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Explore our advanced material solutions and high-value-added chemical products designed for global industries.

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.

Food-grade butyl rubber

Rubber

Tianfeng®
Features Ultra clean
Type Foodgrade

Bromobutyl Rubber BIIR2249

Rubber

Zhongju
Features Proper viscosity
Type Footwear

Bio-based Itaconate Rubber

Rubber

Zhongju
Features High bio-based content
Type bio-based-elastomer

General-purpose butyl rubber IIR1953

Rubber

Zhongju
Features iir-general-purpose
Type Balanced basic performance

Chlorinated Butyl Rubber CIIR1338

Rubber

Zhongju
Features ciir-industrial-sealing
Type Excellent chemical resistance

Bromobutyl Rubber BIIR2332

Rubber

Zhongju
Features Rubber
Type High cleanliness

Bromobutyl Rubber BIIR2828

Rubber

Zhongju
Features Stable property
Type Rubber

Pharmaceutical rubber stoppers: BIIR 2332

Rubber

Zhongju
Features Low Metal Impurity
Type Pharmaceutical Compatibility