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Permabond TA439 two-component Toughened Acrylic Adhesive Permabond

Permabond TA439 two-component Toughened Acrylic Adhesive

Name: Permabond TA439 two-component Toughened Acrylic Adhesive
Brand: Permabond
SKU: PBND_TA439_050ML+INITIATOR
Price: 79.0 CAD
Availability: InStock

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Size 50ml (1.7 oz) 1 Liter (33.8 oz)

Select the Kit needed 50ml Kit With Initiator 50ml Bottle only Short Shelf Life (1-3 Mths Left) 1 Liter (33.8 oz) -Short Shelf Life (1-3 Mths Left) Recently Expired

Product variants

SKU: PBND_TA439_050ML+INITIATOR

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SKU

Type Acrylic (MMA)
Vendor Permabond
SKU PBND_TA439_050ML+INITIATOR

Permabond TA439 is a two-component, toughened acrylic adhesive for bonding metals, ferrites, ceramics and some plastics. This adhesive has high shear and peel strength. Permabond TA439 has a fast cure at room temperature and a typical fixture time of 20-40 seconds. This adhesive is methacrylic acid-free making it suitable for sensitive components in sealed electric motors.

Initiator 41 can be used with Permabond TA439 or Initiator 43 can be used when bonding plastics.

Features

No mix application
Fast cure at room temperature
High shear and peel strength
Good impact strength
Good chemical resistance
Non-corrosive formulation

Table of Surface Activated Acrylic Adhesives, And the related Initiator Number that pairs with them

Grade	TA430 and Initiator 41 or Initiator 41M	TA435 and Initiator 41 or Initiator 41M	TA436 and Initiator 43	TA437 and Initiator 41 or Initiator 41M	TA439 and Initiator 41 or Initiator 41M*	TA4590 and Initiator 44	TA4246 and Initiator 46
Color	Amber	Amber	Amber	Orange	Amber	Blue	Amber
Feature	General Purpose	High Peel Strength	High Temp	Anaerobic Cure	Acid Free	Acid Free	MMA - very high strength
Visc. cP 2.5 rpm	50,000	70,000	60,000	130,000	-	90,000	-
Visc. cP 20 rpm	20,000	30,000	25,000	40,000	1000	20,000	28,000
Specific Gravity	1.1	1.0	1.1	1.1	1.0	1.1	1.0
Gap Fill inch (mm)	0.02 (0.51)	0.02 (0.51)	0.02 (0.51)	0.02 (0.51)	0.006 (0.15)	0.02 (0.51)	0.02 (0.51)
Handling Time	3 - 5 min	3 - 5 min	1 - 3 min	1 - 3 min 15 - 20 min**	40 - 75 sec	30 - 60 sec	2 - 4 min
Working Strength	40 - 60 min	30 - 60 min	30 - 60 min	30 - 60 min 60 - 120 min**	3 - 5 min	2 - 3 min	15 - 30 min
Full Cure	24 hr	24 hr	24 hr	24 hr	24 hr	24 hr	24 hr
Impact Strength	10 - 15 kJ/m²	10 - 15 kJ/m²	10 - 15 kJ/m²	10 - 15 kJ/m²	10 - 20 kJ/m²	15 - 20 kJ/m²	50 - 60 kJ/m²
Shear Strength Steel	2200-3600 psi 15 - 25 N/mm2	2200-3600 psi 15 - 25 N/mm2	2200-3600 psi 15 - 25 N/mm2	2000-3000 psi 14 - 20 N/mm2	2900-3600 psi 20 - 25 N/ mm2	2900-3600 psi 20 - 25 N/ mm2	4800-5100 psi 33 - 35 N/mm2
Peel Strength Aluminum	10 - 14 PIW 45-65 N/25mm	18 - 22 PIW 85-100 N/25mm	10 - 14 PIW 45-65 N/25mm	18 - 22 PIW 85-100 N/25mm	18 - 22 PIW 85-100 N/25mm	18 - 22 PIW 85-100 N/25mm	33 - 40 PIW 150-180 N/25mm
CTE	80 x 10-6 1/K	80 x 10-6 1/K	80 x 10-6 1/K	80 x 10-6 1/K	80 x 10-6 1/K	80 x 10-6 1/K	80 x 10-6 1/K
Thermal Conductivity	0.1 W/(m.K)	0.1 W/(m.K)	0.1 W/(m.K)	0.1 W/(m.K)	0.1 W/(m.K)	0.1 W/(m.K)	0.1 W/(m.K)
Dielectric Constant	4.6	4.6	4.6	4.6	4.6	4.6	4.6
Dielectric Strength	30 - 50 kVmm	30 - 50 kVmm	30 - 50 kVmm	30 - 50 kVmm	30 - 50 kVmm	30 - 50 kVmm	30 - 50 kVmm
Volume Resistivity	2 x 1013 Ohm.cm	2 x 1013 Ohm.cm	2 x 1013 Ohm.cm	2 x 1013 Ohm.cm	2 x 1013 Ohm.cm	2 x 1013 Ohm.cm	2 x 1013 Ohm.cm
Temperature Range	-65 to +250°F -55 to +120°C	-65 to +250°F -55 to +120°C	-65 to +300°F -55 to +150°C	-65 to +390°F -55 to +200°C	-65 to +330°F -55 to +165°C	-65 to +330°F -55 to +165°C	-40 to +250°F -40 to +120°C

Applications

Adhesion to a wide range of substrates (ferrites, metals, ceramics, plastics)
For pack sizes, please see Additional Information.

