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CHENHUA CH-860 PU Windscreen Sealant

CHENHUA CH-860 PU Windscreen Sealant

  • Category:Silicon sealant

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  • Release date:2015/11/16
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CHENHUA CH-860 PU Windscreen Sealant

CH-840 PU windscreen sealant is a sealant with one-component moisture curable polyurethane sealant, have good adhesive sealing performance with many kinds of material, not only has good elasticity, but also has the advantages of resistance to aging, water resistance, oil resistance, etc, the performance of low temperature and vibration fatigue is particularly prominent, when used as sealant, can reduce vibration and noise in the car, the surface can spray paint.

Applicable scope

Bonding of the glass of automobile side/rear window.

Bonding of automotive windshield glass.

Technical Index

Surface   drying time (min)

30max

Curing   speed (mm/24h)

4min

Density (g/cm3)

1.20±0.05

Hardness(Ha)

45min

Tensile strength (MPa)

3.0min

Elongation at break %

400min

Shear strength (MPa)

2.5min

Construction Guide

At room temperature, CH-840 is easy to squeeze out by manually,or pneumatic rubber gun, before use, make sure the surface is clean, dry, no oil, no water ,no dust, etc, the corrosion surface rust treatment should be done, exposure to sunlight or ultraviolet light can easily become yellow, but seldom effect the sealant performance, for the appearance use, proposed to spray paint. Additional gum or contaminated site can be used in CH-M1 or alcohol wipe before curing. Construction environment with 65-70% RH would be better at 10-40 centigrade.

Packing

310ml standard aluminum tube, net weight 345g/pcs, 12pcs/box

400ml or 600ml soft bag, 20pcs/box.

Storage

Stored in dry environment under 25 centigrade, if qualified could be used after expiry date.


Related Tags:siliconesealant

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