Drone video of J.F. Shea’s poly truck to mix polyester concrete. Two parts sand to 1 part rock, and then 12% by weight is the polyester resin part. The catalyst is bout 2% by weight of the resin. It is the waterproofing for bridges.
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Drone video of J.F. Shea’s poly truck to mix polyester concrete. Two parts sand to 1 part rock, and then 12% by weight is the polyester resin part. The catalyst is bout 2% by weight of the resin. It is the waterproofing for bridges.
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