Fabric: Many for polyester NES fabrics, on the market generally 210T polyester nes, 190T polyester NES, quality of its thickness and latitude and longitude density as the standard, waterproof fabric technical indicators to waterproof degree. There are also manufacturers to enhance the beauty, feel, the external account coated with silica gel.
Silicone Hidden Extra Fabric
It looks like a translucent feeling, and more importantly, this kind of tent will be lighter.
Waterproof is only surface coated with AC or PU. It is generally used only for children or games ledger classes.
Waterproof 300MM is generally used for beach tent/sun visor or for dry and rainy cotton 800mm-1200mm for routine simple camping tents.
Waterproof 1500mm-2000mm for the comparison of mid-range tents, need to travel for several days.
Waterproof 3000MM above is generally a professional tent, to take high temperature/cold resistance and other technical treatment.
Bottom material: Commonly used PE is the most common, the quality of the main look at its thickness and latitude and longitude density. Better than the high-grade Oxford fabric, waterproof treatment at least in1500MM above.
The inner fabric is usually breathable nylon or breathable cotton cloth. The quality mainly depends on its density.
The rain-proof performance of the external tent tarpaulin is still calculated by the number of mm of water column per square centimeter.
The general tent rain prevention is above 1500mm water column, can prevent in the heavy rain, individual achieves the 3000-4000mm, may prevent the continuous rainstorm.
Excellent quality of rain tarpaulin, not only the rain index high, but also in the tarpaulin line seam junction with a generous pressure, in order to prevent leakage of the line seam.
Although the outer tent is a high indicator of rain, ventilation is a problem. Even if it is a clear night without rain, after a sleep will still be covered with beads of water droplets, especially in the grass and other moisture on the ground to build tents. The cumulative amount will also drip into the internal account. Relatively speaking, the low rain indicator of the external account, the area of water than rain higher than a little.
This is the water vapor that the occupants exhale in the tent, and the ground water gathers on the inner surface of the tarp. Due to the outside of the rain, the rain outside, the water vapor is not out. So when you get up in the morning, avoid shaking your tent and watch out for the rain.
However, there are several top tents, external accounts used Tex, Bantex and other waterproof breathable materials, can be better to solve this problem, but the price is staggering.