Surface Preparation

Surfaces should be clean, dry and grease-free before the application.
Permabond Cleaner A can be used for degreasing the majority of surfaces.
If bonding to metals (aluminum, copper and alloys), you may need to abrade the surface with an emery cloth to remove the oxide layer.

Product Name

Permabond TA439 two-component Toughened Acrylic Adhesive

Brief Description

Permabond TA439 is a two-component structural acrylic adhesive engineered for high-strength bonding of various substrates, including metals, ferrites, ceramics, and certain plastics. It offers a rapid fixture time, making it highly suitable for high-speed production environments. This adhesive forms tough, durable bonds with excellent impact resistance. A key feature is its methacrylic acid-free formulation, which prevents corrosion on sensitive components, particularly in sealed electric motors.

Popular Applications & Uses

- Bonding of metals, ferrites, ceramics, and some plastics- Ideal for high-speed production lines- Magnet and ferrite bonding, especially in electric motors- Loudspeaker component assembly- Automotive exterior component bonding- Interior applications for buses, trains, and trams- Vehicle conversions and campervan manufacturing- Installation of lifts, stairlifts, stairs, and walkways- Sign bonding, point of sale displays, and shopfitting- Used in some aircraft parts applications (Permabond TA4246 is aerospace approved, but TA439 is mentioned in general application contexts)

Industries that Commonly Use It

- Aerospace/Defense- Automotive Service/Repair- Construction/Building Services- Electrical Services or Products- General Manufacturing- LED/Electronics- Metal Fabrication- Plastic Fabrication- Sign & Display- Transportation/ Specialty Vehicle

Special and Unique Features

- Two-component structural acrylic adhesive system- Achieves fast cure at room temperature- Typical fixture time ranges from 20-40 seconds- Features a no-mix application process, where an initiator is applied to one surface- Methacrylic acid-free formulation prevents corrosion on sensitive components, particularly in sealed electric motors- Delivers high strength, tough, and durable bonds- Exhibits good impact resistance and performs well in drop tests- Offers good chemical resistance- Non-corrosive formulation- Provides high shear and peel strength- Capable of withstanding higher temperatures for brief periods, such as during paint baking and wave soldering processes

Key Properties

- Chemical composition: Urethane methacrylate (resin)- Appearance: Transparent amber liquid (resin)- Viscosity @ 25°C: 600-1,200 mPa.s (cP)- Specific gravity (resin): 1.0- Max gap fill: 0.5 mm- Shear strength (Mild steel): 20-25 N/mm² (2900-3600 psi)- Shear strength (Zinc): 12-18 N/mm² (1700-2600 psi)- Shear strength (steel to ferrite): >14 N/mm² (>2000 psi) after 24 hours- Peel strength (aluminium): 85-100 N/25mm (18-22 PIW)- Tensile strength (ISO37): 25-30 N/mm² (3600-4200 psi)- Impact strength (ASTM D-950): 15-20 kJ/m²- Coefficient of thermal expansion (ASTM D-696): 80 x 10⁻⁶ 1/K- Thermal conductivity (ASTM C-177): 0.1 W/(m.K)- Dielectric constant (ASTM D-150): 4.6- Dielectric strength (ASTM D-149): 30-50 kV/mm- Volume resistivity (ASTM D-257): 2 x 10¹³ Ohm.cm- Operating temperature range: -55 to 165°C (-65 to 330°F)

Surface Compatibility

- Metals (e.g., mild steel, zinc, aluminium, copper and its alloys)- Ferrites- Ceramics- Some plastics- Surfaces should be clean, dry, and grease-free prior to application. Permabond Cleaner A is recommended for degreasing most surfaces. For metals like aluminum and copper, light abrasion with emery cloth may be beneficial to remove the oxide layer.

Known backups / known substitutes

- Permabond TA4610 (a slower curing variant)- Permabond TA452 Toughened Acrylic Adhesive- Permabond 920 Cyanoacrylate Super Adhesive- Bostik Born2Bond Structural Cyanoacrylate Adhesive- Other Permabond structural acrylic adhesives such as TA430 and TA440- General structural adhesive competitors include Huntsman Structural Adhesives (epoxies, polyurethanes, methacrylates), 3M, Bostik, Sika AG, Soudal NV, Wacker Chemie AG, and Weicon.

Comparison Note

Permabond TA439 is distinguished by its exceptionally fast fixture time of 20-40 seconds, making it particularly well-suited for high-speed production lines where efficiency is critical. Its methacrylic acid-free composition is a significant advantage for applications involving sensitive electronic components and sealed electric motors, as it eliminates the risk of corrosion. The adhesive delivers robust, durable bonds with superior impact and chemical resistance across a broad spectrum of substrates, including various metals, ferrites, ceramics, and select plastics.

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Permabond TA439 two-component Toughened Acrylic Adhesive

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SKU

Features

Applications

Surface Preparation