Shop natural pure gum rubber stoppers in bulk or by the piece: solid tapered stoppers, sizes 00 to 13, made from the sap of rubber trees. An eco-friendly alternative to petroleum-based rubber.
- Natural pure gum rubber, 55 durometer
- Suitable for temperatures up to 160°F (70°C)
- Solid only
- Not food grade
Sizing tip: choose the stopper with the biggest bottom diameter that is smaller than your opening.
More info All Rubber Stoppers EPDM Natural Gum Silicone Neoprene
Shop Natural Rubber Stoppers below
Any quantity · Better prices in bulk


Bottom Diameter: 3/8" | .393" | 10mm
Length: 1" | 1.023" | 26mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1/2" | .511" | 13mm
Length: 1" | 1.023" | 26mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1/2" | .511" | 13mm
Length: 1" | 1.023" | 26mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 5/8" | .629" | 16mm
Length: 1" | 1.023" | 26mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 11/16" | .708" | 18mm
Length: 1" | 1.023" | 26mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 3/4" | .787" | 20mm
Length: 1" | 1.023" | 26mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 7/8" | 0.906" | 23mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1" | 1.024" | 26mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1-1/8" | 1.181" | 30mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1-5/16" | 1.299" | 33mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1-1/2" | 1.457" | 37mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1-5/8" | 1.654" | 42mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 1-15/16" | 1.890" | 48mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 2-1/8" | 2.126" | 54mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)


Bottom Diameter: 2-1/4" | 2.283" | 58mm
Length: 1" | 0.987" | 25mm
Durometer: 55
Material: Pure Gum
Grade: Industrial/Lab (not food)

