Antas-168-25 Two-Component Structural Silicone Sealant

Packaging : 189L+19L, 180+18L

antas-168 is two-component, neutral curing silicone structural sealant. It is specially designed for structural glazing in Curtain Wall. It has excellent performance of structural glazing and weather-resistant, and can be used in broad temperature range with excellent structural sealing.
Product feature
1.Adjustable curing speed, fast solidification, suitable for continuous operation
2.Excellent weather durability, resistance to UV and hydrolysis
3.Wide range of temperature tolerance, with good elasticity within -50 to 150°C
4.Compatible with other neutrally cured silicone sealants and structural assembly systems
Main purpose
1.Structural bonding of glass curtain wall
2.Structural bonding of other curtain wall
3.Structural bonding for industrial purposes or other buildings
4.Secondary sealing of structural insulating glass
Standards compliant
ASTM C1184
Technical parameters
Number Test items Standard Ordain Measured value
1 Appearance Even, exquisite paste, No bubble, no skinning, no gel Even, exquisite paste, No bubble, no skinning, no gel
2 Sag degree Horizontalmm No deformation No deformation
Verticalmm ≤3 0
3 Applicable period Mixing time, min ≥20 25
Extrudability, s ≤10 3
4 Tack free timeh ≤ 3 1
5 Hardness, Shore A 20~60 41
6 Heat deterioration Mass loss, % ≤10 2.5
Crackle No crackle No crackle
Powdering No powdering No powdering
7 Tensile adhesion 23℃ Tensile strength, MPa ≥0.60 1.26
Damage area of bonding, % ≤5 0
Elongation at the largest tensile strength, % ≥100 273
90℃ Tensile strength, MPa ≥0.45 0.82
Damage area of bonding, % ≤5 0
-30℃ Tensile strength, MPa ≥0.45 1.80
Damage area of bonding, % ≤5 0
After water immersion Tensile strength, MPa ≥0.45 1.15
Damage area of bonding, % ≤5 0
After water & UV-radiation Tensile strength, MPa ≥0.45 1.17
Damage area of bonding, % ≤5 0
8 Tensile modulus 23℃ Elongation is 10%, MPa --- 0.19
Elongation is 20%, MPa --- 0.31
Elongation is 40%, MPa --- 0.48
Use restrictions
  1. On the surface of substrate that bleeds oil, plasticizers or solvents and so on(such as impregnated wood).
  2. In totally confined spaces.
  3. When substrate surface temperature beyond 40º C or below 10º C.
  4. In continuous water immersion or on the surface with fog, or wet surface, or in continuous wet place.
  5. On paint surface.