We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
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
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Single-sided tape with white elastomeric film backing and acrylic adhesive. Used for sealing joints and seams in building envelopes, providing moisture resistance on polystyrene surfaces. Suitable for indoor and outdoor applications in construction and HVAC
3M
Single-sided tape with white elastomeric film backing and acrylic adhesive. Used for sealing joints and seams in building envelopes, providing moisture resistance on polystyrene surfaces. Suitable for indoor and outdoor applications in construction and HVAC
Polyimide film tape with acrylic adhesive, amber color, 3 mil thickness, 5 yard length. Designed for high-temperature electrical insulation in applications such as motor windings, transformers, and coil wrapping
3M
Polyimide film tape with acrylic adhesive, amber color, 3 mil thickness, 5 yard length. Designed for high-temperature electrical insulation in applications such as motor windings, transformers, and coil wrapping
Polyester film tape with silicone adhesive, 3.4 mil thick, blue color. Used for high-temperature masking in powder coating, wave soldering, and plasma spray applications. Withstands bake cycles up to 500°F and removes cleanly without residue
3M
Polyester film tape with silicone adhesive, 3.4 mil thick, blue color. Used for high-temperature masking in powder coating, wave soldering, and plasma spray applications. Withstands bake cycles up to 500°F and removes cleanly without residue

More from 3M

View all 3M parts
White fiberglass cloth tape with silicone adhesive, 3/4 in wide, 60 yd long, 6.4 mil thick. Designed for high-temperature sealing applications in roofing and aerospace. Meets FAR 25.853 standards. Suitable for indoor and outdoor use
3M
White fiberglass cloth tape with silicone adhesive, 3/4 in wide, 60 yd long, 6.4 mil thick. Designed for high-temperature sealing applications in roofing and aerospace. Meets FAR 25.853 standards. Suitable for indoor and outdoor use
This single-sided fiberglass cloth tape features an acrylic adhesive and a white finish. It is 2 inches wide, 36 yards long, and 7 mils thick, supplied in a 24-pack. Suitable for high-temperature sealing applications such as window sealing in aircraft interiors, it meets FAR 25.853(a) flammability requirements for indoor/outdoor use
3M
This single-sided fiberglass cloth tape features an acrylic adhesive and a white finish. It is 2 inches wide, 36 yards long, and 7 mils thick, supplied in a 24-pack. Suitable for high-temperature sealing applications such as window sealing in aircraft interiors, it meets FAR 25.853(a) flammability requirements for indoor/outdoor use
This single-sided fiberglass cloth tape features a silicone adhesive, designed for high-temperature sealing applications. It is suitable for indoor/outdoor use in roofing and marine environments. The tape meets FAR 25.853 flame resistance standards. Each roll is 3 inches wide by 60 yards long, with a thickness of 6.4 mil, sold in a 12-pack
3M
This single-sided fiberglass cloth tape features a silicone adhesive, designed for high-temperature sealing applications. It is suitable for indoor/outdoor use in roofing and marine environments. The tape meets FAR 25.853 flame resistance standards. Each roll is 3 inches wide by 60 yards long, with a thickness of 6.4 mil, sold in a 12-pack

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first