Dolphin WS- 525 Silicone Sealant

Dolphin WS- 525 Silicone Sealant is a specified , premium performance weather sealing product specially designed for general glazing and weather sealing in curtain wall and building facades. Excellent weatherability, virtually unaffected by sunlight, rain, snow, ozone. Excellent unprimed adhesion to a wide variety of construction materials and building components. Ease of application, ready to use and has low string upon gunning.

Application

Ideal for expansion, connection, perimeter and other movement joints, Neutral cure - suitable for use on coated glass, galvanized steel, masonry, and other porous and non- porous substrate, Extension compression movement capability of up to +/ - 50 % of the original joint width.

Application instruction

Ensure that the surface to be sealed is clean, dry, sound and grease free. Porous substrates such as concrete, brickwork, mortar etc must be mechanically cleaned of loose particles using a steel brush, sanding disc or any similar means.

Storage and Shelf life

When stored in original unopened container at/or below 25ºC Dolphin WS- 525 Silicone Sealant (Weather Proofing Sealant) has a shelf life of 12 months from the date of Manufacturing. Containers should always be kept sealed when not in use. After a container has been opened and the entire contents have not been used, extrude 3/8’’ of material pass nozzle opening. When ready to use, pull out cured plug. Sealant is ready to use.

Packing

Application Video

Dolphin WS- 525 Silicone Sealant (WeatherProofing Sealant) is available in HDPE cartridge, 200 Liter drum, 550 ml and 600 ml sausages.

 

Typical Properties

Values

Color

Black and White. RAL colors are available upon request.

Skin Over Time

10 -15 min

Tack Free Time

20 - 25 min

Specific Gravity

1.35±0.01 g/cm3

Hardness

25-30 points

Depth Cure

> 2.0/ Day

Viscosity Flow

Non sag

Tooling Time

25 min

Shrinkage

? 05 %

Tensile Strength

0.90-1.10 Mpa

Elongation Approx

>700%

Service Temp

-50 up to 250°C

Young’s Modulus

0.20-0.30 MPa

 

 

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