How much does 1708 fiberglass weigh?
The 1708 biaxial fiberglass cloths mat backing weighs 8 ounces for every square yard. Added together, 1708 fiberglass cloth weighs 25 ounces for each square yard.
What Oz is 1708 fiberglass cloth?
25.3 oz
1708 Biaxial Fiberglass Cloth – Knitted Fabric – 25.3 oz.
What is 1708 fiberglass used for?
This cloth is ideal for repairs, tabbing, and reinforcing. 1708 signifies the weight of each layer. +/- 45 biaxial weave cloth is 17 ounces per square yard.
Can you use epoxy with 1708?
There are epoxy-compatible 1708 rolls available. Its good for adding thickness in fewer layers, when stiffness or puncture resistance matters more than outright strength. It is also good for laminating on top of old glass that has been ground down but isn’t the most perfect surface.
What is the difference between fiberglass cloth and mat?
Fiberglass mat usually comes in large carpet-like rolls and is used for automotive and boat projects. Fiberglass cloth has a smoother-looking finish, excellent for water-proofing wood or other surfaces when combined with resin.
What type of fiberglass is used for boats?
polyester resin
E-Glass: This is the most commonly used fiberglass cloth in boatbuilding today. You can buy E-glass at a marine supply store, and bond it with polyester resin. It is made from molten plastic spun into fine fibers that are then either woven into cloth or loosely gathered into roving.
How much resin do I need for 1708?
1708 biaxial cloth weighs 17 ounces per square yard and will need 51 ounces of resin per square yard for adequate wet out.
Is fiberglass mat or cloth stronger?
Actually Cloth is stronger. It has continuous threads running in each direction. The mat is more like a bunch of small (1 to 2 inch) threads in various directions.
What type of fiberglass is best for boats?
Polyester resin is excellent for fiberglass lay-up — building a boat, for example. Polyester laminating resin doesn’t fully cure while exposed to air, so when it is used for lay-up, every application joins to the previous one on a molecular level.
Do I need to sand between layers of fiberglass?
There is no need to sand in between layers. Kind of. When a layer of mat has cured, there will be fibers sticking up. If these fibers aren’t knocked down with a quick once-over with coarse paper, they’ll create little air bubbles when the next layer is applied.
How many layers of Fibreglass should I use?
Two layers is the absolute minimum, three is better… The more prep time between the layers the stronger the finished product will be.