Gasket Tape / Strip Gasket Technical Data
What is gasket tape? - Stockwell pre-manufactures master logs (e.g. 36" wide x 20' long rolls) of adhesive backed open cell foams and closed cell sponges. These master logs are ready to be slit-to-width (to customer's defined width), most materials offered can be slit from 1/4" (6.4mm) up to 34" (863mm) wide. This pre-manufacturing process allows for quick turns to meet short deadlines. The length of the gasket tape / strip gasket depends on the specific product (see charts below). Each product listed below offers a unique solution to gasketing and sealing requirements.  View/Download Gasket Tape Overview Sheet |
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Request the Free Gasket Tape Touch Brochure - Request a free "touch" brochure with small samples of gasket tapes to touch and feel. The touch samples included are:
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| Strip-N-Stick 100S - Medium Firmness, Closed Cell Silicone Sponge with Silicone Adhesive | |||||||||
| SNS 100S - Closed cell silicone sponge gasket tape. The base silicone sponge is Saint Gobain's medium firmness R-10470-M with an unsupported (transfer) silicone pressure sensitive adhesive (PSA). SNS 100S gasket tape is good for water seals and dust seals (e.g. NEMA & IP), especially where there are wide operating temperatures. This silicone sponge gasket tape has excellent rebound, is UL listed for gasketing in lighting fixtures, and UV resistant. The Low/Medium strength adhesive backing is well suited for extreme temperatures. Silicone sponge is tougher than silicone foam. | |||||||||
| Product | Thickness | Color | Length | Foam / Sponge | Adhesive Type | Adhesive Temp Range | Uses | ||
| SNS 100S | 0.062" (1.57mm) |
Orange / Tan |
30 ft (7.62m) | R-10470-M Medium | Silicone Transfer | -100°F to +500°F | Strip-N-Stick 100S - Silicone Sponge Strip Gasket - High Temp Gasket Tape - Low Temp Gasket Tape - Unsupported Silicone Adhesive - Water Gasket - Dust Gasket - UV Resistant / Outdoor Gasket - Long Service Life - UL Rated for Lighting Fixtures |
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| SNS 100S | 0.093" (2.36mm) |
Orange / Tan |
30 ft (7.62m) | R-10470-M Medium | Silicone Transfer | -100°F to +500°F | |||
| SNS 100S | 0.125" (3.18mm) |
Orange / Tan |
30 ft (7.62m) | R-10470-M Medium | Silicone Transfer | -100°F to +500°F | |||
| SNS 100S | 0.188" (4.78mm) |
Orange / Tan |
15 ft (3.81m) | R-10470-M Medium | Silicone Transfer | -100°F to +500°F | |||
| Strip-N-Stick 200A - Medium Firmness, Closed Cell Silicone Sponge with Acrylic Adhesive | |||||||||
| SNS 200A - Closed cell silicone sponge gasket tape. Similar to SNS 100S, the silicone sponge is Saint Gobain's medium firmness R-10470-M but with an unsupported (transfer) acrylic pressure sensitive adhesive (PSA). SNS 200A gasket tape is good for water sealing and dust sealing (e.g. NEMA & IP), where the operating temperatures are not extreme. This long life silicone sponge gasket tape has excellent long term rebound and is UV resistant. The strong acrylic adhesive backing is well suited for bonding to high, medium and some low surface energy substrates. | |||||||||
| Product | Thickness | Color | Length | Foam / Sponge | Adhesive Type | Adhesive Temp Range | Uses | ||
| SNS 200A | 0.062" (1.57mm) |
Orange / Tan |
30 ft (7.62m) | R-10470-M Medium | Acrylic Transfer | -20°F to +300°F | Strip-N-Stick 200A - Silicone Sponge Strip Gasket - Silicone Sponge Gasket Tape - Unsupported Acrylic Adhesive - Water Gasket - Dust Gasket - UV Resistant / Outdoor Gasket - Long Service Life |
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| SNS 200A | 0.093" (2.36mm) |
Orange / Tan |
30 ft (7.62m) | R-10470-M Medium | Acrylic Transfer | -20°F to +300°F | |||
| SNS 200A | 0.125" (3.18mm) |
Orange / Tan |
30 ft (7.62m) | R-10470-M Medium | Acrylic Transfer | -20°F to +300°F | |||
| SNS 200A | 0.188" (4.78mm) |
Orange / Tan |
15 ft (3.81m) | R-10470-M Medium | Acrylic Transfer | -20°F to +300°F | |||
| SNS 200A | 0.250" (6.35mm) |
Orange / Tan |
15 ft (3.81m) | R-10470-M Medium | Acrylic Transfer | -20°F to +300°F | |||
| Strip-N-Stick 300AR - Reinforced, Closed Cell Silicone Sponge with Acrylic Adhesive | |||||||||
