PERMABOND® ET515 Two-Part Epoxy

PERMABOND® ET515 is a 1:1 mixable epoxy adhesive. ET515 is a semi-flexible toughened adhesive with good adhesion to a variety of substrates such as wood, metal, ceramics and some plastics and composites. It’s a relatively fast curing epoxy; reaching handling strength in 20-30 minutes. It is ideal for bonding different materials where differential thermal expansion is anticipated.

FEATURES AND BENEFITS

Adhesion to a wide variety of substrates
Full cure at room temperature
Easy to apply
Semi-flexible
Good impact strength

Physical Properties of Uncured Adhesive

	ET515 A side	ET515 B side
Chemical composition	Epoxy Resin	Polyamine Hardener
Appearance	Colourless	Colourless
Viscosity @ 25°C	20rpm: 15,000 mPa.s *(cP)*	20rpm: 19,000 mPa.s *(cP)*
Specific gravity	1.1	1.1

Typical Curing Properties

Mix ratio by volume	1:1
Maximum gap fill	2 mm *0.08 in*
Usable / pot life @23°C	10-20 mins
Handling time @23°C	20-30 mins
Working strength @23°C	24 hours
Full cure @23°C	72 hours

Typical Performance of Cured Adhesive

Shear strength* (ISO4587)

Mild steel: 8-12 N/mm²

(1160-1740psi)

Aluminium: 9-12 N/mm²

(1305-1740psi)

Stainless Steel: 6-9 N/mm²

(870-1305psi)

Carbon Fibre: 8-12 N/mm²

(1160-1740psi)

FRP Glass/Polyester: 3-5 N/mm²

(435-725psi)

FRP Glass/Epoxy: 4-6 N/mm²

(580-870psi)

Polycarbonate: >5 N/mm²** SF

(>725psi)

PA6 30% filled: 4-5 N/mm²

(580-725psi)

Peel strength (aluminium)

(ISO11339)

100-150 N/25mm (23-34 PIW)

Hardness

(ISO868)

30-50 Shore D

Elongation at

break (ISO37)

20-40%

Glass transition temperature

20°C (68°F)

Dielectric

strength

15-25 kV/ mm

Thermal

conductivity

0.34 W/(m.K)

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