20mm butyl rubber

butyl rubber stopper

Detailed dimensions for 20mm rubber stopper as below:

1) rubber stopper for infusion bottles

2) rubber stopper for freeze drying or lyophilization process, 20-D2, 20-D3, 20-D4

3) rubber stopper used with 20mm aluminum-plastic cap

Quality Control

butyl rubber stopper

1. overall quality control before,during and after production

2. professional inspection before delivery

3. advanced inspection instrument

1) quality flow chart

2) COA

Manufacturing

butyl rubber stopper

1.The workshop and purifying engineering designed and constructed according to “pharmaceutical industry workshop design specification "

2.Clean production on the basis of industry characteristic and GMP requirements

• vulcanization workshop (300,000 purification level)
• trimming process(100,000 level)
• cleaning(100,000 level)
• packaging (Overall 10000level local 100 level )

1) clean workshop

2) vulcanization process

3) trimming process

Packaging&Shipping

butyl rubber stopper

1. packed in clean room (overall 10000level local 100 level )

2. packed after being washed, sterilized and dried at 121 degree C

3. first packed by RFS or PE bag then cartons,5000pcs per bag, 10000pcs per carton

1) washing, sterilization, drying process

2) packaging process

Our Service

butyl rubber stopper 

We provide best service regarding technical issues, product solutions, quality problems to every single customer, if any question, we are always available.

20mm butyl rubber stopper with aluminum-plastic cap for glass vials

Company information

rubber stopper

Kunshan Alviss International Trade Co.,Ltd is located in Kunshan, China, specializing in solutions to packaging industry like butyl rubber stopper, glass vial, plastic vial, aluminum cap, flip off cap,etc with a wider range of products, more competitive price, good quality and better service.