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Home > Products > By Market > Consumer Products > PERMABOND® 743 Flexible Cyanoacrylate Adhesive
Prostech-PERMABOND® 743-flexible cyanoacrylate adhesive

PERMABOND® 743 Flexible Cyanoacrylate Adhesive

Has excellent impact and vibration resistance, and is suitable for bonding dissimilar materials

  • Product code: 743
  • Manufacturer: Permabond
  • Package size: 20g; 454g
  • Shelf Life: Contact us for more details

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  • Description
  • Specification
  • TDS/MSDS
  • Related Article
  • Product Description of PERMABOND® 743
  • Features of PERMABOND® 743
  • Surface preparation
  • About Prostech

Product Description of PERMABOND® 743

PERMABOND® 743 is a flexible cyanoacrylate adhesive, exhibiting improved peel strengths when compared to other grades. It has excellent impact and vibration resistance, and is suitable for bonding dissimilar materials which could be subject to thermal shock or thermal cycling. 743 is best suited to flexible substrate materials and is ideal for bonding silicone when used in conjunction with Permabond Polyolefin Primer (POP).

Permabond® Flexible Cyanoacrylates includes: Permabond 741, Permabond 743, Permabond 743HT, Permabond 748.

Features of PERMABOND® 743

  • Low viscosity
  • Flexible, soft material
  • High elongation
  • Easy to apply and dispense
  • Contains no solvent

Surface preparation

Surfaces should be clean, dry and grease-free before applying the adhesive. Use a suitable solvent (such as acetone or isopropanol) for the degreasing of surfaces. Some metals such as aluminium, copper and its alloys will benefit from light abrasion with emery cloth (or similar), to remove the oxide layer.

See All Permabond Product Here

About Prostech

Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.

With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:

  • Provide quotation, sample, TDS/MSDS, and technical consultation
  • Testing sample quality and verifying product compatibility in our laboratory
  • Customizing material formulas for special applications
  • Adapting product sizes, quantities, and packaging to meet specific needs
  • Offering expert advice on suitable equipment and automation processes
  • Delivering technical training and on-site support for optimal product use

Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.

Physical Properties of Uncured Adhesive

Chemical composition Cyanoacrylate
Appearance Colourless liquid
Viscosity @ 25°C 2-3 mPa.s (cP)
Specific gravity 1.1

Typical Curing Properties

Maximum gap fill 0.5 mm / 0.02 in
Fixture / handling time* (0.3 N/mm² shear strength is achieved) NBR Rubber: 2-7 secs
PC: 10-20 secs
EPDM: 10-20 secs
Silicone (+POP Primer): 2-5 secs
ABS: 2-7 secs
PVC: 2-7 secs
Steel: 1-5 secs
Full strength 24 hours

Typical Performance of Cured Adhesive

Shear strength (ISO4587) Steel 0.5-1.5 N/mm² (70-220 psi)
PC 6-8 N/mm² (870-1200 psi)**SF
Acrylic 2-3 N/mm² (290-435 psi)
ABS 1-2 N/mm² (145-290 psi)
PVC 1-2 N/mm² (145-290psi)
Hardness (ISO868) ~60 Shore A
Elongation at break (ISO37) 300-500%

 

Overview Characteristics of Permabond Flexible Cyanoacrylate Adhesive:

Product Key Features Viscosity Elongation Shore Hardness Fixture Time Shear Strength
741 Fast drying 2-3 cP 100-150% ~D50 2-5 seconds 3-4 N/mm² (ABS), 6-8 N/mm² (Polycarbonate), 6-8 N/mm² (Steel)
743 High elongation 2-3 cP 300-500% ~A60 2-7 seconds 1-2 N/mm² (ABS), 6-8 N/mm² (Polycarbonate), 0.5-1.5 N/mm² (Steel)
743HT High elongation/Thixotropic 2-20,000 cP 300-400% ~A60 5-10 seconds 2-4 N/mm² (ABS), 4-6 N/mm² (Polycarbonate), 1-2 N/mm² (Steel)
748 High strength on metals Thixotropic Gel 50-80% ~D30 3-6 seconds 2-4 N/mm² (ABS), 5-7 N/mm² (Polycarbonate), 8-12 N/mm² (Steel)

 

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