Calcium-based dry drawing lubricants with a medium fat content are mainly used for drawing steel wires. Based on the pre-treatment, a distinction is made in three areas:
- pickled and coated (lime, ZEL coating)
- pickled plus phosphating and coating (lime, ZEL coating)
- mechanically descaled plus coating (ZEL coating) inline
When using pressure drawing dies versus normal drawing dies, the selection of the correct wire drawing agent may vary. Product selection is influenced by the drawing speed and roughness in the multiple draw, as well as possible reactions between calcium and sodium based dry drawing lubricants during the drawing process.
For example: The higher the drawing speed, the higher the wire temperature, as well as drawing die temperature and the higher the adhesion and temperature stability of the drawing agent must be.
Use in the following example industries:
- Steel cord and bead wire
- Rope wire
- Spring wire
- Saw wire