Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials

3810100000 Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials

381010000080

381010001080

381010009080

38101000 Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials

38101010 Pickling preparations for metal surfaces

38101020 Soldering, brazing or welding powders and pastes consisting of metal and other materials

3810100010 Tin or zinc based, halide free, surface mount technology processing solder paste: -with metal contents of 87,5 % or more, but not more than 90,1 % by weight, -with an alloy solidus temperature of 210°C or more, -with a viscosity of 178 Pa·s or more, but not more than 235 Pa·s, -with a particle size of 40 µm or less, -with a silver content either of 3,15 % or more, but not more than 3,5 % by weight for tin based paste or of 0,25 % or more, but not more than 0,28 % by weight for zinc based paste, -with or without bismuth content of 2,55 % or more, but not more than 2,71 % by weight, -with or without copper content of 0,6 % or more, but not more than 0,7 % by weight

3810100090 Other