LaSeal 793 Neutral Structural Glazing Silicone Sealant
Main purposes
1.For structural glazing in glass, stone (marble, granite), aluminum curtain wall, glass roof and metal structure engineering;
2.As a secondary edge adhesive sealant; Many other uses.
Characteristics
1.KASTAR 793 belongs to RTV-1 and fast solidification products.
2.Neutral curing, non-corrosive to metal, coated glass, concrete, marble etc;
3.Excellent resistance to weather, and the service life is over 30 years in the condition of general weather;
4.Excellent resistance to low and high-temperature change.
5.Excellent adhesion to most common building material without priming.
6.Good compatibility with other neutral silicone sealants.
7.Service life over 30 years
Application
1.Structural glazing uses
2.Sealing and bonding in building construction and structure engineering.
3.Curtain wall project glass and other construction bond and seal.
4.Sealing of auto glass and windshield.
Technical Data Sheet(TDS)
Technology data:The following data are only for reference purpose, not intended for use in preparing specification
LaSeal 793 Neutral Structural Glazing Silicone Sealant
Testing Standard: GB/T14683-2003 《Silicone Building Sealant》
Item | Data |
Type | Neutral |
Density (g/cm3 ) | 1.4 |
Capacity movement | ±25% |
skin formation | 25 minutes |
Curing Rate (2mm/h) | 15 |
Drying(4mm/h) | 18-22 |
Max. Tensile strength | 1.1 |
Hardness shore A | 40 |
Elongation at Break(%) | ≥220 |
Modulus Mpa(100%) | 0.55 |
Application temperature | -5℃ to +50℃ |
Temperature resistance | -50℃ to +120 ℃ |
Adhesive | OK |
weatherproof | OK |
Cold-hot adhesive | OK |
under water adhesive | OK |
Elastical Recovery (%) | 90 |
Mass-loss Rate (%) | 4.5 |
Skin drying time and fully drying time under: 23℃ and 50% humidity | |
Limitations
1.Unsuitable for all kinds of material that can effuse grease, plasticizer, or solvent;
2.Unsuitable for the airproof location, because it is required to absorb moisture in the air to cure for the sealant.
3.Unsuitable for frosty or moist surfaces.
4.Unsuitable for the continually soggy or moist place.
5.Cannot be used if the temperature is below 40C or above 400C on the surface of the materials.
Instruction
1. Clean the base material with cloth: clean it with solvent; if in particular demand, coat the surface with paint base and let it dry completely.
2. Make sure to fill the interface with it and tightly stick it to the base material.
3. Deal with adhesion test before use and make sure of good compatibility and viscosity of products and base material.
Storage and shelf life
1.They should be protected from water, frost and adverse air conditions.
2.They should be kept dry and cool on wooden pallets at between +10 °C and +25 °C in moisture free conditions.
3.The opened products should be consumed immediately.
4.Shelf life is maximum 12 months conditional to complying with the aforementioned storage conditions.
Technical Data Sheet(TDS)
Technology data:The following data are only for reference purpose, not intended for use in preparing specification
LaSeal 731 Middle Quality Acetoxy Silicone Sealant
Item | Data |
Type | Acetoxy |
Density (g/cm3) | 0.98 |
Capacity movement | ±30% |
skinning time | 5-15 minutes |
Drying time(2mm/h) | 8-10 |
Drying(4mm/h) | 18-22 |
Max. Tensile strength | 1.3 |
Hardness shore A | 21 Judges 2 |
Elongation at Break(%) | =500 |
Modulus Mpa(100%) | 0.60 |
Application temperature | -20 C to +40 C |
Temperature resistance | -50 C to +100 C |
Adhesive | OK |
weatherproof | OK |
Cold-hot adhesive | OK |
under water adhesive | OK |
Elastical Recovery (%) | 96 |
Mass-loss Rate (%) | 35 |
Limitations：The product is not applicable to structure assembly or project whose base material has a surface temperature above 40 ℃.