 3M™ BONDED TAPE SYSTEM The 3M Bonded Tape System enables you to achieve the ultimate bond to the rubber and the ultimate bond to the substrate. This tape option creates a moisture barrier and air-tight seal. With the highest peel-and-sheer resistance, the 3M Bonded Tape System can be used under high loads of stress and force. It has low initial tack for easy repositioning during installation and needs 72 hours of cure time to come to full-bond strength. It is rated for good heat performance between -20°F to 158°F.
3M™ Heat-Activated Acrylic Foam and Acrylic Plus Tape Application Guidelines
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 STANDARD PRESSURE SENSITIVE ADHESIVE The Standard Pressure-Sensitive Adhesive option for your seal is an acrylic-based adhesive. It works best when used to hold the seal in place while installing in a static application or when it’s compressed between two stationary objects. It may be used in some light-duty dynamic applications against a variety of substrates. It is rated for good heat performance between -20°F to 158°F. Please note: During installation, the ambient temperature must be above 60°F.
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Specs for Series 1543 D-Shaped Gaskets
| Description |
Trim-Lok’s D-Shaped Rubber Seals (Series 1543) are specially designed
from custom-formulated EPDM sponge rubber compound.
D-shaped weatherstripping is ideal for numerous applications across a variety of industries, including automotive, marine, manufacturing and more.
As the leading manufacturer of plastic and rubber extrusions, Trim-Lok has been providing trim and seal engineering, custom solutions and services for over 50 years. We proudly make our products in America and use only the highest quality materials. Learn more about our custom capabilities.
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| Resistance to |
- Ozone – Excellent
- Water Absorption – Excellent
- Sunlight Aging – Excellent
- Low Temperature – Excellent
- Compression Set – Good
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| General Temp. Rating |
-20°F to 158°F |
| Compression Rating |
25–40% compression recommended, with 25% compression for optimal performance.
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| Flammability and Code Compliance |
Download the PDF: FMVSS 302
Download the PDF: UL50 |
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This (component or material) is Recognized by UL. Representative samples of this component have been evaluated by UL and meet applicable UL requirements. |
| Adhesive Options |
- "BT" Pressure Sensitive Adhesive This 3M acrylic, automotive-grade tape creates the ultimate bond to the rubber and the ultimate bond to the substrate. It creates a moisture barrier and airtight seal between rubber and substrate. With the highest peel and shear resistance, it can be used under high loads of stress and force. It has low initial tack for easy repositioning during installation and needs 72 hours of cure time to come to full bond strength. It is rated for good heat performance from -20°F to 158°F.
- "HT" Pressure Sensitive Adhesive This acrylic-based adhesive is best used to hold the rubber seal in place while installing it in a static application or compressed between two stationary objects. It may be used in some light-duty dynamic applications against a variety of substrates. It is rated for good heat performance from -20°F to 158°F. Please note: During application, the ambient temperature must be above 60°F.
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View Rubber Seal Spec Sheet
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| Part Number |
Top Bend Radius |
Inside Bend Radius |
Outside Bend Radius |
| X1543BT |
4.50" |
2.00" |
1.00" |
Installation Video and Instructions for D-Shaped Rubber Seals
Find out how to install our D-shaped rubber seal by downloading our installation instruction PDF. Watch the video now to see a demonstration.
Browse our entire catalog of rubber seals here (via PDF download), or order a FREE catalog here.
