HIGG INDEX OVERVIEW
High-density polyethene (HDPE). Polyethylenes, the most widely used class of plastics in the world, include several copolymers of ethylene in addition to the homopolymer. The two most commonly used Polyethylene; Low-density polyethene (LDPE), the application mostly in use for plastic film, bags, and containers.
High-temperature material is a term used on a type of content with high-temperature capability, including some fibrous metals, superalloys, refractory alloys and ceramics; used in structures subjected to extreme thermal environments (e.g. spacecraft).
Hipster Jeans is a jean that starts about 10 centimetres below the navel.