Two component polyurethane glue for aluminum honeycomb panel

Product Description

4141(WCH2-1)

Two component polyurethane adhesive

Parameter

A component

B component

Before mixing

Appearance

White viscous liquid

Brown liquid

Density [g/cm3]

1.25±0.1

1.22  1.24

After mixing

Mixing ratio

4

1

Initial setting stage

30Minute

Curing time

7hour

Initial viscous formation

5 to 8 hours at room temperature

Ultimate viscous formation

5 to 7 days at room temperature

Full cure

7 days later

Test results (unit Mpa, aluminium/aluminium bonding):

1. Tensile Strength Change during Curing (25℃)

First day

The second day

The forth day

Seventh days

8.1

9.4

10.5

13.7

2. The curing process at other temperatures (room temperature is recommended)

temperature

Curing Strength (When Components Return to Normal Temperature)

73℃ below zero

24

25℃

13.7

50℃

12

70℃

8.2

100℃

8