Product Description：

Onesil – V21 Construction Weatherproof Neutral Silicone Sealant is a cost-effective, neutral, elastic one- component silicone-based joint sealant.

Applications:

• Building and construction joints


• Glazing works and top sealing for glazing jobs


• Weather sealing and trade applications


• General purpose joint sealing


• Sealing for ducts


• Sealing in roofs

Application method:

Application method: With manual or pneumatic caulking gun.

Cleaning: Clean with white spirit or surface cleaner immediately after use (before curing).

Finishing: With a soapy solution before skinning.

Repair: With the same material.

Packaging: 

300 ml cartridge or 750 ml sausage,24pcs / carton,

Colour: White/Black/Grey/Customization

Shelf life:

12 months in unopened packaging in a cool and dry storage place at temperatures between +5°C and +25°C.

Technical data:

Basis	Polysiloxane
Consistency	Stable paste
Curing system	Moisture curing
Skin formation* (23°C/50% R.H.)	Ca. 27 min
Curing speed * (23°C/50% R.H.)	Ca. 2.5 mm
Hardness**	Ca. 34 Shore A
Density**	Ca. 1.48 g/cm³
Elastic recovery (ISO 7389)**	> 80 %
Maximum allowed distortion	25 %
Max. tension (ISO 37)**	Ca. 1,35 N/mm²
Tensile Modulus 23℃（Mpa）	0.65
Elongation of Rupture (ISO 37)**	400 %
Temperature resistance**	-60 °C → 150 °C
Application temperature	5 °C → 35 °C

* These values may vary depending on environmental factors such as temperature, moisture, and type of substrates.

** This information relates to fully cured product.