Dolphin WS-530 Neutral Silicone Sealant

Dolphin WS-530 Neutral Silicone Sealant is a one component neutral curing low modulus construction and concrete silicone sealant. It is particularly suitable for interior and exterior applications , such as external weather seals, expansion joints and perimetral joints in buildings and other types of constructions.


Durable adhesion to range of porous and non- porous surfaces, Suitable for curtain walling, Excellent adhesion to wide range of applications, Sealing dynamically moving joints such as expansion and control joints, concrete panel joints, Tilt up panel joints, curtain wall joints, Perimeter caulking (windows, door panels and frames)

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- 530 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.


Application Video

Dolphin WS- 530 Neutral Silicone Sealant (WeatherProofing Sealant) is available in HDPE cartridge, 200 Liter drum, 550 ml and 600 ml sausages.


Typical Properties
Available in Black and White color
Skin Over Time
15 – 20 min
Tack Free Time
35 – 40 min
Specific Gravity
1.30 ± 0.02
25 - 30 Shore A
Depth Cure
> 2.2/ Day
Viscosity Flow
Non sag mm
Tooling Time
40 min
? 05 %
Tensile Strength
1.00 - 1.20 MPa
Elongation Approx
? 500 %
Service Temp
-25 upto +50
Young’s Modulus
0.25 - 0.30


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