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PERMABOND® MT3809 Modified Two-Part Epoxy

  • Product code: PERMABOND® MT3809
  • Manufacturer: Permabond
  • Package size:
  • Shelf Life:

 

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PERMABOND® MT3809 is a 10:1, two-part, modified epoxy adhesive designed for potting applications. It has excellent adhesion to Nylon, ABS, Polycarbonate and other plastics. When cured, this adhesive is soft and reasonably flexible. Its low viscosity makes it suitable for potting intricate parts.

FEATURES AND BENEFITS

  • Adhesion to a wide variety of substrates
  • Full cure at room temperature
  • Easy to apply        
  • Soft & flexible           
  • Self levelling
  • Low viscosity

Physical Properties of Uncured Adhesive

 

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

Typical Curing Properties

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

Typical Performance of Cured Adhesive

 

 

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)

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