Dolphin Neutraseal 500 Silicone Sealant

Dolphin Neutraseal 500 Silicone Sealant is a one part , non-slump, moisture curing RTV that cures to form a tough, high modulus rubber with a long term flexibility and durability. It is ideally suited for use in confined work areas since no objectionable odors are evolved.


OEM applications (depending on substrates), RV construction, Confined work areas that require less odor, General sealing and waterproofing, General construction, Vinyl, Aluminum and metal siding, Metal building and portable housing applications, glazing

Application instruction

The substrate areas that will be in contact with sealant must be clean, dry and free of all loose materials, dust, dirt, rust, oil and other contaminants. Non – porous substrates should be cleaned with a solvent and a clean, lint - free, cotton cloth. Wipe dry immediately with another such cloth before the solvent evaporates from the surface.

Storage and Shelf life

When stored in original unopened container at or below 25°C, Dolphin Neutraseal 500 Silicone Sealant has a shelf life of 18 months from 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 Neutraseal 500 Silicone Sealant is available in HDPE cartridge, 200 Liter drum, 550 ml and 600 ml sausage types.


Typical Properties
Dolphin Neutraseal 500 Silicone Sealant is available in Black, Clear and White color.
Skin Over Time
?10 min
Tack Free Time
?15 min
Specific Gravity
1.02±0.01 g/cm3
?30 Shore A
Depth Cure
> 2.4/ Day
Viscosity Flow
Non sag
Tooling Time
10 min
Tensile Strength
1.10-1.20 N/mm2
Elongation Approx
>700 %
Service Temp
-40 upto 250°C
Young’s Modulus
0.30 MPa


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