PERMABOND® ET505 Two-Part Epoxy

PERMABOND® ET505 is a two-part, 1:1 mixable epoxy adhesive. ET505 is a semi-flexible toughened epoxy adhesive with good adhesion to a variety of substrates such as wood, metal, ceramics and some plastics and composites. Permabond ET505 forms tough bonds providing high peel resistance and high shear strength. The extended work life of this product allows for adjustment and makes it more suitable for larger applications.

FEATURES AND BENEFITS

Adhesion to a wide variety of substrates
Full cure at room temperature
Easy to apply
High shear and peel strength
Good impact strength
Good chemical resistance

Physical Properties of Uncured Adhesive

	ET505A	ET505B
Chemical composition	Epoxy Resin	Amine Hardener
Appearance	Colourless	Amber
Viscosity @ 25°C	14,000-28,000 mPa.s *(cP)*	10,000-25,000 mPa.s *(cP)*
Specific gravity	1.1	1.0

Typical Curing Properties

Mix ratio by volume	1:1
Maximum gap fill	2 mm *0.08 in*
Usable / pot life @23°C	1-2 hours
Handling time @23°C	3-5 hours
Working strength @23°C	24 hours
Full cure @23°C	72 hours

Typical Performance of Cured Adhesive

Shear strength (mild steel)* (ISO4587)	18-21 N/mm² *(2600 -3000 psi)*
Peel strength (aluminium) (ISO4578)	60-80 N/25mm *(13-18PIW)*
Hardness (ISO868)	65-75 Shore D
Elongation at break (ISO37)	5-10%
Glass transition temperature Tg	40-50°C *(104-122°F)*
Dielectric strength	15-25 kV/ mm
Thermal conductivity	0.35 W/(m.K)

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