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Foam tapes (Gaskets) - KPA

Foam tapes (Gaskets)

OUR SERVICESFoam tapes are intended to optimize the aesthetic design and overall performance of the duct system design by providing sound dampening, insulating of the duct material, gasketing of the seals, padding, and sealing.

Different categories of Foam tapes are : Open Cell Foam made of Polyester Urethane, Closed Cell made up of Silicone Foam or Neoprene Sponge Blend and Solid Rubber made up of Natural Rubber or Neoprene Rubber.

Foam tapes are extremely versatile and effective and are used in various industrial and commercial places. It is used for a variety of applications especially in the HVAC system like:

  • Gasketing of duct edge
  • Duct Sealing
  • Duct Cushioning
  • Mounting
  • Duct Insulation

Foam Gaskets are of two types Open Cell and Closed Cell

Open Cell Foam gasket:

It is generally made out of polyurethane and is an extremely light, flexible, and very adaptable foam. Being flexible with open cells it has a very low compression, and can be compressed highly when compressed or weighed down by mechanical ventilation equipment and will return back to its form and shape. These should be used in systems with high vibration or shock operations. These can effectively seal a duct and remove all the extra dirt and debris.

Closed Cell Foam Gasket:

It is comparatively more durable and sturdy as it has compressed cells than an open cell foam. These foams are highly useful for outdoor application as the cells are closed and tight making it water resistant. Though it is much tougher than an open cell gasket, it loses its shape over time due to higher compression.

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Most common type of foams used are:

Silicon foams:

These foams are used for sealing applications or cushioning and can be used for operations like outdoor sealing, vibration protection,sealing of electronic equipment and protection from heat and shock from.

Polyurethane Foam:

It is an open cell foam. It is very durable and simple to work with. It can be used for thermal and acoustic insulation and as a dust sealing applicant.

Polyethylene Foam:

This type of foam is a closed cell type. It is highly useful for mold and fungus resistance and  works for the removal of grease and chemicals. It is also useful for thermal resistance and works as a vibration Isolator.

Neoprene Foam:

Neoprene Foam is a closed type foam with a low density material. It is softer than Polyethylene Foam and is also very durable. It is applicable in places with high moisture as it absorbs the water and  works as a moisture insulator.

This information about Foam tapes can help you decide about the type of foam required for your need and will introduce you to a better insulation guide for your duct system.
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