PVC waterproof canvas tarpaulin customized
The waterproof index of waterproof cloth varies, and its purpose also varies. Take tent cloth as an example: the rainproof performance of the outer tent tent cloth is calculated based on the number of millimeters of water column it can withstand per square meter. The rainproof index of general professional tents is more than 1500mm, which can prevent moderate to heavy rain, while individual professional alpine tents can reach 3000-4000mm, and can prevent continuous rainstorm, with strong defense capability.