Product Description
Square EPDM sponge | Rectangular EPDM sponge | Closed cell EPDM foam | EPDM sealing strip | Waterproof EPDM sponge
Technical Specifications & Engineering Properties of Square and Rectangular Shaped EPDM Sponge
RUBBER-KU RUBBER PRODUCTS – Advanced Technical EPDM Sponge Solutions
RUBBER-KU RUBBER PRODUCTS manufactures premium industrial-grade Square and Rectangular Shaped EPDM Sponge engineered to deliver exceptional sealing efficiency, weather resistance, thermal insulation, compression recovery, and long-term durability for demanding industrial applications.
Recognized as:
- The Best Moulded EPDM Sponge supplier in Malaysia
- The Largest Moulded EPDM Sponge Manufacturer Malaysia
- The Highest Quality Moulded EPDM Sponge manufacturer
- Market Leader of Moulded EPDM Sponge
- The Biggest Moulded EPDM Sponge in Malaysia
- The Widest Range of Moulded EPDM Sponge supplier
we specialize in precision-manufactured EPDM sponge profiles designed according to strict industrial engineering standards.
Technical Overview of EPDM Sponge
Material Composition
EPDM Sponge is manufactured using:
- Ethylene
- Propylene
- Diene monomer
- Reinforcing fillers
- Foaming agents
- Vulcanizing agents
- Anti-aging stabilizers
- Processing oils
This engineered compound creates a highly durable elastomeric foam with superior:
- Environmental resistance
- Compression performance
- Flexibility
- Weather durability
- Sealing efficiency
Technical Structure of EPDM Sponge
Closed-Cell Foam Technology
Most industrial EPDM sponge products are produced in closed-cell foam structure.
Closed-Cell Characteristics
- Independent sealed air pockets
- Minimal water absorption
- High sealing efficiency
- Excellent thermal insulation
- Strong compression recovery
Engineering Advantages
- Airtight sealing capability
- Waterproof performance
- Improved energy efficiency
- Enhanced mechanical stability
Open-Cell Foam Technology
Certain EPDM sponge products are produced in open-cell structure for:
- Acoustic insulation
- Noise absorption
- Soft cushioning
- Air permeability
Detailed Technical Properties
| Technical Property | Typical Performance |
|---|---|
| Base Polymer | EPDM Rubber |
| Material Structure | Closed Cell / Open Cell |
| Product Shape | Square / Rectangular |
| Color | Black |
| Density Range | 80 – 250 kg/m³ |
| Hardness | Soft to Medium |
| Compression Set Resistance | Excellent |
| Elongation | High |
| Tensile Strength | Moderate to High |
| Thermal Conductivity | Low |
| Water Absorption | Very Low |
| UV Resistance | Excellent |
| Ozone Resistance | Excellent |
| Weather Resistance | Excellent |
| Aging Resistance | Excellent |
| Flexibility | High |
| Resilience | Excellent |
| Vibration Absorption | Excellent |
| Sound Dampening | Good |
| Surface Finish | Smooth |
| Operating Temperature | -40°C to +120°C |
Technical Performance Features
1. Compression Set Resistance
What is Compression Set?
Compression set measures the ability of EPDM sponge to recover after prolonged compression.
Technical Advantages
- Maintains sealing pressure
- Prevents permanent deformation
- Ensures long gasket life
- Improves sealing consistency
Industrial Importance
Low compression set is critical for:
- Door seals
- Window gaskets
- HVAC systems
- Machinery sealing
- Automotive weather stripping
2. Tensile Strength
EPDM sponge offers excellent tensile performance for flexible foam materials.
Benefits
- Resists tearing
- Prevents material splitting
- Improves durability
- Enhances installation reliability
Applications Requiring Tensile Strength
- Dynamic sealing systems
- Moving assemblies
- Automotive components
- Industrial machinery
3. Elongation Properties
EPDM sponge has excellent elongation characteristics allowing it to stretch without failure.
Engineering Benefits
- Accommodates movement
- Adapts to irregular surfaces
- Prevents cracking under stress
- Enhances sealing efficiency
4. Low Water Absorption
Closed-cell EPDM sponge absorbs extremely low levels of moisture.
Technical Advantages
- Prevents swelling
- Maintains dimensional stability
- Preserves insulation properties
- Reduces microbial growth risk
Important for:
- Outdoor sealing
- Marine applications
- HVAC insulation
- Waterproof systems
5. Thermal Insulation Efficiency
EPDM sponge has low thermal conductivity due to its cellular foam structure.
Benefits
- Reduces heat transfer
- Improves energy efficiency
- Prevents thermal loss
- Minimizes condensation
Thermal Applications
- Air conditioning systems
- Refrigeration insulation
- Building thermal barriers
- HVAC ducting
6. UV Stability
EPDM sponge demonstrates excellent resistance to ultraviolet radiation.
Technical Performance
- Resists surface degradation
- Prevents brittleness
- Maintains elasticity
- Extends service life
Unlike ordinary foam materials, EPDM maintains performance even after prolonged outdoor exposure.
