Expancell
Expancell polyethylene foam back-up cords have the ability to perform several functions. They enable the correct width to depth ratio of the sealing slot to be maintained and provide a firm backing for the sealant to be tooled. This will precipitate wetting of the sides of the joint during the sealant application thus facilitating good adhesion.
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Main uses
- Non-absorbent and rot proof, the functional performance of
- Expancell is not impaired by climatic extremes.
- Economical Easy to install Readily compressible Rot proof and non-absorbent Provides bond breaker and minimum strain shape for joint sealants Provides a firm backing for sealant tooling
Advantages
The use of Expancell will also act as a bond breaker at the base of the joint thus preventing three sided adhesion and the accompanying additional stress during joint movement.
Supporting documents for
Product Datasheet
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Product Safety Sheet
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