Aluminum foil tape

WETAPE · ALUMINUM FOIL TAPE

Aluminum Foil Tape Aluminum Foil Tape

Heat Reflective · Moisture Resistant

Extreme Temp Resistant · Strong Adhesion, No Peeling

Industrial Grade — Protect Components Reduce Energy Loss, Trusted by leading engineers and factories.

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Product information by WeTape Product Engineering Team · Based on Manufacturer Datasheets · Last Updated: August 2026

SELECT BY ADHESIVE PROPERTIES · ADHESIVE

Select Aluminum Foil Tape by Adhesive Properties

Divided into 2 groups based on adhesive type. Choose the right one for your job.

Non-Conductive Aluminum Foil Tape

Non-Conductive Adhesive · Sealing / Insulation / Heat Reflection

NON-CONDUCTIVE · NON-CONDUCTIVE

Best Seller · Heat Resistant

3M 425

Aluminum Foil Tape · Dead-Soft 0.12 mm

฿1,950

/ Roll (Excl. VAT)

Key Features +

Dead-Soft aluminum foil, 0.12 mm thick. Clear acrylic adhesive (non-conductive). Withstands temperatures from −54°C to 149°C. Reflects heat, resists chemicals, moisture, and flames.

Suitable For +

Aircraft paint stripping masking, heat shielding, and wire harnessing requiring advanced protection.

Why Choose This Model +

Premium grade from 3M. Dead-soft foil conforms tightly to curved surfaces. Withstands extreme temperatures. The #1 popular choice among aluminum foil tapes.

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NON-CONDUCTIVE · NON-CONDUCTIVE

HVAC · Non-Conductive

MT AL50

Aluminum Foil Tape · Non-Conductive 0.08 mm

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Key Features +

Aluminum foil tape, 0.08 mm thick. Non-conductive adhesive. Seals joints tightly. Moisture resistant and reflects heat.

Suitable For +

HVAC heating/cooling duct wrapping, repairing container leaks, covering metals, and sealing thermal insulation joints.

Why Choose This Model +

Cost-effective for general duct and insulation works. Non-conductive adhesive ensures safety for applications not requiring electrical conductivity.

Inquire Price

Conductive Aluminum Foil Tape

Conductive Adhesive · EMI Shielding / Grounding

CONDUCTIVE · CONDUCTIVE

EMI Shielding · Conductive

MT AL50C

Aluminum Foil Tape · Conductive 0.09 mm

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Key Features +

Aluminum foil tape, 0.09 mm thick. Conductive adhesive provides electrical continuity. Ideal for shielding and grounding.

Suitable For +

EMI/RFI shielding, circuit grounding, HVAC duct wrapping, and repairs requiring electrical conductivity.

Why Choose This Model +

Provides both surface sealing and electrical conductivity in one roll. Perfect for electronic applications requiring signal interference shielding.

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Not sure which adhesive to use? Consult our team via LINE We can help you choose the right one for your job instantly.

GET TO KNOW · ALUMINUM FOIL TAPE

What is Aluminum Foil Tape?

Aluminum Foil Tape

An industrial adhesive tape made from pure aluminum foil, coated with special adhesive such as heat-resistant acrylic adhesive. Designed to act as a protective barrier, perfectly reflecting heat radiation and preventing moisture, chemicals, and leakage.

Key Properties

✓

Reflects Heat Radiation

Reduces heat accumulation in the system

✓

Moisture Resistant

Tightly seals against water vapor and moisture

✓

Chemical Resistant

Withstands chemical corrosion

✓

Leak-Proof

Seals joints tightly

MATERIAL STRUCTURE · CROSS-SECTION

Material Structure of Aluminum Foil Tape — Cross-section

PET FilmAlu-PET model only

Enhances toughness, tensile strength, and tear resistance

Pure Aluminum FoilMain Layer

Reflects heat · Acts as a protective barrier

Heat-Resistant Acrylic Adhesive

Strong adhesion, withstands high temperatures

Release Liner

Peel off before use

Alu-PET — The model that combines Polyester (PET) film with foil, maximizing toughness, tensile strength, and tear resistance.

FROM THE ACTUAL WORKSITE

3 Reasons Why Factories Choose Aluminum Foil Tape

Three properties that make this tape an essential part of many factory production lines.

