Model NO.: SP-12 Application: Machinery, Industrial Component, Household Appliance Cross-Section Shape: Mountain Type Circle Color: Any Pantone Color Is Available Usage: Wine Bottle, Beverage Bottle, Flask, etc Durometer: 5-90 Shore a Materials Certification: FDA, LFGB, SGS, RoHS Features: Easy to Clean, Good Sealing, Leakproof. etc Transport Package: Poly Bags, Carton Boxes Origin: Xiamen, China Material: Silicone Rubber Effect: Hole with Seal Sizes: Customized Working Temperature: -40c~230c Design Type: Can Be Customized Forming: Compression Molding or Lim Special Property: Oil Resistance Trademark: Better Specification: CE, ROHS, FDA HS Code: 3923500000 Molded Medicine Glass Bottle Butyl Rubber Stoppers
Butyl
Rubber Stopper, also called Butyl Silicone
Rubber Plug, Butyl Rubber bung, which is widely used in vessel & container, hole plug products for sealing cap & cover or grommet plug.

Medical grade Butyl Rubber Stoppers, also called
Silicone Stoppers, rubber bungs, which is mostly made of FDA & LFGB standard silicone rubber materials or liquid silicon materials. Beverage & Drink & Wine glass bottle cap plug, pharmaceutical, chemistry Butyl Rubber stoppers mainly choose food grade or medical grade Butyl Rubber Stoppers & plugs. Some of solid silicone or liquid silicone plug Stopper also need biocompatibility materials, this kinds of stoppers made by
Liquid Silicone Injection Molding or Compression molding.

In our daily life, Butyl Rubber stoppers and plugs are known as silicon rubber bottle & wine & beer & glass plug, plastic or rubber hole plugs, expandable pipe or tube rubber plugs, flask stopper, rubber bathtub & drained water stopper, rubber pipe plugs, drain stoppers, desk grommet, rubber freeze plugs, plastic plugs & Butyl rubber holes Stoppers end cap etc.
Butyl Rubber Stoppers and Plugs Properties:
Property | Silicone Material | Other Material |
Toxicity/Odor | No | Most Have |
Transparency | High | High |
Physical Inert/Chemical Stability | Excellent | Good |
Eco-friendly/Degradable | Yes | No |
Non-fade/Non-yellowing | Yes | No |
Anti-aging/Long Service Life | Yes | Yes |
Softness/Flexibility | Excellent | Poor |
Abrasion Resistance | Good | Good |
Insulativity | Excellent | Excellent |
Fade-proof | Good | Good |
Skid Resistance | Good | Poor |
Elasticity/Shake-proof | Excellent | Poor |
Easy to Demold/Clean | Good | Good |
Flammability | 230ºC | 100ºC-150ºC |
Cold-resistant/Anti-fragility | -40ºC; No Embrittlement | -40ºC; Embrittlement |
High Temperature Resistance | Non-flammable; No Hazardous Substance | Flammable; Hazardous Substance |

Our Company Advantages:
1. Competitive Price: Origin Manufacturer.
2. Making Precision Mold Tools since 1998
3. Five experienced technical and design persons.
4. Production and Test strictly according to ISO9001.
5. Full Test Equipment: projector, sclerometer etc.
6. Production Environment: Clean Room.
7. 2 Assembly Lines in dust-free plant
8. 5 production plants: Mold-Making Plant, Silicone/Rubber Compress Plant, Plastic Injection Plants, LSR Injection Plant, Assembly Plants, where different Butyl Rubber Stoppers and Plugs can be produced.
Custom Butyl Rubber Stoppers and Plugs Demands:
1. Offer 2/3 D design Drawings
2. Design and Size Demands
3. Hardness Demands
4. Hardness Tolerance Demands
5. Materials Demands
Contact us if you need more details on Bottle Stoppers. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Rubber Stopper、Butyl Rubber Stopper. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Food Grade Silicone > Silicone Stoppers