber Package included: 1lot/ 5pcs silicone rubber stopper with knob Function: Seal Gasket for Hole,Pipe,Tube,steel Plate Hole,Auto Masking,Moto Masking,Powder Coating,Painted ...