Reference values of physical characteristics according to manufacturer’s data

Mechanical properties

thermoplastics mechanical properties

Electrical properties

thermoplastics electrical properties

Thermal properties

thermoplastics thermal properties
Abbreviation Significance

PE-HD High density polyethylene
PE-LD Low density polyethylene
PP Polypropylene
POM Polyoxymethylene, Polyacetale
PA 6 Polyamide 6
PA 66 Polyamide 6.6

 

Instructions for screws made of thermoplastic materials

  • Mechanical and physical properties, especially tensile strength and preload as well as colour, tolerances of threaded section and head geometry are subject to climatic conditions. Consult DIN 34810 and ISO 4759-1 for tolerance values, advice and assembly torques.
  • Preload can fall via stress relaxation. Instructions for construction and design are to be followed on the basis of VDI 2544.
Chemical resistance

thermoplastics chemical resistance

Abbreviation Significance

PE-HD High density polyethylene
PE-LD Low density polyethylene
PP Polypropylene
POM Polyoxymethylene, Polyacetale
PA 6 Polyamide 6
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