Polystyrene Sheets

Polystyrene is a hard, plastic-like material that is typically used for multi-purposes. It is often mixed with colorants and additives to make electronic appliances, toys and ornamental kinds of stuff.

It can also be molded to specific shapes to line coolers and freezers or as props for movie sets. It possesses pour acoustic properties that can be used as building insulation.

Insulating

Polystyrene sheets are insulating materials that help lower energy bills. They can be used in homes, schools, and other buildings. Polystyrene is also used in packaging and manufacturing. This type of insulation is easy to install and provides superior insulating properties.

This is one of the best insulating options for steel, timber and concrete framed buildings. It is a thermal barrier that prevents air infiltration, and it can be secured with 25.4-mm plastic cap nails or staples. It is also resistant to moisture, mildew and rot.

Expanded polystyrene (EPS) foam insulation is produced by expanding a block of polystyrene beads using blowing agent Pentane and then cutting the blocks into sheets. This is the most popular form of insulating material in the world, and it is also known as Styrofoam. This material is 90% air and offers excellent insulating properties. It is also resistant to moisture, which is important for home and commercial use. It can also be cut into different shapes and sizes to suit a particular project.

Food and beverage

Polystyrene is a popular choice for food and beverage purposes such as disposable plates, cups and egg cartons. It offers excellent gas permeability and water-vapour transmission, making it ideal for protecting and insulate edible items.

FDA strictly regulates all food packaging materials, including polystyrene, because tiny amounts of the material can migrate to foods and beverages during use. Those substances that may migrate from the plastic are not harmful.

Styrene foam is also dangerous to the environment because it takes centuries to degrade. It also emits chemicals that pollute water sources and harm wildlife.

You can help reduce the threat of styrene to the planet by refusing products made with it and reusing those you do receive. Recycle your empty polystyrene trays by cutting them into rough 2cm squares, then draining and blending the squares with enough water to float them near the top. The result will be a perlite substitute that can be used in place of sand for gardening, or to create non-snagging knitting markers.

Medical

Polystyrene (solid or foam) is widely used to protect consumer products. The clear plastic CD and DVD cases, the foam packaging peanuts for shipping, food packaging, meat/poultry trays and egg cartons all use PS to keep products safe and sound.

The FDA strictly regulates all food packaging materials because even if they contain no toxic chemicals, tiny amounts of those substances may migrate into foods or drinks and cause illness. Food and beverage manufacturers are required to test all their packaging materials for migration, including plastics like PS.

Piedmont stocks HIPS and XPS, two forms of expanded polystyrene (EPS). HIPS is a commodity thermoplastic material that’s economical, tough, durable, and easy to form, while XPS has closed cells with virtually no air voids. Both are good for countertop point of purchase displays and indoor signage. Both offer outstanding strength, durability, and abrasion resistance as well as moderate stiffness. Both are also printable using a variety of methods, including screen, offset, and lithographic printing.

Building

EPS expanded polystyrene can be used as insulation in residential and commercial building applications. It is a cost effective solution to help reduce energy costs and it has good thermal resistance and low moisture absorbency. It is a suitable solution for cool-rooms, ceilings, void former under slabs and walls, steel and timber framed buildings.

Polystyrene can be harmful to human health if ingested in large quantities. Chronic exposure can affect the central nervous system and it may also cause confusion and headaches. If ingested in small amounts, it will not cause any significant health risks.

Polystyrene can be cut with a jigsaw, keyhole saw or pad saw. A pad saw, with a long and stiff blade is ideal for cutting round holes in EPS. You can also use a jigsaw for curved and scrolling lines. It is recommended to use a sharp blade, since dull ones can break the foam. If you cut your EPS too short, you can always fill in the gap with expanding foam to strengthen the bond.

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