PERMABOND MT3809 Modified Two-Part Epoxy

MT3809A

MT3809B

Chemical

composition

Epoxy based resin

Polyamine based

hardener

Appearance

Grey

Black

Mixed appearance

Charcoal black

Viscosity @ 25°C

20rpm: 6,000 –

10,000 mPa.s (cP)

2rpm: 15,000 –

25,000 mPa.s (cP)

5,000-10,000

mPa.s (cP)

Specific gravity

1.3

1.1

Mix ratio

10:1 by volume

12.5:1 by weight

Usable / pot life @25°C

10-12 mins

Handling time to

0.1 N/mm² @25°C

25-30 mins

Full cure @25°C

≥72 hours

Shear strength (ISO4587)

Mild steel: 6 – 8 N/mm² (900 – 1200 psi)

ABS: 4-6 N/mm² (600-900psi)

Acrylic: 3-5 N/mm² (400-700psi)

Nylon: 3-5 N/mm² (400-700psi)

Polycarbonate: 5-7 N/mm² (700-1000psi)

PVC: 3-5 N/mm² (400-700psi)

Hardness

(ISO868)

75-85 Shore A

20-30 Shore D

Elongation at break (ISO37)

150%

Peel strength (aluminium)

(ISO4578)

60-80 N/25mm (13-18 PIW)