Product Description
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Rubber Tube Stopper | Rubber Bungs – Technical Specifications & Applications
RUBBER-KU RUBBER PRODUCTS is recognized as the Best Rubber Tube Stopper supplier in Malaysia and the Largest Rubber Tube Stopper Manufacturer Malaysia, delivering precision-engineered rubber stoppers designed for high-performance sealing in laboratory, chemical, and industrial environments.
As the Highest Quality Rubber Tube Stopper manufacturer and Market Leader of Rubber Tube Stopper, we focus on advanced technical performance, material reliability, and application versatility. This commitment has positioned us as the Biggest Rubber Tube Stopper supplier in Malaysia and the Widest Range of Rubber Tube Stopper supplier.
Technical Specifications – Engineered for Performance
1. Dimensional & Design Specifications
Available Sizes:
T13 | T15 | T17 | T19 | T21 | T23 | T25 | T27 | T29 | T31 | T33 | T35 | T37 | T39 | T51
Design Characteristics:
- Tapered geometry for progressive compression sealing
- Precision-moulded structure for consistent fit
- Smooth surface finish for reduced friction and contamination
- Optional straight-wall design for specific industrial use
Dimensional Accuracy:
- Tight manufacturing tolerance (±0.2mm to ±0.5mm depending on size)
- Uniform taper angle for secure insertion
- Consistent top and bottom diameter ratio
2. Material Technical Properties
RUBBER-KU rubber tube stoppers are available in multiple elastomer compounds:
Natural Rubber (NR)
- High elasticity and flexibility
- Excellent sealing performance
- Good tensile strength
Nitrile Rubber (NBR)
- Oil and fuel resistance
- Suitable for petrochemical environments
- Good abrasion resistance
EPDM Rubber
- Excellent resistance to heat, ozone, and weather
- Suitable for outdoor and chemical exposure
- Long service life
Silicone Rubber
- Temperature range: -60°C to +200°C
- Chemically inert and non-reactive
- Suitable for medical and high-purity applications
3. Mechanical & Physical Properties
- Hardness: 40 – 70 Shore A (customizable)
- Tensile Strength: High resistance to tearing and stress
- Elongation at Break: Excellent flexibility under compression
- Compression Set: منخفض (low deformation after prolonged use)
- Abrasion Resistance: Suitable for repeated insertion/removal cycles
4. Chemical Resistance Performance
Designed for compatibility with:
- Mild to moderate acids
- Alkalis and bases
- Alcohols and aqueous solutions
- Industrial chemicals (depending on material selection)
This ensures safe containment and long-term sealing performance in chemical environments.
5. Thermal & Environmental Resistance
- Stable performance under fluctuating temperatures
- Resistant to humidity and environmental degradation
- UV and ozone resistance (EPDM option)
6. Functional Technical Capabilities
Airtight Sealing Mechanism
The elastic compression creates a radial sealing force, ensuring:
- Leak-proof performance
- Pressure retention inside containers
Pressure & Vacuum Compatibility
- Suitable for low to moderate pressure systems
- Maintains integrity under vacuum conditions
Tubing Integration Capability
- Available with single or multiple holes
- Allows connection of glass or flexible tubing
- Supports fluid and gas transfer systems
Applications – Multi-Industry Usage in Malaysia
🔬 1. Laboratory & Scientific Applications
Rubber tube stoppers are essential components in laboratory environments:
- Sealing test tubes, flasks, and beakers
- Supporting chemical reactions and experiments
- Connecting laboratory apparatus via tubing
- Gas collection and transfer setups
- Sample storage and containment
Widely used in:
- Research laboratories
- Universities and educational institutions
- Pharmaceutical R&D facilities
🧪 2. Chemical & Process Industry
- Sealing chemical storage containers
- Preventing leakage of hazardous substances
- Reactor vessel closure systems
- Fluid handling and transfer processes
Ensures safe, leak-proof, and contamination-free operations.
🏭 3. Industrial Manufacturing Applications
- Equipment sealing components
- Pipe and tube closure systems
- Temporary or permanent sealing solutions
- OEM machinery integration
Used in industries such as:
- Automotive
- Electronics
- Food processing (non-direct contact)
- General manufacturing
🧴 4. Pharmaceutical & Medical Use
- Sample containment and storage
- Sterile sealing environments
- Laboratory-grade applications
- Medical research facilities
(Silicone rubber option available for high-purity requirements)
⚗️ 5. Gas & Fluid Handling Systems
- Air-tight sealing for gas containment
- Fluid transfer systems with tubing integration
- Pressure-controlled experimental setups
🛢️ 6. Oil & Chemical Handling Applications
(NBR material option)
- Oil-resistant sealing
- Fuel and lubricant containment
- Petrochemical processing support
Performance Benefits in Real Applications
- Prevents leakage of volatile substances
- Maintains chemical stability inside containers
- Reduces contamination risk
- Enhances operational safety
- Improves efficiency in laboratory and industrial processes
Why RUBBER-KU is Malaysia’s Trusted Technical Supplier
RUBBER-KU RUBBER PRODUCTS continues to lead by offering:
- The Best Rubber Tube Stopper supplier in Malaysia
- The Largest Rubber Tube Stopper Manufacturer Malaysia
- The Highest Quality Rubber Tube Stopper manufacturer
- Market Leader of Rubber Tube Stopper
- The Biggest Rubber Tube Stopper supplier in Malaysia
- The Widest Range of Rubber Tube Stopper supplier
Contact Details
rubber tube stopper malaysia | rubber stopper supplier malaysia | rubber bungs malaysia | rubber tube stopper supplier | lab rubber stopper malaysia
| Supplier | : | RUBBER-KU RUBBER PRODUCTS |
| : | rubberku@gmail.com | |
| Phone | : | +603 5191 7961 |
| Fax | : | +603 5191 5961 |
| Location | : | Selangor, Malaysia |
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