Supex PU 25 Sealant

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Product Description

Supex PU 25 PU Sealant is a high-quality multipurpose non-sag one-part Polyurethane sealant   that   cures   on   exposure   to atmospheric moisture to form a durable elastomer. Supex PU 25 has been specially developed for Indian subtropical conditions ,it is most suitable in high temperature & extreme humid conditions. It is used for Bonding & sealing for Bus Body, Rail Coaches, other automotive applications.

Characteristics Of Supex PU 25 PU Sealant

  • Bonds well to a wide variety of substrates.
  • Excellent resistance to many chemicals.
  • Can be over-painted & non-sag consistency.
  • Especially developed for automotive and bus industry, bodywork, container applications.
  • Suitable for making permanent elastic seals of high adhesive strength.
  • Good resistance to aging, weathering – suitable for indoor and outdoor.
  • Vibration and sound damping properties.
  • Sandable & over-paintable with many water, solvent based paints

Where Can It Be Used?

  • Sealing & Bonding in automotive industry
  • General coach-building, caravans & motorhomes assembly and repairing.
  • Bus Body & truck industries.
  • Thermal & acoustic insulation technology in refrigeration, air-conditioning.
  • Suitable substrate materials are timber, metals, particularly aluminium , sheet steel , metal primers and paint coatings , ceramic materials and plastics.
  • For elastic bonding to untreated metals & plastics the use of Primers is recommended.

How To Apply Supex PU 25 PU Sealant

  • Before application, make sure that the surface is free from dust and grease. This will otherwise inhibit the process of application of the sealant.
  • We recommend that you conduct a preliminary compatibility test before proceeding to use the sealant for its desired purpose.
  • Apply the sealant evenly. If required, use masking tape to mark the areas of application. Before it cures, make sure to remove the tape.
  • The ratio of the joint width to the depth ratio should be 2:1.
  • It is recommended to use a backup material if you feel like joint adjustment is required.
  • You may use backer rods and bond breakers to facilitate the adhesion. It should adhere only to two surfaces of the joint.
  • Take care to follow the standard industrial application procedures. Clean the fun after use before giving the sealant time to cur

Packing , Shelf Life

Colour: Black, White,  Packaging: 600ml sausage

Shelf Life : 12 months from Date of Manufacture , store away from Sunlight and Between 5-30 C. 

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