| SNS 300AR - Reinforced closed cell silicone sponge gasket tape. This unique medium firmness silicone sponge is made with an embedded fiberglass reinforcement which offers exceptional X & Y axis stability (no stretching during install). SNS 300AR has an unsupported (transfer) acrylic pressure sensitive adhesive (PSA) backing. This gasket tape is good for applications where dimensional stability and higher tensile strength are required. Uses include water seals and dust seals, where the operating temperatures are not extreme. This long life silicone sponge gasket tape has excellent long term rebound and is UV resistant. The strong adhesive backing is well suited for bonding to high, medium and some low surface energy substrates. | |||||||||
| Product | Thickness | Color | Length | Foam / Sponge | Adhesive Type | Adhesive Temp Range | Uses | ||
| SNS 300AR | 0.062" (1.57mm) |
Blue / Grey |
30 ft (7.62m) | R-10450-M Reinforced Medium | Acrylic Transfer | -20°F to +300°F | Strip-N-Stick 300AR - Reinforced Strip Gasket - Reinforced Gasket Tape - Unsupported Acrylic Adhesive - Water Gasket - Dust Gasket - UV Resistant / Outdoor Gasket - Exceptional X & Y Stability |
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| SNS 300AR | 0.125" (3.18mm) |
Blue / Grey |
30 ft (7.62m) | R-10450-M Reinforced Medium | Acrylic Transfer | -20°F to +300°F | |||
| HT-800 Gasket Tape - Medium Firmness, Modified Closed Cell Silicone Foam with Acrylic Adhesive | |||||||||
| HT-800 Gasket Tape - Modified closed cell silicone foam gasket tape. This silicone foam tape offers excellent long term rebound for critical sealing applications such as indoor or outdoor enclosure gaskets needing to meet NEMA and IP standards. HT800 silicone foam is UL listed for flame (UL94 V0) and for several gasket applications including UL50 and UL50E periodic recompression. | |||||||||
| Product | Thickness | Color | Length | Foam / Sponge | Adhesive Type | Adhesive Temp Range | Uses | ||
| HT-800 Gasket Tape | 0.032" (0.79mm) |
Grey | 20 ft (5.08m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | HT-800 Gasket Tape - Silicone Foam Strip Gasket - UL Gasket Tape - Supported Acrylic Adhesive - Water Gasket - Dust Gasket - UV Resistant / Outdoor Gasket - HT800 foam is listed for: UL 94V-0, UL 50, UL 50E, UL 508, UL 1570, UL 1572, UL 157 - Meets FAR 25.853 |
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| HT-800 Gasket Tape | 0.062" (1.57mm) |
Grey | 30 ft (7.62m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | |||
| HT-800 Gasket Tape | 0.125" (3.18mm) |
Black or Grey |
20 ft (5.08m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | |||
| HT-800 Gasket Tape | 0.188" (4.78mm) |
Grey | 20 ft (5.08m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | |||
| HT-800 Gasket Tape | 0.250" (6.35mm) |
Grey | 20 ft (5.08m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | |||
| HT-800 Gasket Tape | 0.375" (9.53mm) |
Grey | 10 ft (2.54m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | |||
| HT-800 Gasket Tape | 0.500" (12.7mm) |
Grey | 10 ft (2.54m) | HT-800 Medium | Supported Acrylic | -40°F to +300°F | |||
| HT-870 Gasket Tape - Soft, Open Cell Silicone Foam with Acrylic Adhesive | |||||||||
| HT-870 Gasket Tape - Soft silicone foam gasket tape. This soft open cell silicone foam has a fine pitched cell structure making it good for dust seal and light water sealing. HT-870 has excellent rebound, is UV resistant, and is UL listed for several gasket applications. The softness of this strip gasket allows for good compression with lower clamping force. Testing for suitability in wet applications is recommended due to the open cells. | |||||||||
| Product | Thickness | Color | Length | Foam / Sponge | Adhesive Type | Adhesive Temp Range | Uses | ||
| HT-870 Gasket Tape | 0.062" (1.57mm) |
Black | 10 ft (2.54m) | HT-870 Soft | Acrylic Transfer | -40°F to +300°F | HT-870 Gasket Tape - Silicone Foam Strip Gasket - UL Gasket Tape - Unsupported Acrylic Adhesive - Dust Gasket - UV Resistant / Outdoor Gasket - HT870 foam is listed for: UL 94V-0, UL 50, UL 50E, UL 508, UL 1570, UL 1572, UL 157, UL 197 - Meets FAR 25.853 |
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| Strip-N-Stick 512 - Very Soft, Open Cell Silicone Foam with Acrylic Adhesive | |||||||||
