Also water resistant heavy duty fabric, Canvas material made from cotton is now listed in a Canvas section.
Heavy duty fabric is sometimes called canvas or tarp canvas, but this
is not a correct term for Heavy Duty Fabric that is made of a fiber
other than cotton. Only a woven cotton fabric more than 8 oz.
per square yard could accurately be called canvas. Other heavy materials
like CORDURA® or Ballistic
Nylon are not technically canvas and should be referred to as heavy
duty fabrics. Genuine Cordura® Nylon Fabric is still made in America.
Waxed Canvas is mostly another name for CANVAK
Heavy Duty Cotton canvas is also called Number Duck because the size of the fibers corresponded to an antiquated sizing system of spinning cotton into cotton yarn for making fabric. The number system stuck through the years, but to be more precise, cotton canvas is gauged by weight per square yard. Take a perfectly square piece of material 36 inches by 36 inches and weigh it in ounces, this is a more accurate measure of the fabric's thickness. For example: a #2 cotton canvas weighs 32 ounces per square yard. A square yard of #10 cotton canvas weighs about 14.73 ounces.
As you can see the numbers used to grade the weight of cotton canvas actually run backwards, contrary to numerical value, a #2 canvas is one of the heaviest and heavier than #4 canvas a #12 canvas would be lightest of all.
Prior to the 1980's the military used much cotton canvas to make military equipment with. Most of this canvas was "waxed", or more accurately spoken: treated with CANVAK a pungent smelling oily substance that gave the canvas a degree of water resistance and resistance to rotting and decay. Today, this sort of treated canvas is mostly used for reproductions and restorations of old military vehicles and equipment.
Synthetic Heavy Duty Fabric is a much newer invention than Cotton canvas that has been around since the early Egyptians or Chinese began weaving fabric thousands of years ago. Because it is newer, synthetic Heavy Duty Fabric is graded by a more modern and precise means, using "Denier" to express the size of the fiber used to weave the material. Informally, materials over 400 denier are considered heavy duty. Typically fabric Deniers go up to about 1500 or 1700. However, denier size does not always make a stronger fabric. Denier sizes over 1100 may make the fabric less strong because the size of the fibers make them more prone to fraying and unraveling. Due to their larger size and looser weave, it is much easier to snag or catch the strands of fiber on sharp objects.
Heavy Duty fabric like the 1050 Ballistic Nylon pictured above are used to make protector sleeves for hoses and cables. The tenacity and abrasion resistance of genuine 1050 Ballistic Nylon fabric makes it ideal for such uses as protecting delicate and expensive hydraulic hoses and communications cables of all types.
Canvas used to make tarps:
Canvas and Synthetic Heavy Duty Fabric are often used to make tarps. Good tarps made from heavy duty canvas or fabric, always have double stitched seams, and edges that are hemmed and reinforced with webbing and sewn with heavy duty nylon thread. Mesh, usually vinyl coated is also used to make vinyl mesh tarps Most importantly the holes used to tie the tarp down with rope or shock cord are always reinforced with quality brass grommets, not inferior aluminum grommets or plastic grommets, like so many imported, mass produced tarps found in big retail stores today. Stainless Steel Grommets are now available and are great for tarps that must be used in a marine environment.
Gnarly Wraps™ Reusable Hose & Cable Sleeves are also made from Heavy Duty Fabric and fire resistant vinyl.
Not all Heavy Duty Fabrics are made from traditional fibers. Fine metal wires can be woven into a mesh fabric that feel and sew much like fine nylon mesh. 100% Stainless Steel Fabric is one of the most popular of the metallic heavy duty fabrics. This fabric has electrical conductivity, and extreme corrosion resistance, but handles just like any other fabric; although it will dull a pair of scissors pretty quickly. Heavy Duty 100% Stainless Steel fabric
Narrow heavy duty fabrics, less than 12 inches in width are called webbing. This webbing material is surprisingly strong for it's width, for example a nylon webbing fabric with a width of just 2 inches can support of 7,000 pounds!
www.ahh.biz is an Authorized Distributor of Genuine CORDURA™ Durable Fabrics
CORDURA™ is a registered trademark of INVISTA for durable fabrics
Our heavy duty fabrics that have a polyurethane coating are water resistant fabric.
Visit our other websites:
Heavy Duty Fabric - An Essay by W.W.
A History of Heavy Duty Fabric and some of it's uses