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Pharmaceutical rubber stoppers: BIIR 2332

Low Metal Impurity Pharmaceutical Compatibility

Pharmaceutical Rubber Stoppers

First in China to use direct polymer dissolution technology, eliminating 100% water usage. Metal ion content (Na, Ca, Mg, Al) is 20ppm lower than competitors, ensuring superior cleanliness.

Low metal impurity content for improved cleanliness

Self-sealing properties

Packaging integrity

Core Advantages

Superior Cleanliness
Self-Sealing Properties
Packaging Integrity
High Pharmaceutical Compatibility
High Manufacturing Efficiency
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Technical Details

01
ADVANTAGE

Technical Details

Features • Specifications • Applications • Certificates • Success Stories.

02
ADVANTAGE

Superior Cleanliness & Environmental Protection

First in China to adopt direct polymer dissolution technology, eliminating 100% water usage; metal ion content (Na, Ca, Mg, Al) is 20ppm lower than competitors, ensuring high cleanliness and meeting pharmaceutical-grade requirements.

03
ADVANTAGE

Self-Sealing Performance

Excellent self-sealing properties, tightly fitting pharmaceutical containers, effectively preventing leakage of liquid medicine and protecting the quality of pharmaceuticals.

04
ADVANTAGE

Packaging Integrity

Strict control over product quality, ensuring the integrity of rubber stoppers, avoiding packaging damage and external contamination.

05
ADVANTAGE

High Pharmaceutical Compatibility

Continuous research and optimization of additives, enhancing compatibility with various pharmaceutical formulations, ensuring no chemical reaction with pharmaceuticals.

06
ADVANTAGE

High Manufacturing Efficiency

Supports custom production of high-bromine content, effectively improving the efficiency of rubber stopper manufacturing, reducing production costs.

Product Grade
BIIR2828, BIIR2249, BIIR2332, CIIR1338
Mooney Viscosity ML(1+8)125℃
BIIR2828: 32.0±4.0 | BIIR2249: 46.0±4.0 | BIIR2332: 32.0±4.0 | CIIR1338: 38.0±4.0
Volatile Matter (wt%)
≤ 0.50 (All grades)
Application Industry
BIIR2828/CIIR1338: Tire inner liner | BIIR2249: Shoe materials | BIIR2332: Medical rubber stopper
Chambroad Zhongju

A Chambroad Group company, specializes in high-performance butyl and halogenated butyl rubber. Its products are widely used in tire, automotive, food, medical, and photovoltaic sealing applications, serving global customers with reliable, quality-assured solutions.

Zhongju
R&D Strength
Global Layout

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