Natural Cotton Insertion Rubber Sheet

Reinforced 65 Duro NR/SBR rubber sheet designed for gasket, sealing, and isolation applications requiring improved dimensional stability.

Stable Sealing Performance

Reinforced with cotton fabric layers to reduce stretching and deformation compared to plain rubber.

Supply and Support

Supplied by SEC Business Group for industrial sealing, maintenance, and fabrication applications.

Description

Reinforced Rubber for Gaskets, Sealing & Dimensional Stability

Natural Cotton Insertion Rubber Sheet is a superior-grade NR/SBR rubber sheet reinforced with cotton fabric layers, providing improved dimensional stability and strength.

Designed for Stable Sealing Performance

With a hardness of 65 Duro, this material offers a reliable balance of flexibility and reinforcement, making it ideal for gasket, sealing, and isolation applications where maintaining shape under load is important.

Reliable Industrial Performance

Supplied by SEC Business Group, this material supports industrial, maintenance, and fabrication applications where reduced stretching, stable sealing, and long-term performance are required.

Features & Benefits

Premium 65 Duro NR/SBR rubber compound.
Reinforced with cotton fabric layers.
Available in 1 ply and 2 ply reinforcement options.
Improved dimensional stability under load.
Good resistance to abrasion and wear.
Strong cut and tear resistance.
Suitable for indoor and outdoor use.
Resistant to ozone, UV, and weathering.
Performs well with mild acids and alkalis.
Flexible yet stable for gasket and sealing applications.
Available in sheet, strip, or custom-cut formats.
Supplied by SEC Business Group.

Applications

Flange gaskets on pipes and tanks
Equipment and surface linings
Transfer and joining sleeves
Flexible expansion joints
Construction sealing applications
Curtains and skirts
Insulating strips
Isolation barriers
General sealing and protection applications

Performance Advantages

Maintains shape and alignment under load.
Reduces stretching and deformation compared to plain rubber.
Ideal for gasket applications requiring stability.
Provides reliable long-term sealing performance.

Technical Information

Property	Value	Standard
Polymer	NR/SBR
Reinforcement	Cotton
Colour	Black
Specific Gravity	1.35	ASTM D297
Hardness	65° ± 5° Shore A	ASTM D2240
Tensile Strength	7 MPa (min)	ASTM D412
Elongation @ Break	350% (min)	ASTM D412
Abrasion	300 mm³ (max) @ 10N	ASTM D5963
Temperature Range	-25°C to +70°C

Available Sizes

Description	Weight (Per L/M)
1.5mm × 1200mm × 1 Ply Cotton Reinforced (10 L/M Rolls)	2.4 kg
3mm × 1200mm × 1 Ply Cotton Reinforced (10 L/M Rolls)	4.9 kg
3mm × 1500mm × 1 Ply Cotton Reinforced (10 L/M Rolls)	6.1 kg
3mm × 1200mm × 2 Ply Cotton Reinforced (10 L/M Rolls)	4.3 kg
3mm × 1500mm × 2 Ply Cotton Reinforced (10 L/M Rolls)	5.4 kg
4.5mm × 1200mm × 2 Ply Cotton Reinforced (10 L/M Rolls)	6.5 kg
6mm × 1200mm × 2 Ply Cotton Reinforced (10 L/M Rolls)	9.7 kg
9mm × 1200mm × 2 Ply Cotton Reinforced (10 L/M Rolls)	14.6 kg

Custom Options

Cut lengths and strips
Gaskets and pads
Custom-cut profiles
Fabricated rubber components

Available in 1 ply or 2 ply reinforcement depending on required strength and stability.

Supply

This product is supplied by SEC Business Group.

For sizing, fabrication, or application advice, please contact SEC Business Group.