Manage Heat, Reduce Line Downtime

In high-temperature areas, plastic components or wire insulation often become brittle and crack under direct heat. Aluminum foil tape acts as a heat reflecting and dissipating layer, reducing the chance of component damage, which means less machine downtime for repairs or replacements.

Tight Joint Sealing, No Energy Leakage

HVAC and heating/cooling duct systems lose energy whenever joints are not perfectly sealed. Aluminum foil tape seals duct and insulation joints tightly, acting as an air and moisture barrier. This allows the system to operate at full efficiency and prevents unnecessary energy costs.

Durable Adhesion, Less Frequent Reworks

Industrial-grade acrylic adhesive is designed to resist UV rays and fluctuating weather conditions, so it won't easily dry out, crack, or peel like standard tapes. A single long-lasting application reduces rework and the hassle of long-term maintenance.

WHO IT'S FOR · WHO & WHICH

Suitable for which industries or applications?

Aluminum foil tape is suitable for all jobs requiring heat reflection, moisture sealing, and signal shielding — covering everything from automotive, HVAC, and electronics to construction works.

AUTOMOTIVE

Automotive Industry

Wrapping wires and hoses in the engine bay to reflect engine heat and protect components from high temperatures.

Heat Shield Wire Harness

HVAC

HVAC & Ventilation Systems

Insulating air ducts, AC pipes, and sealing joints tightly to prevent condensation.

Duct Sealing Condensation

ELECTRONICS

Electronics Industry

EMI/RFI shielding on circuit boards, helping to maintain signal stability.

EMI/RFI Shielding PCB

CONSTRUCTION

Construction Industry

Sealing joints of under-roof thermal insulation boards, helping to reflect heat and prevent moisture from entering the building.

Insulation Vapor Barrier

REAL-WORLD APPLICATIONS · APPLICATION ENVIRONMENTS

Applicable in what kind of environments?

Whether in wet areas, high-temperature baking rooms, or outdoors exposed to year-round sun and rain, aluminum foil tape is designed to withstand environments where standard tapes fail.

01 · VAPOR BARRIER

High Humidity Areas / Water Splash Exposure

The foil acts as a Vapor Barrier, completely preventing the penetration of water vapor and splashes. Perfect for areas constantly exposed to moisture.

Vapor Barrier 100% Waterproof

02 · BAKING · MASKING

Baking Process

Used for masking in high-temperature automotive paint baking rooms. Withstands heat without peeling or leaving adhesive residue.

Paint Masking High Temp Resistant

03 · OUTDOOR

Outdoor Environments

Long-term resistance to sunlight, UV rays, fluctuating weather conditions, and corrosion, without drying out, cracking, or peeling.

UV Resistant Weatherproof

ENGINEER'S GUIDE · ENGINEER'S GUIDE

How to Choose the Right Foil Tape for Your Specs

3 steps that on-site engineers use to evaluate before selecting the right aluminum foil tape for actual application conditions.

STEP

Evaluate On-site Temperature

Choose a tape with a Temperature Resistance rating at least 20% higher than the actual on-site temperature for a safety margin during use.

Rule of Thumb — Allow at least a +20% margin

STEP

Select Adhesive Type

General applications use acrylic adhesive, while jobs requiring immediate adhesion in cold environments should use rubber adhesive.

Quick Comparison — Acrylic for general vs Rubber for extreme cold

STEP

Foil Thickness

For rough or curved surfaces, choose thin foil for a tight seal. For applications requiring scratch resistance, choose a thick or PET-coated model.

Easy to Remember — Thin = Tight Seal · Thick = Scratch Resistant

FREQUENTLY ASKED QUESTIONS · FAQ

Frequently Asked Questions about Aluminum Foil Tape

A collection of questions frequently asked by customers and on-site engineers regarding specs, applications, and choosing the right model for the job.

What is WeTape's aluminum foil tape made of? +

It is made from pure aluminum foil coated with special adhesives, such as heat-resistant acrylic. It acts as a protective barrier, reflecting heat radiation, and preventing moisture, chemicals, and leaks.

What temperature can aluminum foil tape withstand? +

It depends on the model. For example, 3M 425 with Dead-Soft foil, 0.12 mm thick, can withstand temperatures from −54°C to 149°C. You should always choose a model with a Temperature Resistance rating at least 20% higher than your actual on-site temperature.

