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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 white, single-sided fiberglass cloth tape with acrylic adhesive, 3 in wide, 36 yd long, and 7 mil thick, supplied in a 12-pack. It is designed for window sealing in aviation applications and meets…

SKU 3G-OTH-605471

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, 12 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 white, single-sided fiberglass cloth tape with acrylic adhesive, 3 in wide, 36 yd long, and 7 mil thick, supplied in a 12-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 3 in wide, 36 yd long, and 7 mil thick. It features a white fiberglass cloth backing with acrylic adhesive, supplied in a 12-pack. The tape is single-sided and certified to FAR 25.853(a) for aviation window sealing applications.

Where to buy 3M 398FR tape worldwide?

3G Electric supplies the 3M 398FR tape worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide this aviation-grade fiberglass cloth tape for window sealing applications, ensuring compliance with FAR 25.853(a) standards.

How to install 3M 398FR cloth tape?

Clean the surface thoroughly before applying the 3M 398FR tape. Press firmly along the entire length to ensure proper adhesion, especially at edges. For aviation window sealing, follow standard aircraft maintenance practices to maintain the FAR 25.853(a) flammability rating.

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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