What is 840d nylon?
What is 840d nylon? 840d Ballistic Nylon Fabric is a thick, toughest fabric. It is made from high tenacity nylon yarn, and it is a 2×2 basketweave. It can be woven from nylon yarns of various denier such as 2520d, 1260d and 1680d. 840d ballistic nylon fabric is the strongest Read more…