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3M 398FR High-Temperature Sealing Glass Cloth Tape
3MHigh-Temperature Sealing Glass Cloth Tape

3M 398FR High-Temperature Sealing Glass Cloth Tape

The 3M 398FR is a single-sided, white fiberglass cloth tape with acrylic adhesive, 2 in wide, 36 yd long, and 7 mil thick, supplied in a 24-pack. It is designed for window sealing in aviation applications and meets…

SKU 3G-OTH-605468

Also listed as: 398 FR · 398-FR

Brand
3M
Item
398FR High-Temperature Sealing Glass Cloth Tape
Part Number
398FR
Category
High-Temperature Sealing Glass Cloth Tape
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
398FR
Type
White, Fiberglass Cloth, Acrylic, Single-Sided, 24 PK
Lg
36 yd
Thick
7 mil

Technical Documents

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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M 398FR is a single-sided, white fiberglass cloth tape with acrylic adhesive, 2 in wide, 36 yd long, and 7 mil thick, supplied in a 24-pack. It is designed for window sealing in aviation applications and meets FAR 25.853(a) flammability requirements for indoor/outdoor use.

Frequently Asked Questions

What is 3M 398FR cloth tape used for?

The 3M 398FR is a single-sided fiberglass cloth tape with acrylic adhesive, designed for window sealing in aviation applications. It meets FAR 25.853(a) flammability requirements and is suitable for indoor/outdoor use, providing reliable high-temperature sealing in aircraft interiors.

What are the specifications of 3M 398FR tape?

The 3M 398FR tape is 2 in wide, 36 yd long, and 7 mil thick. It features a white fiberglass cloth backing with acrylic adhesive, supplied in a 24-pack. The tape is single-sided and certified to FAR 25.853(a) for aviation flammability compliance.

Where to buy 3M 398FR tape worldwide?

3G Electric supplies the 3M 398FR fiberglass cloth tape worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this aviation-grade sealing tape for your application.

How to install 3M 398FR cloth tape for window sealing?

Clean the surface thoroughly to remove dust and grease. Apply the 3M 398FR tape with firm pressure, ensuring full contact for proper adhesion. For aviation window sealing, follow standard aircraft maintenance practices and verify the bond meets FAR 25.853(a) requirements.

Used in

Common applications for 3M
Electrical maintenance — 3M Super 33+ electrical tape for insulating splices and bundling wires in control circuits.
Mining cable repair — 3M molded resin pouch for coating cable jackets in mine and portable cable applications.
Utility cable splicing — 3M cold shrink splice kit rated for 15 kV for insulating and repairing power cables.
Industrial wire harnessing — 3M 2520 series varnished cotton cloth tape for abrasion resistance in wire harnessing.
Structural bonding — 3M DP8005 acrylic adhesive for bonding plastics, metals, and composites in assembly operations.
Cable protection — 3M heat shrink tubing for sealing and protecting electrical connections from moisture and abrasion.
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3M Products

3G Electric supplies 3M high-temperature sealing glass cloth tape. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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This polyester film tape with silicone adhesive is designed for high-temperature masking applications such as powder coating, wave soldering, and plasma spray. It withstands elevated temperatures and removes cleanly without residue. The tape is 3.2 mil thick, 72 yards long, and features a green color
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This polyester film tape with silicone adhesive is designed for high-temperature masking applications such as powder coating, wave soldering, and plasma spray. It withstands elevated temperatures and removes cleanly without residue. The tape is 3.2 mil thick, 72 yards long, and features a green color

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