What do the D, T and PU in the tent material description mean?
The outer packaging of the tent is generally clearly marked with the internal account, the external account and the floor material. Common ones such as 190T, 150D and PU1500mm let you not know the description. What do D and T and PU indicate respectively? What?
First, the impact density, wear and tear resistance indicators:
The D and T indicators on the tent are the data indicators related to the density, wear resistance and tear resistance of the tent fabric. D is the abbreviation of Denier, which is called Daniel value. It is an expression method of chemical fiber fineness. The weight of each 9000 meter long line is called 1D. Therefore, the smaller the number in front of D, the finer the material. The relative density is smaller. On the contrary, the larger the number in front of D, the thicker the fiber, the greater the relative density. The fabric corresponding to the same area will be heavier and the wear resistance will be stronger.
T (Tex) is the sum of the number of warp and weft yarns in a 1 inch (2.54 cm) fabric. You can also simply understand that the larger the number before T, the heavier the fabric of the same area.
Second, the fabric waterproof effect indicators:
After the fabric is determined, the tent should have waterproof performance and special waterproof treatment. The most common one is PU coating (PU is polyurethane organic polymer, PU coating is a stable low temperature resistant coating), ie The PU glue is scraped on the fabric. The coating is soft and feels good, waterproof and not aging.
It is not difficult to understand that the thickness of the PU coating determines the waterproofness of the tent, and the thickness of the coating is expressed in mm, indicating the static waterproof column height of the coating under laboratory conditions, such as a PU 1500 mm coating indicating that the coating is at 1500 mm. Under the static water column is not leaking. According to practical experience, PU800 coating can prevent small to moderate rain in the field environment, PU1000-1200 coating can prevent medium to heavy rain, and more than 1500mm coating can be used in various environments.
After understanding the meanings of the above indicators, we can usually buy tents by simply comparing the indicators. Of course, these indicators are only some factors that determine the texture and grade of the tent. Depending on your actual needs and the use of the tent, once you have a suitable tent, you can pick up the equipment at any time, settle in the mountains, creeks and fields, enjoy free and easy, positive and comfortable. life.
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