antas-352 Multipurpose Modified Silicone Sealant

Model : antas-352
Packaging : 600ml/sausage
Brand : antas
Place : Guanzhou, China

antas-352 is one-component, low-modulus, neutral curing modified silane sealant based on α-Silane-Terminated Polyether technology. It combines excellent performances of both PU and silicone sealants. It is 35% movement capacity,15 years service lifetime.
Product feature
1.Excellent mechanical property with high strength and elasticity.
2. Excellent adhesion to most building materials.
3. Good surface painting feasibility.
4. Excellent performance of aging, heat and humidity resistance.
5. Safe and environmentally friendly with low VOC and no cyanate ester.
6. The cured sealant can be immersed in water continuously.
Main purpose
1.Widely used on the sealing of fabricated walls.
2. Perfect designed for the sealing of wood, stone, glass, concrete, plastic, FPC and other nonmetallic materials.
3. Widely used for the sealing of aluminum alloy, stainless steel, cast iron, stainless iron and other metallic materials.
4. Successfully applied to airfield pavement , concrete ,runways, highways, bridges, etc.,
5. Successfully applied to cars, buses, shipping and other transportation tools.
Standards compliant
EN ISO11600:2003
ASTM C920-18


*GB: Chinese National Standard
ASTM: American Society for Testing and Materials
ISO: International Standardization Organization
Technical parameters
Technical parameters
No. Test items GB/T 14683-2017 index
Stand Ordain
Test result
1 Appearance Even, exquisite paste, Even, exquisite paste,
no bubble, no skinning, no gel no bubble, no skinning, no gel
2 Density, g/cm3 Specified value±0.1
3 Sag degree, mm ≤ 3 0
4 Tack free time, h ≤24 1
5 Extrudability, ml/min ≥ 150 576
6 Tensile at permanent deformation, % ≥ 70 90
7 Tensile Modulus,  MPa 23ºC ≤0.4 0.3
-20ºC ≤0.6 0.3
8 Adhesion at constant load No destruction No destruction
9 Adhesion at constant load  after water immersion No destruction No destruction
10 Adhesion at constant load  after cold drawn and hot press No destruction No destruction
11 Loss of mass ≤ 5 1
Use restrictions
antas-352 should not be applied:
1. On building materials that bleed oil, plasticized or solvent, to materials such as impregnated wood, oil-based caulks, green or partially vulcanized rubber gaskets, or tapes or bituminous below-grade waterproof and asphalt-impregnated fiberboard.
2. In totally confined spaces.
3. When substrate surface temperature over45or below 5.
4. On wet surface.
5. On the surface in direct contact with food.
6. For structural glazing.