My-T-Sil 920

My-T-Sil® 920 is a one part neutral cure weather proofing silicone sealant. It cures at room temperature by reaction with moisture in the air to a durable, flexible silicone rubber seal.

  • My-T-Sil 920 silicone has medium modulus characteristics and excellent unprimed-adhesion to most construction materials.
  • It is also suitable as a remedial sealant to replace failed organic sealant.

Pack Size:

My-T-Sil® 920 is ideally available in

  • 300 ml cartridge
  • 600ml sausage

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Product Features & Benefits

 My-T-Sil® 920 silicone weatherproofing sealant is designed for sealing expansion and control joints, precast concrete panel joints, non-structural curtain wall mullion joints, stress cracks and joints in parallel walls.


Sr No Properties Value
1.) Appearance Black/White/Grey Paste
2.) Cure Neutral
3.) Specific Gravity @ 25±2°C 1.3 ± 0.05
4.) Viscosity Non-slump
5.) Skin over Time 7-12 minutes
6.) Tack Free Time 15-20 minutes
7.) Tensile Strength ASTM D412 1.3-3.5 N/mm2
8,) Elongation ASTM D412 400-600 %
9.) Hardness (Durometer Shore A), ASTM D2240 30-45
10.) Operating Temperature -55 to 300 °C