LaSeal 789 Neutral Weatherproof Silicone Sealant
Main purposes
1.For weather sealing in glass curtain wall joints;
2.For weather sealing in aluminum, enamel curtain wall joints;
3.For sealing in marble (granite), concrete, tile, metal panel materials etc.;
4.Many other building & Industrial uses.
Characteristics
1.KALI 8000 belongs to RTV-1, good extrusion and thixotropy between 4°C~40°C. Easy to use.
2.Neutral curing, non-corrosive to metal, coated glass, concrete, marble and most kinds of plastic etc;
3.Quickly speed of curing, excellent adhesion, middle modulus, excellent movement capability;
4.Excellent resistance to weather;
5.Excellent resistance to low and high temperature change. Little changes of performance at -40°C ~150°C;
6.Excellent adhesive to most common building material, Special material will have better adhesive with priming;
7.Good compatibility with other neutral silicone sealants;
8.Belong to non dissolvent product, low vulcanization shrinkage and green environmental protection product.
![](https://ecdn6.globalso.com/upload/p/21/image_other/2023-11/65433f6ba5cc627924.jpg)
![](https://ecdn6.globalso.com/upload/p/21/image_other/2023-11/65433f7b0522455985.jpg)
Application
Technical Data Sheet(TDS)
Technology data:The following data are only for reference purpose, not intended for use in preparing specification
LaSeal 789 Neutral Weatherproof Silicone Sealant
Testing Standard: GB/T14683-2003 《Silicone Building Sealant》
Item | Data |
Type | Neutral |
Density (g/cm3 ) | 1.3 |
Capacity movement | ±30% |
skinning time | 10-20 minutes |
Drying time (2mm/h) | 10-14 |
Drying(4mm/h) | 18-22 |
Max. Tensile strength | 1.8 |
Hardness shore | 25 |
Elongation at Break(%) | ≥450 |
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 |
Elastic Recovery Ratio(%) | 98 |
Mass-loss Rate (%) | 9.6 |
Skin drying time and fully drying time under: 23℃ and 50% humidity |
Limitations
Instruction
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 ℃.