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PERMABOND® PT321 Polyurethane Adhesive Prostech Vietnam

PERMABOND PT321 Polyurethane Adhesive

  • Product code: PERMABOND® PT321
  • Manufacturer: Permabond
  • Package size: 50 ml
  • Shelf Life:

 

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PERMABOND® PT321 is a 2-part, room temperature curing polyurethane adhesive. It is ideal for use on a wide variety of substrate materials including metals, plastics and composites.

FOR INDUSTRIAL USE ONLY

FEATURES AND BENEFITS

  • Adhesion to a wide variety of substrates       
  • Cures at room temperature
  • Easy 1:1 mix ratio
  • Good resistance to impact and vibration
  • Thixotropic, non-slump rheology

Physical Properties of Uncured Adhesive

 

PT321 A

PT321 B

Chemical

composition

Polyurethane

Isocyanate

Appearance

Black

Cream

Viscosity @

25°C

4000-8000 mPa.s (cP)

Thixotropic

3000-6000 mPa.s (cP)

Thixotropic

Specific Gravity

1.25

1.45

Typical Curing Properties

Ratio of use

1 : 1 by volume

Maximum gap fill

5 mm (0.2 in)

Pot life

60-90 seconds

Handling time (steel) ISO4587

(0.3 N/mm² shear strength is

achieved)

10-15 minutes

Full cure

@23°C: 24 hours

@90°C: 30 minutes

Typical Performance of Cured Adhesive

Shear strength* (ISO4587)

Zinc: 6-8 MPa (900 -1200 psi)

Steel: 18-25 MPa (2600 -3600 psi)

Carbon fibre: 6-8 MPa (900 -1200 psi)

Tensile strength (ISO37)

20-25 MPa (2900-3600 psi)

Elongation at break (ISO37)

<10%

Hardness (ISO868)

70-80 Shore D

Coefficient of thermal expansion (ASTM D-

696)

85 x 10-6 1/K

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