Polystyrene (PS) is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and rather brittle. It is an inexpensive resin per unit weight. It is a rather poor barrier to oxygen and water vapor and has a relatively low melting point. Polystyrene can be naturally transparent but can be colored with colorants.
Packaging, Sheet, Insulation, General Purpose, Foam, Electrical/Electronic Applications, Household Goods, Toys, Appliance Components, Containers, Medical Devices,
High Impact Polystyrene (HIPS) is a form of polystyrene (PS) that carries with it a higher impact strength. Homopolymer PS can often be brittle and can be made more impact resistant if combined with other materials. This form of PS typically is produced by adding around 5-10% rubber or butadiene copolymer. This increases the toughness and impact strength of the polymer and results in a very stiff product ideal for packaging applications.
General-purpose Polystyrene, also known as GPPS is a substance prepared from styrene monomer polymer. It is a solid, transparent product and is manufactured by a suspension process. It is also known as crystal-clear polystyrene and is very different from high impact Polystyrene (HIPS). It has several useful properties like strength, weather resistance, etc. that makes it ideal for use in various industrial applications. GPPS flows freely and easily and can be molded with ease. These characteristics render GPPS products versatile and recyclable. It is also FDA compliant and resists X-Rays, Odor, and Taste.
Styrene Acrylonitrile (SAN) – Styrene and acrylonitrile monomers can be copolymerized to form a random, amorphous copolymer that has improved weatherability, stress crack resistance, and barrier properties. The copolymer is called styrene acrylonitrile or SAN. The SAN copolymer generally contains 70 to 80% styrene and 20 to 30% acrylonitrile. This combination provides higher strength, rigidity, and chemical resistance than polystyrene, but it is not quite as clear as crystal polystyrene and its appearance tends to yellow more quickly.
Acrylonitrile Butadiene Styrene (ABS) – This material is a terpolymer of acrylonitrile, butadiene and styrene. Usual compositions are about half styrene with the balance divided between butadiene and acrylonitrile. ABS is an ideal material wherever superlative surface quality, colorfastness and luster are required. ABS is a two phase polymer blend. The toughness of ABS is the result of sub microscopically fine polybutadiene rubber particles uniformly distributed in the SAN matrix. With considerable variation resulting in many different grades of acrylonitrile butadiene styrene offering a wide range of features and applications.