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Can I use a PVC (plastic) tube instead of a Sonutube (cardboard concrete forming tube)?

April 26, 2017cardboard concrete plastic PVC tube

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Can I use a PVC (plastic) tube instead of a Sonutube (cardboard concrete forming tube)?

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It has been done; but it is not recommended, for several reasons: PVC warps with heat (like in the back seat of a car on a hot day); PVC also warps with weight, adding to collimation problems. PVC is also quite heavy.