600 x 300 denier is slightly less quality than 600 x 600. The weave is also different
Nylon is more durable than polyester. Also, when comparing 840 denier to 600 denier of the same fabric, the 840 denier is thicker, rougher, more coarse and stronger than the 600 denier. So, on both counts, the 840 denier nylon is more durable. If you look at the following link, the tan soft dog crate is made of 600 denier polyester and the colorful soft dog crates are made of nylon.
200
I don't know about the 600 denier polyester fabric but a mouse in my house chewed through some of the man-made material of the sandals in my closet! They were a thick metallic fabric.
600 x 300 denier is slightly less quality than 600 x 600. The weave is also different
The thickness of 600 denier polyester fabric can vary depending on the specific manufacturing process, but it typically measures around 0.5 to 1.0 millimeters. Denier refers to the weight of the fabric, with 600 denier indicating a medium-weight material that is durable and commonly used for bags, outdoor gear, and upholstery. The thickness can also be influenced by the weave and finish of the fabric.
I am assuming you are talking about a fabric made from either 1200 or 600 denier yarn. The thickness of the yarn in 1200 denier is twice that of 600 denier, which also implies the fabric will be rougher and ofcourse stronger. If you are looking for strength, 1200 is better. If you want a smoother finish fabric, choose the 600 denier. Hope this helps. Deviprasad
"2400 Denier Polyester and 900 DenierMicro-Polyester fabric"
Denier polyester is fabric and the higher the number, the thicker and stronger it is. 210 would be thin like silk.
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.
nylon
To apply a patch to 600 denier polyester fabric, start by cleaning the area where the patch will be placed to ensure good adhesion. Use a fabric adhesive or an iron-on patch for a secure bond; if using iron-on, place a cloth over the patch and apply heat with an iron set to the appropriate temperature for polyester. Allow it to cool completely before handling. For added durability, consider sewing around the edges of the patch after it has been applied.