Tents need to have waterproof properties, so Oxford fabric needs to be treated with waterproof treatment. Waterproof, breathable, windproof, and warm are the main functions of waterproof Oxford cloth. A good waterproof Oxford cloth will slide down when encountering rainwater. The surface that has been drenched only needs to be lightly wiped with traces of water droplets on the surface to prevent them from seeping into the interior. The waterproof Oxford cloth with low requirements is: when it comes into contact with rainwater, some of the rainwater will penetrate the interior, but there will be no water droplets falling, but its lifespan is not long.

     At present, the most common type is PU waterproof coating (PU is a polyurethane polymer organic compound, and PU coating is a stable and low temperature resistant coating), which involves scraping PU adhesive onto the fabric. This coating has a soft texture and good hand feel, strong waterproof performance, and does not age.

     The thickness of the coating is expressed in mm, indicating the static waterproof column height of the coating under laboratory conditions. For example, the PU1500mm coating indicates that the coating is not leaking under a static water column of 1500mm. Based on practical experience, waterproof Oxford cloth Pu300MM is generally used for beach tents, sunshades, or cotton cloth tents for drought and rain; Pu800MM-1200MM is used for regular simple camping tents, which can prevent light to moderate rain; Pu1500MM-2000MM is used to compare mid range tents, which require multiple days of travel. Waterproof tents above 3000mm are generally professional tents that have been treated with technologies such as high temperature and cold resistance.

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