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Note: $30 charge on all Polylok drop ship orders
Mandrels
Our mandrels are made from a polypropylene composite which allows the mandrels to maintain their shape even during the most demanding applications. Each time you cast a Polylok Seal into your tank, you can be assured you will get a watertight connection. Our mandrels will accommodate 2.5" - 6" wall thickness. We provide free mandrels with your initial order of Polylok Seals. We will also cut your mandrels to fit your form at no additional charge.
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