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Fosroc Expancell

Closed cell polyethylene joint sealant back-up cord

Fosroc 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.

100 ML


 Expancell is a closed cell polyethylene foam supplied in
circular cord lengths for use as a back up material for joint
sealing applications. Expancell is available in a variety of
sizes ranging from 6mm to 50mm in diameter suitable for
the most commonly encountered joint dimensions.

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