Permabond Initiator 43 (for use with the TA series of Toughened structural acrylic adhesive)

Name: Permabond Initiator 43 (for use with the TA series of Toughened structural acrylic adhesive)
Brand: Permabond
SKU: PBND_IN_43_20ML
Price: 31.0 CAD
Availability: InStock

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Material Condition Fresh Batch Recently Expired Short Shelf Life (1-3 Months)

Size 20ml (0.67 fl oz) 1 Liter (33.8 oz)

Product variants

SKU: PBND_IN_43_20ML

$31.00 CAD

10 units available

10 units are available

SKU

Type Acrylic (MMA)
Vendor Permabond
SKU PBND_IN_43_20ML

Permabond Initiator 43 is used in conjunction with Permabond TA (structural acrylic) adhesives as a nomix resin and initiator system. Its solvent free formulation allows a long open time if required. Alternatively, parts can be bonded immediately after application (no need to wait for evaporation).

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

Product Name

Permabond Initiator 43 (for use with the TA series of Toughened structural acrylic adhesive)

Brief Description

Permabond Initiator 43 is a solvent-free, brush-on liquid adhesive activator designed to be used in conjunction with Permabond TA series structural acrylic adhesives. It functions as a no-mix resin and initiator system, facilitating the rapid curing and strong bonding of various substrates.

Popular Applications & Uses

- Used with Permabond TA (structural acrylic) adhesives.- Facilitates high-strength bonding of metals, ferrites, ceramics, and hard plastics.- Ideal for applications requiring high impact and high temperature resistance.- Magnet bonding, particularly for electric motors.- Plastic-to-metal bonding in automotive, appliances, and electronics.- Bonding polyolefin surfaces (e.g., polypropylene, polyethylene) without primer or surface treatment when used with specific TA adhesives (e.g., TA4610, TA4611).- Bonding dissimilar materials.

Industries that Commonly Use It

- Aerospace/Defense- Automotive Service/Repair- Chemical Industry- Construction/ Building Services- Electrical Services or Products (especially for sealed electric motors and sensitive electronic components)- Engineering Services- Fabrication- General Manufacturing- Government & Military- LED/Electronics- Metal Fabrication- Plastic Fabrication- Transportation/ Specialty Vehicle

Special and Unique Features

- Solvent-free formulation.- Allows for a long open time if required, or parts can be bonded immediately.- Brush-on liquid for quick and easy application.- Formulated to minimize attack and maximize performance on certain plastics.- Non-corrosive to sensitive copper parts or other electrically conductive surfaces (when used with specific TA adhesives like TA459).- Rapid cure and strength development.- Room temperature cure.

Key Properties

- Color: Green.- Viscosity: 10 mPa.s (10 cP).- Flashpoint: >90°C.- Specific Gravity: 1.0.- On-part life: 30 minutes.- Handling time (with Permabond TA436 at 23°C): <2 minutes for ~0mm gap, 10 minutes for 0.25mm gap, 20 minutes for 0.5mm gap.- Shelf Life: 12 months when stored in original unopened containers at 5 to 25°C.- Nonflammable.- Requires no drying time.

Surface Compatibility

- Metals- Ferrites- Ceramics- Hard plastics- Thermoplastics- Low surface energy plastics (e.g., polypropylene, polyethylene, HDPE, PTFE) when used with specific TA adhesives (e.g., TA4610, TA4611).- Composites- Rubbers (e.g., EPDM)- Glass- Wood- Dissimilar surfaces/materials.- Surfaces should be clean, dry, and grease-free for optimal bonding.

Known backups / known substitutes

- Permabond Initiator 41 (used with TA430, TA435, TA437).- Permabond Initiator 44 (used with TA459).- Permabond Initiator 46 (used with TA4246).- Other structural acrylic adhesives or activators from Permabond or other manufacturers (e.g., 3M Scotch-Weld, Loctite).- Welding or brazing (Permabond structural acrylics are presented as an alternative).

Comparison Note

Permabond Initiator 43 is specifically designed to work with the Permabond TA series of toughened structural acrylic adhesives as a "no-mix" system, offering a balance of long open time and rapid cure. Other initiators (like 41, 44, 46) are formulated for different Permabond TA series adhesives or specific applications. For instance, some TA adhesives (e.g., TA4611) are designed to bond low surface energy plastics without primers and feature a 1:1 mix ratio. While some TA adhesives (e.g., TA437) can cure anaerobically without an initiator in close-fitting metal joints, the use of an initiator significantly accelerates the curing process.

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Permabond Initiator 43 (for use with the TA series of Toughened structural acrylic adhesive)

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