| SNS 512 - Very soft silicone foam gasket tape. This very soft open cell silicone foam is good for dust seals, and cushioning, light water mist sealing. SNS 512 has excellent rebound and is UV resistant. The softness of this strip gasket allows for good compression with low clamping force. Testing for suitability in wet applications is recommended due to the open cells. | |||||||||
| Product | Thickness | Color | Length | Foam / Sponge | Adhesive Type | Adhesive Temp Range | Uses | ||
| SNS 512 | 0.125" (3.18mm) |
Grey | 30 ft (7.62m) | F-12 Very Soft |
Supported Acrylic | -40°F to +300°F | Strip-N-Stick 512 LT - Soft Strip Gasket - Silicone Foam Gasket Tape - Supported Acrylic Adhesive - Dust Gasket - Cushioning Tape - F-12 foam is listed for: UL 94V-0 - Meets FAR 25.853 |
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| SNS 512 | 0.250" (3.18mm) |
Grey | 15 ft (3.81m) | F-12 Very Soft |
Supported Acrylic | -40°F to +300°F | |||
| 400FR Gasket Tape - Medium Firmness, UL94V0, Closed Cell Silicone Sponge with Acrylic Adhesive | |||||||||
| 400FR Gasket Tape - Medium firmness, R-10400-M flame retardant silicone sponge with an unsupported (transfer) acrylic pressure sensitive adhesive. 400FR Gasket Tape is good for water sealing and dust sealing (e.g. NEMA & IP), in rugged environments. This long life silicone sponge gasket tape has excellent long term rebound, is UV resistant and UL 94V-0 listed. The strong acrylic adhesive backing is well suited for bonding to high, medium and some low surface energy substrates. | |||||||||
| Product | Thickness | Firmness | Length | Sponge | Cell Structure | Adhesive | Uses | ||
| 400FR Gasket Tape |
0.062 - 0.250” (1.57 - 6.35mm) |
Medium | 15 or 30ft (3.81 - 7.62m) |
R10400 M | Closed Cell |
Acrylic Transfer -20 - 300°F (-29 - 149°C) Adhesion: High |
- Silicone Sponge Gasket Tape - Unsupported Acrylic Adhesive - Water Gasket and Dust Gasket - UV Resistant / Outdoor Gasket - Sponge is UL 94V-0 listed - 21 CFR 177.2600 (food contact) - Dielectric Strength (200 V/mil) - Long Service Life - Color: Blue/Gray |
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| What are the different adhesives? - Silicone based adhesives are most commonly specified when a gasketing application needs to meet a wide temperature range. Acrylic based adhesives have a tighter operating temperature range than silicone, they are available in a variety of bonding strengths and cost less than silicone adhesives. A supported (or double coated) structure indicates a thin layer of PET is embedded in the adhesive which gives the gasket tape some X and Y axis dimensional stability. An unsupported adhesive, also called a transfer adhesive, is a thin, "stretchy" adhesive backing offering no X or Y axis stability. |
| Custom gasket tape? - Stockwell also manufactures custom gasket tape. Choose one of the silicone foams or silicone sponges and combine with a stock adhesive to develop a custom combination that meets a unique design requirement. Note, custom gasket tape requires a minimum order. Small sample or test swatches are available for test bonding. |
| Die Cut or Waterjet Cut? - All of the gasket tape / strip tape materials listed above are readily available to be die cut or water jet cut to dimensional specifications. For more information on these and other materials see our Products page. |
Contact Stockwell Elastomerics, Inc.
Contact Us for further assistance with gasket tape and gaskets strips.
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Overview | |
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ESD, EMI, and Electrically Conductive Materials | |
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PORON® | |
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Thermal | |
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Silicone Sponges & Foams | |
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Solid Silicone | |
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Gasket Tape / Strip Gasket | |
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Closed Cell Rubber | |
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Fluorosilicone | |
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Molding | |
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Adhesives | |
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