for monofilament filament, the round diameter is about 214 micron
for multi filament yarn depends to cross section of fibers and the rate of twisting
Denier nylon is a unit of measuring the thickness/weight of a thinly spun fiber. It indicates the material's durability, plus the fineness of fiber filaments and yarns - both natural and synthetic. The higher the denier, the thicker the fiber; the lower the denier, the finer the fiber. per Wiki answer to what is denier.
420 micron = 0.42 millimeters
No, 420 denier nylon and 4 oz are not the same; they refer to different measurements. Denier (den) measures the thickness of the fibers in the fabric, while ounces (oz) typically refer to the weight of the fabric per square yard. A 420 denier nylon fabric is relatively durable and strong, while 4 oz indicates a lighter weight fabric. The two measurements provide different information about the material's properties.
The ballistic nylon will be a higher denier (thickness of the thread). Also will be shiny/glossy compared to the matte finish of polyester. Ballistic nylon will be much more durable and much less likey to tear or scuff. You can get higher denier polyester (900, 1200, 1800) which will be better for wear and tear. The price will reflect this however as 600d poly is low to mid price point whereas the others are higher.
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420 dernier nylon is stronger than 150 dernier nylon. The "dernier" measurement refers to the thickness of the fibers, with a higher number indicating a thicker and generally more durable material. Therefore, 420 dernier nylon has a greater tensile strength and is better suited for applications requiring more durability and resistance to wear.
4203 = 420 x 420 x 420 = 74088000
21% of 420= 21% * 420= 0.21 * 420= 88.2
95% of 420 = 399 = 95% * 420 = 95%/100% * 420 = 0.95 * 420 = 399
420
88% of 420= 88% * 420= 0.88 * 420= 369.6
38% of 420= 38% * 420= 0.38 * 420= 159.6