Pine tar is a solid, translucent yellow material that smells of turpentine. It is hard and brittle at room temperature, and soft and sticky if hot. Being the clearest WW, its quality is based on its color. It’s also known as colophony, colophony resin or pine resin.
PET flakes are produced by recycling PET bottles post-consumer. It’s a lightweight strong material. Flakes can be processed by blow, injection and extrusion molding to produce bottles, movies and pieces of injection.
High-density polyethylene (HDPE) pellets are produced from recycled post-consumer bottles. This low-cost material has a good chemical resistance and is an effective moisture barrier.