Antas-169-25 Structural Silicone Sealant

Antas-169-25 Structural Silicone Sealant

Antas-169-25 Structural Silicone Sealant

Antas-169-25 Structural Silicone Sealant

Packaging : 300mL, 590mL
Antas-169-25 is an one component, neutral curing, silicone structural sealant, specifically designed for use with construction of glass curtain walls. It exhibits high modulus, high strength and high elasticity, resulting in excellent adhesion and weather resistance. Once cured, antas 169-25 provides long-term structural adhesive sealing.
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Product feature
  1. Easy to use with good tooling and non-sagging properties from 5°C to 45°C
  2. Excellent adhesion to most building materials
  3. Excellent weather durability, resistance to UV and hydrolysis
  4. Wide range of temperature tolerance, with good elasticity within -50 to 150°C
  5. 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
Standards compliant
ASTM 1184
ETAG 002
GB16776-2005
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 Horizontal，mm， No deformation No deformation
Vertical，mm， ≤3 0
3 Extrudability, s ≤10 1.4
4 Tack free time，h ≤ 3 1.5
5 Hardness, Shore A 20~60 41
6 Heat deterioration Mass loss, % ≤10 4.5
Crackle No crackle No crackle
Powdering No powdering No powdering
7 Tensile adhesion 23℃ Tensile strength, MPa ≥0.60 1.64
Damage area of bonding, % ≤5 0
Elongation at largest tensile strength, % ≥100 375
90℃ Tensile strength, MPa ≥0.45 0.94
Damage area of bonding, % ≤5 0
-30℃ Tensile strength, MPa ≥0.45 2.13
Damage area of bonding, % ≤5 0
After water immersion Tensile strength, MPa ≥0.45 1.50
Damage area of bonding, % ≤5 0
After water & UV-radiation Tensile strength, MPa ≥0.45 1.20
Damage area of bonding, % ≤5 0
8 Tensile modulus 23℃ Elongation is 10%, MPa --- 0.22
Elongation is 20%, MPa --- 0.33
Elongation is 40%, MPa --- 0.49
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 40℃ or below 10℃.
  4. In continuous water immersion or on the surface with fog, or wet surface, or in continuous wet place
  5. On paint surface.