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Two component polysulfide insulating glass adhesive
keyword: Two component polysulfide insulating glass adhesive
- DESCRIPTION
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Product introduction
Two-component polysulfide insulating glass sealant is a two-component, neutral curing polysulfide sealant designed to meet the requirements of insulating glass structure assembly, with high strength, good adhesion, aging resistance and high and low temperature resistance. When used, a special two-component gluing machine is used for construction, and the two components are mixed in accordance with the specified proportion to form an elastomer.Product characteristics
(1) High strength, the standard of tensile strength under various conditions is 1.5 times of the national standard; Good adhesion, can form a good bond with all kinds of glass, spacer bar; High modulus, can maintain the structural stability of insulating glass for a long time;
(2) neutral curing, non-corrosive to metal, coated glass and other building materials;
(3) Two-component, adjustable curing speed, deep curing fast, suitable for factory construction; Low molecular alcohol substance is released during assimilation, no irritating or unpleasant odor;
(4) Excellent weather aging resistance, aging resistance, ultraviolet resistance, ozone resistance, water resistance;
(5) Excellent high and low temperature resistance, after curing at a low temperature of -50 ° C will not become brittle, hardening or cracking, at a high temperature of +150 ° C will not become soft, degradation, always maintain good strength and elasticity, with other neutral silicone rubber has good compatibility.the main use: insulating glass structure bonding seal.
Restrictions on use
(1) It should not be used for all materials that will seep grease, plasticizers or solvents, such as the surface of oiled wood;
(2) Not suitable for frosty or wet surfaces;
(3) It should not be used in places that are continuously flooded or wet all year round:
(4) When the surface temperature of the material is lower than 10 ° C or more than 40 ° C, it is not suitable for construction.curing time
The mixing ratio of two-component insulating glass sealant is A:B=9-11:1(volume), and the recommended mixing ratio is A:B=10:1(volume). Increasing the proportion of component B can improve the curing speed, but it should not exceed the above proportion range, otherwise it will cause abnormal curing or lead to a decline in the performance of hollow glue.Two-component insulating glass sealant special for insulating glass assembly) After the two components are mixed, the entire colloid begins to cross-link. The curing process is not affected by external humidity, and its surface drying time is related to the mixing ratio of A and B components. A stripping bond test should be carried out on insulating glass to determine whether the adhesive and the substrate have formed a good bond.
Instructions for use
(1) It is recommended to mix A and B components evenly before sizing, and users can also adjust the curing speed according to actual needs by changing the mixing ratio (volume ratio 8:1-12:1).
(2) The compatibility test of adhesive materials should be carried out before use, and the construction can only be confirmed after passing.
(3) In the outdoor high temperature environment, the substrate surface temperature exceeds 40℃ should not be constructed.Maintenance
Generally do not need to maintain, if the sealant seam is broken, replace the damaged part, only need the solvent to remove the accumulated dirt, and then fill with sealant, can be well adhered to the cured sealant
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