Material designations and properties Code letter | Material | Properties | C | Tool steel, hardened | · very long service life · very sturdy · optimum hardness · resistant · highly magnetic · sensitive to corrosion (Protection only by nickel plating) | S | Stainless steel (INOX) | · largely stainless · fine tips available · good hardness values · slightly magnetic | SA | Stainless steel | · stainless · antimagnetic · resistant against most acids and vapors · medium hardness | NC | NiCrMo steel | · temperature-resistant up to 800°C · continuous use temperature 600°C · highest hardness HRC 60-64 · antimagnetic · high dimensional stability · resistant against most acids, alkalis and vapors | TA | Titan | · stainless / acid-resistant · antimagnatic · very sturdy · very light · temperature-resistant up to 870°C · continuous use temperature 350°C | BR | Copper zinc alloy (bronze) | · antimagnetic · largely resistant to corrosion by water and vapor · very good cold formability · suitable for sensitive mechanical parts | CF | conductive carbon fiber reinforced Carbofib (PA)  | · ESD safe, conductive · chemical resistance · gentle on surfaces · strong and durable · surface resistance 10² ohm · temperature-resistant up to 190°C · continuous use temperature 130°C | CP |  conductive carbon fiber reinforced PEEK
| · ESD safe, dissipative · very hard and stiff · high resistance against aggressive chemicals · surface resistance 105 - 106 ohm · temperature-resistant up to 300°C · continuous use temperature up to 260°C | LR | glass fiber reinforced PPS | · high dimensional stability · good hardness value · good chemical resistance · electrically insulating and suitable for microwaves · self-extinguishing · temperature-resistant up to 230°C · continuous use temperature 200°C | Note: All-steel tweezers are 100% conductive. In certain circumstances they can be used in ESD areas. The decision about an application in ESD areas is up to the user. | MZ Ceramic | Zirconia ceramic and aluminium | · no electromagnetic induction at high frequency · no eddy current losses · 100% electrically insulating · 100% antimagnetic · 100% antistatic · 100% stainless · extremely wear-resistant · temperature-resistant up to 700°C · extremely low thermal conductivity · resistant to acids and alkalis (except for hydrofluoric acid) · extremely smooth anti-adhesive surface · tips can break in case of misuse |
Coatings Note: The following coatings can be applied to all suitable tweezers. Prices on request. | |
Code letter | Coating | Properties | |
DC | Diamond-like carbon coating | · highest surface resistance · high hardness value | DR | Nitrile  | · very soft and elastic · high chemical resistance · ESD safe, dissipative · In compliance with ESD standard DIN EN 61340-5-1  | EP | Polyester epoxy | · insulation resistance > 1012 ohm · high chemical resistance · temperature-resistant up to 150°C | ESD (NE) | ESD Polyester epoxy (black)  | · ESD safe · temperature-resistant up to 150°C · In compliance with ESD standard DIN EN 61340-5-1  | NP | Nickel | · high mechanical strength | TE | Teflon | · anti-adhesive coating · scratch-resistant · stainless · temperature-resistant up to 200°C |
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