7. Ozone Resistance
EPDM rubber possesses one of the highest ozone resistance levels among elastomers.
Benefits
- Prevents ozone cracking
- Enhances outdoor durability
- Improves environmental stability
8. Temperature Stability
EPDM sponge remains flexible across wide temperature ranges.
Standard Operating Temperature
Approximately:
-40°C to +120°C
Technical Benefits
- Maintains elasticity in cold environments
- Prevents hardening under heat
- Supports thermal cycling applications
9. Aging Resistance
EPDM sponge exhibits excellent long-term aging stability.
Performance Characteristics
- Resists oxidation
- Maintains flexibility
- Retains compression properties
- Minimizes deterioration
10. Dynamic Flexibility
EPDM sponge can withstand repeated movement and vibration.
Engineering Advantages
- Suitable for moving assemblies
- Handles expansion and contraction
- Reduces mechanical stress
Density Specifications
Different density levels are available depending on application requirements.
| Density Type | Characteristics |
|---|---|
| Low Density | Softer compression, lightweight |
| Medium Density | Balanced sealing & durability |
| High Density | Stronger support & compression resistance |
Hardness Characteristics
EPDM sponge hardness is engineered according to:
- Compression requirements
- Sealing pressure
- Cushioning performance
- Flexibility needs
Typical hardness ranges:
- Soft
- Medium soft
- Medium firm
Surface Engineering
Our EPDM sponge products feature:
- Smooth extrusion finish
- Uniform foam cells
- Consistent dimensions
- Precision profile edges
This ensures:
- Better sealing contact
- Easier installation
- Improved appearance
- Dimensional consistency
Adhesive Backing Technology
Optional adhesive backing is available for easier installation.
Adhesive Features
- Pressure-sensitive adhesive
- Strong bonding performance
- Easy peel-and-stick application
- Reliable surface attachment
Dimensional Manufacturing Capability
RUBBER-KU RUBBER PRODUCTS offers:
- Custom widths
- Custom thicknesses
- Custom lengths
- Precision tolerances
- OEM specifications
Engineering Advantages of Square & Rectangular Profiles
Square Profile Benefits
- Uniform sealing pressure
- Better gap filling
- Stable compression
Rectangular Profile Benefits
- Larger contact surface
- Improved sealing coverage
- Enhanced insulation performance
Chemical Resistance Properties
EPDM sponge offers good resistance against:
- Water
- Steam
- Mild acids
- Mild alkalis
- Oxidation
- Weather exposure
Electrical Insulation Properties
EPDM sponge provides good non-conductive insulation characteristics suitable for:
- Electrical enclosures
- Electronic systems
- Cable protection
Acoustic Performance
The foam structure absorbs sound waves and reduces vibration transmission.
Acoustic Benefits
- Noise reduction
- Sound dampening
- Improved acoustic comfort
Vibration Dampening Performance
EPDM sponge absorbs:
- Mechanical shock
- Structural vibration
- Impact force
This helps:
- Protect equipment
- Extend machinery lifespan
- Reduce operational noise
Technical Industrial Applications
Construction Engineering
- Expansion joints
- Curtain wall systems
- Door & window sealing
- Roofing insulation
Automotive Engineering
- Weather stripping
- Cabin insulation
- Anti-vibration systems
HVAC Engineering
- Duct insulation
- Thermal sealing
- Air leakage prevention
Industrial Machinery
- Equipment gasketing
- Panel sealing
- Vibration isolation
Marine Engineering
- Waterproof sealing
- UV-resistant insulation
Manufacturing Technology
RUBBER-KU RUBBER PRODUCTS uses advanced:
- Rubber compounding systems
- Precision extrusion technology
- Controlled foaming processes
- Vulcanization systems
- Automated cutting equipment
This ensures:
- Accurate dimensions
- Uniform density
- Consistent quality
- Reliable industrial performance
Quality Control Testing
Our EPDM sponge products undergo:
- Density testing
- Compression testing
- Dimensional inspection
- Tensile evaluation
- Weather resistance testing
- Adhesion testing
- Flexibility analysis
Why Choose RUBBER-KU RUBBER PRODUCTS?
Advanced Technical Expertise
Specialized EPDM sponge manufacturing knowledge.
Industrial Quality Standards
Consistent high-performance production.
OEM Manufacturing Support
Custom industrial fabrication capability.
Precision Engineering
Accurate profile dimensions and foam consistency.
Large Production Capacity
Bulk supply for industrial projects.
Reliable Product Performance
Long-term durability under demanding environments.
Contact Details
Square EPDM sponge | Rectangular EPDM sponge | Closed cell EPDM foam | EPDM sealing strip | Waterproof EPDM sponge
| Supplier | : | RUBBER-KU RUBBER PRODUCTS |
| : | rubberku@gmail.com | |
| Phone | : | +603 5191 7961 |
| Fax | : | +603 5191 5961 |
| Location | : | Selangor, Malaysia |
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