FAQ'S ON MATERIAL INFORMATION
Acrylonitrile-butadiene-styrene copolymers (ABS for short) are thermoplastic terpolymers in which side chains of styrene-acrylonitrile copolymer (SAN) are covalently attached to a polybutadiene-based main chain.
The following standards concern ABS plastic:
- DIN EN ISO 2580-1: Plastics – Acrylonitrile butadiene styrene (ABS) moulding compounds – Part 1: Designation system and basis for specifications (ISO 2580-1:2002).
- DIN EN ISO 2580-2: Plastics – Acrylonitrile butadiene styrene (ABS) moulding compounds – Part 2: Preparation of test specimens and determination of properties (ISO 2580-2:2003).
Polycarbonates (abbreviation PC) are thermoplastics. They are formally polyesters of carbonic acid.
Polycarbonates usually have a crystallite content of less than 5 % and are therefore considered amorphous. They are characterized by high strength, impact strength, stiffness and hardness. Polycarbonates are also good insulators against electrical voltage.
Sheet steel is also known as black plate (DC01). Sheet steel is an alloyed steel produced by cold rolling or hot rolling. As soon as sheet steel is exposed to humidity or becomes wet, it quickly begins to oxidize. An additional coating, e.g. polyester, improves resistance to weathering.
Steel is a material that consists mainly of iron. Steel can be formed hot or cold, i.e. it can be rolled, bent, drawn and forged.
Steel is often defined as an iron-carbon alloy with a carbon mass fraction of 2% or less. Iron-carbon alloys with higher carbon contents are called cast irons and are not plastically formable, i.e. they cannot be forged or rolled. In addition to carbon, steel always contains residues of unwanted phosphorus, sulfur and some other impurities. Some steel grades contain additional elements that have been alloyed specifically to improve the properties of the steel. The decisive factors for the properties of the steel are the proportions of the accompanying and subsequently added alloying elements as well as the heat treatment condition.
The BOXEXPERT aluminium enclosures of the Alster series are made of the alloy Al Si 12 and are corrosion resistant. When exposed to oxygen, aluminium forms a dense, firmly adhering oxide layer on the surface, which ensures high corrosion resistance.
Cf. DIN 1725-2:1951-06: Aluminium alloys -. Aluminium casting alloys – Sand, gravity die and pressure die casting alloys
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