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 Round Internal Rubber Cap RUBASIA RUBBERTECH INDUSTRIES

The Best The Largest Manufacturer The Highest Quality Market Leader The Biggest The Widest Range of Rubber End Caps in Borneo

RUBASIA RUBBERTECH INDUSTRIES is The Largest Manufacturer and Market Leader in Round Internal Rubber Caps throughout Borneo, covering Sabah, Sarawak, and Brunei Darussalam.

We supply The Widest Range of high-quality Round Internal Rubber Caps engineered from premium-grade natural rubber, EPDM, or NBR materials. These internal-fit rubber caps are designed to be inserted inside the opening of a pipe, tube, or furniture leg — not over it — offering perfect sealing, impact protection, and finishing aesthetics.

Our size range includes: 19mm, 22mm, 25mm, 32mm, 38mm, and 51mm, suitable for both industrial and furniture-grade applications.

 Technical Specifications

 Product Function and Design Benefits

The Round Internal Rubber Cap is precisely molded with a tapered body and solid end wall to ensure tight insertion inside hollow tubes. It is designed to:

• Seal the internal cavity of tubes to prevent ingress of dust, dirt, moisture, and insects.
• Protect against corrosion, impact damage, and rust formation inside pipes.
• Improve aesthetics by covering unfinished or sharp metal ends.
• Reduce noise and vibration when installed on furniture legs or metal structures.
• Prevent floor scratches and surface damage on tiles, parquet, marble, or vinyl floors.
• Enhance safety by covering exposed sharp pipe edges that could cause injury.

Each cap features a slightly ribbed outer wall to ensure tight friction grip without the need for adhesives.

 Material Characteristics by Type

Natural Rubber (NR)

• Excellent elasticity and shock absorption
• Suitable for furniture and indoor applications
• Economical option with smooth surface finishing

EPDM Rubber

• Superior resistance to UV, ozone, and weathering
• Ideal for outdoor, marine, and construction environments
• Withstands temperature extremes from -30°C to +120°C

Nitrile Rubber (NBR)

• Excellent resistance to oils, greases, and fuels
• Perfect for industrial, automotive, and machinery applications
• Maintains flexibility even under pressure or chemical exposure

 Applications by Industry

1. Furniture Manufacturing

• Chair legs, table legs, cabinets, and shelves
• Protects flooring and reduces movement noise
• Used widely in hotels, schools, offices, and restaurants

2. Industrial and Mechanical Engineering

• Tube and pipe sealing for machinery frames and racks
• Prevents debris, metal dust, and oil contamination
• Used in workshops, factories, and mechanical assembly lines

3. Construction & Structural Framework

• Steel tubing in railings, scaffolds, and supports
• Prevents rust and water ingress during outdoor use

4. Automotive and Transport

• Rubber caps for vehicle body frames and equipment mounts
• Used in trucks, trailers, and buses for sealing exposed metal tubes

5. Marine & Offshore

• Corrosion-resistant sealing for stainless steel tubes and marine railings
• Used on boats, docks, and coastal installations

6. Healthcare & Laboratory

• Applied on stainless steel frames, trolleys, and hospital furniture
• Maintains hygiene and prevents fluid ingress

 Installation Guide – Step by Step

1. Prepare the Surface
   Clean the internal surface of the tube or pipe opening. Remove dirt, grease, or rust.
2. Measure the Internal Diameter
   Select a cap size that matches the internal diameter for a snug fit.
3. Align the Rubber Cap
   Position the cap at the opening and apply even pressure.
4. Insert Firmly
   Push straight into the tube until the edge sits flush. Do not twist excessively.
5. Tight Fit Option
   If the fit is tight, soak the cap in warm water (50–60°C) for 2–3 minutes to soften the rubber before inserting.
6. Final Inspection
   Check alignment and ensure a uniform, sealed look.

 Regional Supply and Coverage – Borneo Focus

RUBASIA RUBBERTECH INDUSTRIES supplies and distributes Round Internal Rubber Caps across every major and minor town in Sabah, Sarawak, and Brunei Darussalam.

Sabah Coverage:

Kota Kinabalu Sandakan Tawau Lahad Datu Keningau Tenom Ranau Kudat Papar Beaufort Tuaran Kota Belud Tambunan Sipitang Semporna Kunak Nabawan Kuala Penyu Beluran Tongod Telupid Penampang Putatan Bongawan Membakut Kota Marudu Tambunan

Sarawak Coverage:

Kuching Miri Sibu Bintulu Limbang Kapit Sri Aman Sarikei Betong Bau Mukah Marudi Lawas Serian Lundu Simunjan Belaga Kanowit Julau Song Daro Sebuyau Asajaya Pakan Samarahan

Brunei Coverage:

Bandar Seri Begawan Kuala Belait Seria Tutong Bangar Lumut Muara Jerudong

Our distribution network ensures fast delivery, bulk supply, and OEM customization for both local and international buyers.

 Why Choose RUBASIA RUBBERTECH INDUSTRIES

 The Largest Rubber Product Manufacturer in Borneo
 The Market Leader in Round Internal Rubber Cap Production
 The Highest Quality Rubber Material (NR EPDM NBR)
 The Widest Range of Sizes (19mm – 51mm)
 The Biggest Supply Network in Sabah, Sarawak, and Brunei
 The Best in Durability, Precision, and Safety
 In-House Moulding & Custom Fabrication Available
 Certified Quality Control with Strict Dimensional Tolerance

RUBASIA RUBBERTECH INDUSTRIES combines advanced rubber molding technology with years of expertise to deliver high-performance rubber components trusted across multiple industries in East Malaysia and Brunei.