20mm Butyl Rubber Stopper for Pharmaceutical Injection Vial

Basic Info.

Shape	Round Type
Standard	ISO/Ybb/GMP Standard
Characteristics	Odorless, Low Air Permeability
Transport Package	PE Sterilie Bag +Export Carton Box
Specification	13mm/20mm/28mm/32mm
Trademark	WQS
Origin	Danyang China
HS Code	4016990000
Production Capacity	90000000000 /Year

Product Description

Products Introduction
Butyl rubber stopper is a high-quality sealing material widely used in the medical, chemical, and other industries due to its excellent airtightness, chemical resistance, and aging resistance. Made primarily from butyl rubber and processed through a special manufacturing process, it possesses superior elasticity and sealing performance.
In the medical industry, butyl rubber stoppers are commonly used in pharmaceutical packaging, effectively isolating air and moisture to maintain the stability and effectiveness of drugs. Its excellent chemical resistance also makes it an outstanding choice in the chemical industry, resisting the erosion of various chemicals and ensuring the sealing performance of pipelines and containers.
Furthermore, butyl rubber stoppers have good processing properties, allowing them to be customized according to different needs and meeting the requirements of various industries and fields. With technological advancements and continuous improvements in manufacturing processes, the performance of butyl rubber stoppers will be further enhanced, providing more reliable sealing solutions for various industries.

Specifications and dimensions
Entering US
Transport Package
Why Choose US?I. ExperienceCHANGZHOU WQS PHARMACEUTICAL PACKAGING CO., LTD has been deeply engaged in the tubular glass bottle industry for over 20 years. We have established long-term and stable cooperative relationships with over 100 glass bottle end-users worldwide, who are widely spread across various fields such as medicine, laboratories, cosmetics, and more. Our corporate purpose has always been to provide the most cost-effective high-quality products and professional after-sales service.
II. TechnicalityWe understand the importance of meeting customer requirements with high-quality solutions. We can provide types of glass vials which meet the requirements of ISO12775-1992,UPS/PH,EP/PH,JP/PH standards.III. Competitive Price On the premise of ensuring high-quality products, we will cooperate with you at extremely competitive prices.
IV. ServiceWe will provide professional after-sales service.

Specification	Main Size(mm)
	Top Diameter	Top Thickness	Plug Diameter	Total height
12-D4	12.6±0.2	2.5±0.2	9.3±0.2	10.5±0.3
13-A1	12.5±0.2	2.0±0.25	7.5±0.1	6.7±0.3
13-A2	12.5±0.2	2.0±0.25	7.5±0.1	7.0±0.3
13-D1	12.5±0.2	2.2±0.25	7.5±0.2	12.2±0.3
13-D2	12.5±0.2	2.1±0.25	7.6±0.2	10.1±0.3
13-D2+	12.5±0.2	2.2±0.25	7.7±0.2	11.1±0.3
15-D4	15.6±0.2	2.5±0.25	12.1±0.2	12.7±0.3
20-A	18.8±0.2	3.3±0.25	13.2±0.1	8.8±0.3
20-A1	18.8±0.2	3.3±0.2	12.9±0.2	8.5±0.3
20-A2	18.8±0.2	3.3±0.2	13.2±0.1	8.8±0.3
20-B2	19.5±0.2	3±0.25	13±0.1	8.7±0.3
20-B2+	19.5±0.2	3±0.25	13±0.1	8.7±0.3
24-A	23.6±0.3	3.9±0.3	13.8±0.2	10.0±0.4
26-B	25.5±0.3	3.8±0.3	15.2±0.2	11.0±0.4
26-B2	25.5±0.3	3.8±0.3	15.6±0.2	10.6±0.4
28-B	26.6±0.3	3.8±0.3	18.0±0.2	11.8±0.4
28-B1	26.6±0.3	3.8±0.3	20.5±0.2	10.8±0.4
32-A	30.8±0.3	4.0±0.3	23.6±0.2	12.2±0.4
32-A1	30.8±0.3	5.0±0.3	24.2±0.2	16.0±0.4
34-A	33.6±0.25	4.6±0.2	26.2±0.2	14.6±0.35