What plastic is hard but flexible?

High-density polyethylene (HDPE) is a hard rigid plastic. A low-density grade ( LDPE )is tough and flexible. Used for making eye protection, machine guards and riot shields. It is not as hard as acrylic and can be cut easily but it will absorb impacts.

What is a flexible material?

Flexible materials can be characterized by the ability to bend or compress easily without cracking under normal conditions.

Why are some plastics flexible?

We say it’s made from a thermoplastic: something that becomes plastic (soft and flexible) when it meets thermal energy (heat). In a thermoplastic, the long polymer molecules are joined to one another by very weak bonds, which easily break apart when we heat them, and quickly reform again when we take the heat away.

Is HDPE hard or soft plastic?

You can find HDPE in both rigid and soft plastic forms. You can find it in everyday items like milk and ice cream containers, shampoo and conditioner bottles, detergent bottles, and kid’s toys. As a soft plastic HDPE is found in freezer bags, plastic bags, and other plastic food packaging.

What type of plastic is most durable?

Tough and durable plastic materials Certain plastics such as ABS, polycarbonate, PPSU, and UHMW have outstanding toughness. Plastics are frequently used for industrial, construction, and military applications when durability is critical.

What’s the most durable plastic?

HDPE – High Density Polyethylene (HDPE) is a versatile, low cost, durable plastic that can be found in everything from chemical tanks and marine construction to outdoor playground equipment and prosthetics. HDPE offers high impact resistance, rigidity and tensile strength.

What are some examples of flexible materials?

Flexible Materials

• Paper-Based Flexible Materials. Cellulosic Paper (Wood Paper) based flexibles can have a resin binder or be bound by interwoven wood fibers.
• Films and Thin Gauge Sheets.
• Flexible Laminates.
• Elastomeric Materials.

Which material is most flexible?

It’s “graphene.” Graphene is the strongest, thinnest material known to exist. A form of carbon, it can conduct electricity and heat better than anything else. And get ready for this: It is not only the hardest material in the world, but also one of the most pliable.