What is the difference between Conductive and Non-Conductive adhesive models? +

MT AL50 uses a non-conductive adhesive, ideal for HVAC duct wrapping and general repairs where electrical current flow is not desired. MT AL50C uses a conductive adhesive, creating electrical continuity, which is perfect for EMI/RFI shielding and circuit grounding.

What is Alu-PET, and how does it differ from standard foil tape? +

Alu-PET is a model that combines polyester (PET) film with aluminum foil. This increases its toughness, tensile strength, and tear resistance compared to standard models, making it suitable for applications demanding extra durability.

How should I choose the right foil tape thickness for my application? +

For rough or curved surfaces, choose a thinner foil to ensure a tight seal. For applications requiring resistance to scratching and abrasion, opt for a thicker model or one with a PET coating.

Can aluminum foil tape be used outdoors? Is it sun and rain resistant? +

Yes. The industrial-grade acrylic adhesive is designed to withstand UV rays and fluctuating weather conditions, so it won't easily dry out, crack, or peel like standard tapes. It is highly suitable for long-term outdoor use.

Which industries can use aluminum foil tape? +

It covers the automotive industry (Heat Shields, Wire Harnesses), HVAC systems (Duct Sealing), electronics (EMI/RFI Shielding on PCBs), and construction (sealing under-roof thermal insulation joints).

What is the starting price for aluminum foil tape? +

The 3M 425 model starts at 1,950 THB/roll (excluding VAT). For MT AL50 and MT AL50C models, you can inquire about pricing directly via LINE.

The specifications and temperature resistance values on this page are referenced from manufacturer datasheets (3M, MT). Prepared and reviewed by the WeTape Product Team. For high-risk or safety-critical applications, please consult an expert engineer or perform actual usage testing before making a product selection.

TRUSTED STANDARDS · WETAPE ALUMINUM FOIL TAPE

Confidence in Every Joint, Safety in Every Production Line

With international standard aluminum foil tape.

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MT 8111C Copper Foil Tape Conductive Adhesive

Copper tape, only 0.05 mm thick and 33 m long, is used for protecting small electrical circuit components, repairing and modifying circuit boards, and providing extra protection for joints, seams, and insulated wires.

฿300.00 excl tax

WE 8112C Copper Foil Tape Conductive Adhesive

Copper tape with a thickness of only 0.06 mm, is a tape used to protect small electrical circuit parts, repair, modification of circuit plans. Additional protection of joints and seams and insulated wires

Call for pricing

MT 8113C Copper Foil Tape Conductive Adhesive เทปทองแดง

เทปทองแดง เป็นเทปที่ใช้ป้องกันชิ้นส่วนวงจรไฟฟ้าขนาดเล็ก การซ่อมแซม การปรับเปลี่ยนแผนวงจร การป้องกันเพิ่มเติมของข้อต่อและตะเข็บและสายไฟหุ้มฉนวน มีความหนาเพียง 0.1 มิลลิเมตร ความยาว 50 เมตร

฿490.00 excl tax

MT AL50 Aluminum Foil Tape NONO Conductive Adhesive เทปอลูมิเนียม

Thickness 0.08 mm Non conductive adhesive Used for ducting, heating, cooling, air conditioning systems Or repair work Containers that are leaky, closed, covered with metal and covered with insulation in the industry Will be used to close the wire on the back and the lid of the refrigerator, not to heat reflect out a refrigerator is not hot when working

Call for pricing

MT AL50C Aluminum Foil Tape Conductive Adhesive เทปอลูมิเนียม

thickness 0.09 mm Conductive adhesive Used for ducting, heating, cooling, air conditioning systems Or repair work Containers that are leaky, closed, covered with metal and covered with insulation in the industry Will be used to close the wire on the back and the lid of the refrigerator, not to heat reflect out a refrigerator is not hot when working

Call for pricing

3M 425 Aluminum Foil Tape, 0.12mm Thickness

Premium industrial-grade dead-soft aluminum foil tape (0.12 mm) with transparent synthetic acrylic adhesive. Delivers extreme temperature resistance from -54°C to 149°C. Features excellent heat and light reflection, along with robust protection against moisture, chemicals, and flames. Highly conformable, making it ideal for aerospace paint stripping masking, thermal shielding, and wire harness wrapping.

฿1,950.00 excl tax