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Which plastic is the best insulator?

Certain types of plastics, like Mylar® & Melinex® polyester films, are excellent insulators, which means they can effectively trap heat. Plastics offer a variety of properties that allow them to be used across many different industries, as well as the insulation of electrical wires.

tekra.com - Can Plastic Be Used As Insulation | Is Mylar A Good Insulator - Tekra

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Is Mylar a Good Insulator?

People often wonder if plastic can be used as insulation, and the answer is yes! Certain types of plastics, like Mylar® & Melinex® polyester films, are excellent insulators, which means they can effectively trap heat. Plastics offer a variety of properties that allow them to be used across many different industries, as well as the insulation of electrical wires.

Why Is Polyester Plastic Used to Insulate Electrical Wire?

Mylar® & Melinex® Polyester films are commonly used to insulate electrical wire because of their unique set of characteristics, including: High Dielectric Strength: Dielectric strength refers to the electrical strength of an insulating material, in this case, polyester films. The thicker the film, the more dielectric strength it has because it can withstand electrical currents at a greater level. Impressive Thermal Endurance: Polyester film maintains longevity when used to insulate electrical wire because it is tear-resistant, has high mechanical-strength, and is flexible. Superior Electrical Barrier: Polyester is an excellent electrical barrier and is often used in the wiring of appliances, digital printers, and other equipment that utilizes a motor. The polyester insulation helps prevent the electricity from arcing or shorting out when the motor puts a large draw on the system. In addition to these characteristics, polyester is also known to maintain chemical stability, is solvent resistant, and remains intact in varying temperatures. Now, if you’re curious about which plastics are used for wire insulation, that list is just as impressive.

What Plastic Is Used for Wire Insulation?

The most common and dependable polyester films used for wire insulation are Melinex® and Melinex® from DuPont Teijin Films and Teonex® from Toyobo Film Solutions Limited™. These films are versatile and consistently deliver when used for different insulating purposes. Tekra is proud to partner with DuPont Teijin Films and Toyobo Film Solutions Limited™ to convert and distribute Mylar®, Melinex®, and Teonex® in varying thicknesses, visual appearances, and treated surfaces to ensure your polyester film is exactly what you need to properly insulate your electrical wires. For any questions regarding plastics being used to insulate electrical wire or for help selecting the right polyester film for your specific application, please contact us online or call (800) 448-3572.

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How deep should an 8 foot post be in the ground?

about 2 feet deep How Deep Should a Fence Post Be? For an average fence post, about 6 to 8 feet tall, prepare to dig a post hole about 2 feet deep. To install a fence post, you'll need a shovel or post digger, a 6-foot level, soil, and gravel or crushed stone. For gateposts, you'll need concrete too.

thisoldhouse.com - How to Install a Fence Post - This Old House

Setting a strong foundation for your fence starts with the anchoring down the posts.

How Deep Should a Fence Post Be?

For an average fence post, about 6 to 8 feet tall, prepare to dig a post hole about 2 feet deep. To install a fence post, you’ll need a shovel or post digger, a 6-foot level, soil, and gravel or crushed stone. For gateposts, you’ll need concrete too.

How to Install a Fence Post in 5 Steps

Begin by digging the post holes with a shovel or posthole digger. Space holes between 6 to 8 feet on center and, for most picket or lattice fences, dig them 24 to 30 inches deep. Set posts on a 6-inch base of ¾-inch crushed stone to encourage drainage. Then fill around posts with the soil from the holes, minus the topsoil, and packs it down every 6 inches. In sandy soil, mix in gravel so that it will pack more firmly. In clay soil, which doesn’t drain well, pack only gravel around posts.

Related How to Replace a Rotted Fence Post

Should Fence Posts Be Set in Concrete?

Pro2Pro Tip: If the fence is long and you have to create lots of holes, consider renting a power auger or hiring a landscape contractor who has one. You’ll need to pour a concrete footing only for posts that support a gate, are freestanding at the end of the fence, or when rock stops you from digging deep enough, one-third of the post’s length. Concrete is costly—each post requires two or three $5 bags—and slow, as posts must be braced until the concrete sets.