PERMABOND® 943 Cyanoacrylate

PERMABOND® 943 is a low odour, non-fogging, non- frosting alkoxyethyl cyanoacrylate. The reduced odour improves worker comfort. Unsightly fogging adjacent to bondlines, common with other cyanoacrylate adhesives on hot and humid days, is eliminated. The elimination of fogging improves the production rate of acceptable parts as well as their appearance. The adhesive is very stable and will provide optimum performance for one year when refrigerated.

FEATURES AND BENEFITS

Low odour for improved worker comfort
Non-frosting –good aesthetic appearance
Ease of use – no mixing or heat cure
Bonds most materials
100% reactive, no solvents

Physical Properties of Uncured Adhesive

Chemical composition	Alkoxyethyl cyanoacrylate
Appearance	Colourless
Viscosity @ 25°C	90-110 mPa.s *(cP)*
Specific gravity	1.1

Typical Curing Properties

Maximum gap fill

0.15 mm 0.006 in

Fixture / handling time* (0.3 N/mm² shear strength is achieved)

5-10 seconds (PVC)

5-10 seconds (Phenolic resin) 5-10 seconds (ABS)

<5 seconds (Neoprene / NBR) 10-15 seconds (Steel)

10-15 seconds (Aluminium)

30-40 seconds (Zinc)

Full strength

24 hours

Typical Performance of Cured Adhesive

Shear strength* (ISO4587)	Steel 16-20 N/mm² *(2300-2900 psi)* Aluminium 8-9 N/mm² *(1200-1300 psi)* Zinc 8 N/mm² *(1200 psi)* ABS >6 N/mm² *(900psi)* SF PC >5 N/mm² (700 psi) SF Phenolic 4 N/mm² *(600psi)*
Impact Strength (ASTM D-950)	3-5 kJ/m² *(1.4-2.4 ft-lb/in²)*
Dielectric Strength (DIN 53481)	25 kV/mm
Dielectric Constant @ 1MHz (DIN 53483)	3
Hardness (ISO868)	85 Shore D
Coefficient of thermal expansion	90 x 10-6 mm/mm/°C
Coefficient of thermal conductivity	0.1 W/(m.K)

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