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Butyl Sealant for Insulating Glass Primary Seal

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Product Description

Description

Solvent-free, one-component primary sealant.

1. Fog-free, un-sulfurized, permanent plastic primary sealant based on polyiso-butyl

for insulating glass.

2. With very low water vapour and gas permeability for interior sealing of insulating

glass units.

3. It has good adhesion to glass, aluminum alloy and galvanized or stainless steel. It

could form an excellent humid proof system with elastic sealant.

4. Good ageing resistance.

 

Typical properties (for reference)

Item

Test result

Color:

Black

Specific gravity

1.15~1.20g/cm3

Solid content

100%

Temperature resistant range

-40°C~130°C

Maximum temperature bearable

150°C

Fogging

Without visual fogging

Shear strength

0.12Mpa

Water vapor transmission rate

0.10 g/m2.d

Thermal weight loss

Max. 0.04%

 

Where to use

This sealant is mainly used for insulating glass together with two-part silicone sealant(or polysulfide sealant) for insulating glass to finish two layer seal.

 

Application

Clean and dry adhesion surface to get rid of dirty, oily things. This sealant is applied by special hot-melt butyl extrusion machine. The extrusion condition could be satisfied through temperature and pressure adjustment, for example temperature could be adjusted over the range of 100°C~130°C. The environment temperature should not

be lower than 10°C in application.

 

Standard

This sealant conforms to JC/T 914-2003

 

Packing

Paper drum: 7kgs/barrel

 

Storage

-10°C~35°C, shelf life of 24 months at least.

This sealant is not dangerous products and could be transported by train, automobile, ship and airplane.