• Banner Processes

Sn99,3Cu0,7 PRO

Lead-free solder alloy with flux, for universal use in electronics and electrotechnics.

  • Pb Free
  • Low activity
  • Colophony-based
  • Halide free

Alloy designation in accordance with ISO 9453:2020:
Sn99,3Cu0,7 (401)
Product type: Cored solder wire
Flux: PRO

1. General characteristics

The solder was produced in the first smelt of tin and copper. The composition of the solder complies with the ISO 9453 standard. The flux PRO has good spread and its J-STD classification is ROL0. It is lead-free solder wire for manual and automatic processes used in industrial applications in electronics and electrical engineering, where meeting the requirements of the RoHS Directive is required.

Sn993Cu07 07 500G Idx

2. Chemical compositions, mass fraction in %

Sn Cu Bi Sb Ag Cd Au In Pb Al As Fe Ni Zn
rest 0,05 - 0,90 max 0,10 max 0,10 max 0,10 max 0,002 max 0,05 max 0,10 max 0,07 max 0,001 max 0,03 max 0,02 max 0,01 max 0,001

3. Physical characteristics

Melting point: (solidus / liquidus)227°C
Density7,31 g/cm3
Electrical conductivity0,126 μΩ•m
Thermal conductivity66 W/m•K
Tensile strength300 kgf/cm2
Elongation at break21 %
Hardness9 HB
Suggested operating temperatures340 - 420°C (recommended soldering temperature above 380 °C)

4. PRO flux

acc. to DIN 8511SW32
acc. to ISO 94541.1.3.B
acc. to J-STD-004ROL0
Flux content3,0 +/- 0,2% other on request
Halide content0,0 %
Acid Value305 ±10 mg KOH/g
Corrosivenessnoncorrosive

5. Other information

Available diameters

0,25 • 0,38 • 0,50 • 0,56 • 0,70 • 0,80 • 0,90 • 1,00 • 1,20 • 1,50 • 1,60 • 2,00 • 2,50 • 3,00 • 4,00 mm

other on request

Packed

100 g – cartons 30 pcs./3kg
250 g – cartons 5 kg
500 g – cartons 5 kg
1 kg – cartons 10 kg

other on request

Expiration date 5 years from the end of the year of production.
for example: batch 61112233 = date of production 2016, date of expiry end of 2021
Label Reels and cartons marked with alloy type, flux type, diameter, net weight and batch number.
Storage Store at room temperature, in a dry place and beyond the reach of children.

Files to download:

Sn99,3Cu0,7 PRO - Technical data sheet (TDS)

Sn99,3Cu0,7 PRO - Safety data sheet

Physical, mechanical and chemical properties available in the TDS (download above).

PRODUCTS

Find products by type

  • With or without flux. Diameters starting from 0.1 mm.

    More
  • Materials used in processes such as wave soldering.

    More
  • Cynel pastes made from the finest quality powder manufactured on site in the Warsaw Factory.

    More
  • Substances ensuring wettability and spreadability of solder.

    More
  • Accessories and DIY materials.

    More
  • Solder wires
  • Solder bars, rods
  • Solder pastes
  • Soldering fluxes
  • Others

PRODUCTS

Find products by type

  • Solder wires
  • Solder bars, rods
  • Solder pastes
  • Soldering fluxes
  • Others
  • With or without flux. Diameters starting from 0.1 mm.

    More
  • Materials used in processes such as wave soldering.

    More
  • Cynel pastes made from the finest quality powder manufactured on site in the Warsaw Factory.

    More
  • Substances ensuring wettability and spreadability of solder.

    More
  • Accessories and DIY materials.

    More

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.