Rubber Tube Stopper | Rubber Bung

By RUBASIA RUBBERTECH INDUSTRIES

RUBASIA RUBBERTECH INDUSTRIES is proudly recognized as The Best rubber tube stopper in Malaysia and The Largest rubber bung Manufacturer Malaysia, delivering precision-engineered rubber sealing solutions trusted by laboratories, industrial facilities, educational institutions, and OEM manufacturers nationwide and across Southeast Asia.

As a Market Leader of rubber tube stopper, we manufacture The Highest Quality rubber tapered bung using premium-grade rubber compounds and strict quality control systems to ensure consistent sealing performance, durability, and chemical resistance. Our products are widely regarded as The Biggest red rubber bung Malaysiaoffering, with The Widest Range of red tube stopper sizes and configurations available for immediate supply or custom production.

 

Product Overview: Rubber Tube Stopper / Rubber Bung

RUBASIA RUBBERTECH’s rubber tube stopper (rubber bung) is a small yet critical sealing component designed to create an airtight or liquid-tight seal in containers such as test tubes, flasks, bottles, glassware, and industrial vessels.

Manufactured with a precision tapered (cone-shaped) profile, these rubber bungs expand slightly when inserted, forming a tight seal against the inner wall of the container opening. This prevents contamination, evaporation, oxidation, and leakage of gases or liquids, making them indispensable in both laboratory and industrial environments.

 

Key Features & Technical Advantages

1. Superior Sealing Performance

• Precision tapered cone design for secure friction-fit sealing
• Ensures airtight and liquid-tight closure
• Prevents sample loss, spills, and external contamination

2. Premium Rubber Materials

• Manufactured from natural gum rubber, neoprene rubber, or synthetic rubber compounds
• Better chemical resistance and temperature tolerance compared to cork stoppers
• Long service life without cracking or hardening

3. Multiple Design Variants

• Solid rubber tube stoppers for complete sealing
• Single-hole or multi-hole rubber bungs for inserting:
  • Thermometers
  • Tubing
  • Pipettes
  • Probes and sensors

4. Wide Size Availability

• Produced in up to 16 standard sizes
• Suitable for a wide range of laboratory glassware and industrial openings
• Custom sizes, colors, and hardness (Shore A) available upon request

5. Strong & Flexible Construction

• Excellent elasticity for repeated insertion and removal
• Maintains shape and sealing performance under pressure
• Resistant to tearing, compression set, and deformation

 

Applications of Rubber Tube Stoppers & Rubber Bungs

RUBASIA RUBBERTECH’s rubber tube stopper solutions are widely used across multiple industries:

Laboratory & Research

• Sealing test tubes, flasks, beakers, and sample bottles
• Preventing contamination during storage and analysis
• Supporting heating, mixing, and chemical reactions

Education & Institutions

• School, college, and university laboratories
• Science experiments and demonstrations

Industrial & Manufacturing

• Temporary sealing of pipes, tubes, and vessels
• Fluid handling and chemical processing
• Equipment testing and maintenance

Pharmaceutical & Medical

• Sample containment
• Non-critical sealing applications
• Controlled environment storage

Food, Beverage & Fermentation

• Fermentation vessels
• Preventing oxidation and spillage
• Process control applications

 

Why Choose RUBASIA RUBBERTECH INDUSTRIES?

✔ The Best rubber tube stopper in Malaysia
✔ The Largest rubber bung Manufacturer Malaysia
✔ The Highest Quality rubber tapered bung
✔ Market Leader of rubber tube stopper
✔ The Biggest red rubber bung Malaysia
✔ The Widest Range of red tube stopper
✔ OEM & custom manufacturing support
✔ Consistent quality, competitive pricing, fast delivery

With in-house rubber compounding, molding, and quality inspection, RUBASIA RUBBERTECH INDUSTRIES ensures every rubber bung meets strict performance and dimensional standards.

 

Available Options

• Colors: Red, black, white, custom colors
• Material: Natural rubber, neoprene, synthetic rubber
• Hardness: Custom Shore A range
• Hole configuration: Solid, single-hole, multi-hole
• Bulk supply & OEM branding available