LaSeal 976 Waterproof Anti-mildew MS Polymer Sealant
Main purposes
1.For sealing doors and windows;
2.Interior and outdoor using, Weatherproof ;
Characteristics
1.Outstanding anti-mildew property.
2.Excellent mechanical property: 20 class high modulus, long lasting anti-mildew ability.
3.Excellent adhesion to most decoration materials.
4.Good anti-aging and weatherproof ability.
5.Environment friendly, ultra low VOC, odor free.
6.Can be painted over with most surface coatings (compatibility tests recommended)
Application
1.Waterproof anti-mildew sealing;
2.Sealing joints of glass, marble, stone, etc. in kitchen, bathroom, washing room, etc.
3.Sealing joints in high humidity environment.
4.Sealing and Closing edge for corners of indoor decoration.
5.Perimeter glazing for windows and doors;
Technical Data Sheet(TDS)
Technology data:The following data are only for reference purpose, not intended for use in preparing specification
LaSeal 976 Waterproof Anti-mildew MS Polymer Sealant
Standard:
Meets or exceeds the requirements of the following specifications:
The requirements of VOC content specifications in LEED credit EQc4.1
“Low-emitting products” of SCAQMD rule 1168.
The French VOC requirements for class A+
CE marked for EN 15651 for façade applications.
Item | Data |
Chemical Base | MS Polymer Based |
Curing Mechanism | Moisture Curing |
Color | White/Black/Grey |
Density | 1.4±0.1 gr/ml |
Tack Free Time ≤ 1h | 10-20 min (23°C and %50 R.H.) |
Cured depth (24hours) | ＞3.5mm (23°Cand %50 R.H.) |
Cured depth (24hours) | ＞3.5mm |
Tensile Strength | ≥2.3MPa |
Elongation at break | ≥300% |
Shear stress | 2.5MPa |
Tear propagation | 15 N/mm |
100% Tensile Modulus | ≥1.8MPa |
Shore A Hardness | 45-55A |
UV resistant | Excellent |
Press Ratio | ＞350ml/min |
Your company | ≤ 1.5% |
Service Temperature | +5°C to +35°C |
Application Temperature | -50℃~120℃ |
Shelf life | 12 months |
Curing condition of the sample :23℃×50%RH×14 days | |
Limitations
● Avoid operating below +5 °C and above +35 °C.
● Do not apply on curing silicones.
● Minimum depth for working joint is 6 mm.
● Maximum expansion and contraction should not exceed 25% of average joint width.
Surface Preparation
● The recommended cleaning process and materials are as follows.
● Glass Degrease with alcohol or MEK
● Aluminium, light alloys and stainless steel Degrease with alcohol or MEK
● Other Metals Lightly abrade then degrease as above
● Wood Lightly abrade surface then remove dust
● Plastics Degrease using an agent recommended by plastics manufacturer
● Concrete and other alkaline Surfaces Brush and remove dust
Instruction
9.Joint width/depth ratio should be 2:1.
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 +5 degree C and +25 degree 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 ℃.