Adhesive Sponge Rubber Neoprene Tape

  • Material: Closed cell neoprene sponge rubber
  • Adhesive: Single-side acrylic PSA
  • Color: Black as standard
  • Thickness: 1.5-25 mm typical range
  • Width: Slit rolls from 6 mm and above
  • Liner: Paper or film release liner

Double Stick Tape Company is a manufacturer of Adhesive Sponge Rubber Neoprene Tape for door gaps, metal joints, enclosure covers, and equipment panel sealing. This closed cell sponge rubber tape uses single-side acrylic PSA with a removable release liner, helping the strip stay in place during assembly. Once compressed between two surfaces, the neoprene sponge helps reduce dust, splashing water, air leakage, and light oil exposure when the joint design and closing pressure are properly tested.

Product Video

Product Packaging

Product Overview

Adhesive Sponge Rubber Neoprene Tape is made for compression sealing, not for double-sided mounting or light household weatherstrip use. In real assemblies, the strip is usually placed on a flange, cabinet edge, metal overlap, or access panel. When the cover or door closes, the sponge rubber compresses and follows small surface changes such as flange unevenness, screw-point distortion, light panel waviness, and minor gaps.

Thickness selection should be based on the assembled gap, not only the drawing size. For example, a 3 mm gap may need a 4-5 mm strip if the cover has enough closing force to compress the rubber evenly. A practical starting point for many cabinet and equipment seals is about 15%-30% compression. If compression is too low, leakage paths may remain. If the strip is crushed for too long, recovery can gradually decrease.

The acrylic PSA works mainly as an installation aid. It holds the strip on clean metal, coated steel, ABS, PC, or painted panels while the exposed sponge side creates the seal after closing. Before batch installation, sample checks should include peel adhesion, release liner removal, edge lifting after 24-72 hours, and recovery after repeated door or cover cycles.

 

Benefits

  • Forms a compressed sealing line for doors, cabinet covers, machine panels, and metal joints.
  • Closed cell neoprene sponge helps reduce water and dust entry better than open cell foam.
  • Medium density reference range of 140-180 kg/m3 gives a balanced feel between softness and support.
  • Single-side acrylic PSA helps keep the strip aligned during manual or fixture-assisted assembly.
  • Typical peel adhesion to stainless steel can reach 8-12 N/25 mm after 24 hours dwell, depending on surface condition.
  • Compression recovery supports repeated opening and closing without rapid collapse.
  • Oil, weather, and ozone resistance support outdoor housings, cabinets, and light industrial exposure.
  • Thickness tolerance of about +/-0.3 mm to +/-0.8 mm and width tolerance of about +/-0.5 mm to +/-1.5 mm help maintain repeatable installation.

When should compression deflection be checked before selection?

Compression deflection should be checked when the strip will seal under a door edge, enclosure cover, metal joint, or equipment access panel. Density gives a general idea of the material, but it does not fully show how the sponge rubber reacts under closing pressure. As a reference, medium closed cell sponge rubber may show 25% compression deflection around 35-70 kPa. A softer grade helps seal small uneven gaps with lower force, while a firmer grade is better for wider gaps or heavier covers that need more support.

Product Production

TDS

Item

Typical Value

Product Type

Single-side adhesive closed cell sponge rubber neoprene tape

Base Material

Neoprene based closed cell sponge rubber

Adhesive Type

Acrylic pressure sensitive adhesive

Liner

White or yellow release paper, film liner optional

Standard Color

Black

Typical Thickness

1.5 mm, 2 mm, 3 mm, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm

Typical Width

6-1000 mm slit roll, converted width by requirement

Density

140-180 kg/m3 reference range

25% Compression Deflection

35-70 kPa reference range

Compression Set

<=10% reference value after standard compression test

Compression Recovery

Good recovery after repeated door and enclosure closing cycles

Peel Adhesion to Stainless Steel

8-12 N/25 mm after 24 hours dwell, reference value

Water Absorption

<=5% reference value, closed cell structure dependent

Service Temperature

-30 C to 90 C typical working range

Short-Term Temperature Exposure

Up to 105 C, application test required

Thickness Tolerance

+/-0.3 mm to +/-0.8 mm depending on thickness

Width Tolerance

+/-0.5 mm to +/-1.5 mm depending on slit width

Resistance

Oil, weather, ozone, moisture, and dust resistance

Converting Options

Slitting, die cutting, kiss cutting, roll laminating

Loading Container

Applications

  • Electrical enclosure door seals and cabinet cover gaskets.
  • Metal sheet joints, overlap seams, and panel gap sealing.
  • HVAC covers, duct access doors, and service openings.
  • Industrial machine guards and removable inspection panels.
  • Lighting fixtures, battery boxes, and control cabinets.
  • Marine hatch covers and outdoor equipment housings.
  • Automotive panel sealing where vibration and dust control are required.
  • Pre-cut neoprene gasket tape strips for factory assembly lines.

How does single-side acrylic PSA support installation without changing the sealing function?

Single-side acrylic PSA helps this self adhesive neoprene sponge tape stay in position before compression. The adhesive side bonds to the flange, plastic housing, coated panel, or painted metal surface, while the exposed sponge rubber side seals after the cover is closed. For stable bonding, the surface should be clean, dry, and free from oil, powder coating residue, silicone, or release agent. The release liner should remove cleanly without stretching the sponge strip. Edge lifting should be checked after 24-72 hours, especially on textured paint or low-surface-energy plastic.

FAQ

Q1: Is this tape used as a mounting tape?

No. It is mainly used for compression sealing and gasket positioning, not structural mounting or heavy load bonding.

Q2: What compression percentage is recommended?

A practical starting range is 15%-30%, depending on gap size, closing force, and surface flatness.

Q3: Can it fully block water and dust?

It can reduce water and dust entry when properly compressed, but final sealing performance should be tested on the actual assembly.

Q4: Can the tape be supplied in different widths and die-cut shapes?

Yes. It can be slit into rolls, kiss-cut on liner, or die-cut into gasket shapes for factory assembly.