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The more sustainable product line from Stannol

Stannol offers a complete product range under the name greenconnect, which focuses on the aspects of sustainability and fairness.

In the past, only the criteria of quality, price and delivery time counted, especially when purchasing tin. However, due to the strong demand for raw materials, working and living conditions in the mining areas are largely inhumane. The environment also suffers greatly from the uncontrolled and sometimes illegal mining of raw materials.

With our greenconnect products, we enable our customers to take a step further towards sustainable and ecological manufacturing.

The five areas of greenconnect

  • solder bars (Fairtin)
  • solder wires (Fairtin)
  • solder pastes (metal powder made from Fairtin) and
  • fluxes (made from renewable raw materials and/or water-based)
  • change to recycled packaging materials for all products (reels made from 100 percent recyclate, packaging and filling materials made from recycled materials such as paper)

Stannol receives Efficiency Award NRW 2023

The picture shows a table on which a framed certificate, an open magazine article and a prize trophy in the form of a large wooden screw can be seen.

Stannol has been honoured with the Efficiency Award NRW 2023 for its more sustainable greenconnect product line and its overall sustainable concept.

To the news article

Our greenconnect product range

The film was made as part of the NRW Efficiency Award ceremony. The video is only available in German.

Fairtin – produced in a more environmentally friendly, sustainable and fair way

The solder wires, solder pastes and solder bars from our greenconnect range all carry our Fairtin label. This means that primary tin from a more sustainable supply chain and from audited producers in emerging countries is used for these products. Alternatively, solders made from high-purity secondary raw materials sourced from European production are chosen. These materials are in no way inferior to solders made from primary tin in terms of quality, purity and processability.

 

For Fairtin products, solder is sourced from producers who

  • pay attention to the protection of the environment
  • respect international and national rights,
  • fulfill their social responsibility for employees and local people – for example, by ensuring fair wages and adequate occupational health and safety measures,
  • work against child labour, and
  • act transparently.
The picture shows the Fairtin logo: The Fairtin lettering in shades of green and grey and two stylised green leaves.

For Fairtin products, tin is sourced from producers who

  • respect the environment,
  • respect international and national rights,
  • fulfil their social responsibility for employees and local people - for example by ensuring fair wages and adequate health and safety measures,
  • working against child labour and
  • acting transparently.

Fluxes – Bio-Ethanol instead of IPA

In our greenconnect bio-fluxes, the previous main ingredient isopropanol (IPA) is replaced by bio-ethanol. Bio-ethanol is based on renewable raw materials such as food waste and can be produced completely without fossil resources via a fermentation process. This results in a significantly better CO2 balance.

Water-Based Fluxes

In addition to our organic fluxes, we also offer environmentally friendly water-based fluxes. These are VOC-free and enable CO2 savings around 90 percent compared to alcohol-based fluxes. The non-flammable formulations are also easier to store and pose fewer health risks.

No requalification necessary

The high quality standard of our own products ensures that some greenconnect materials can be used in the respective manufacturing process without costly requalification

Certificate

As proof of the use of our sustainable Fairtin products, our customers receive a personalised, batch-related certificate on request.

Our greenconnect products

The picture shows a horizontal Kristall 600 solder wire reel. The label on the front is green and white and bears various product specifications and the Stannol logo.

Solder Wire – Kristall 600

Although mildly activated, Kristall 600 solder wire ensures fast and good wetting on most surfaces. The contained flux is halide-free and based on a synthetic resin matrix. The high thermal stability makes the contained flux very suitable for use with all lead-free alloys.
 

Product Advantages

  • Fairtin solder
  • No-Clean
  • transparent, clear residues
  • strongly reduced spitting
  • high thermal resistance
  • good wetting
  • REL0 classification

Application Areas

Kristall 600 solder wire can be used for both hand and automated soldering in the electrical engineering and electronics sectors. The flux residues are electrically safe and can remain on the solder joints. Kristall 600 is offered in the alloys Flowtin and SN100CTM. Both alloys are gentle on the soldering tips, which significantly increases their service life.

 

 

The picture shows a horizontal reel of Kristall 611 solder wire. The label on the front is orange and white and bears various product specifications and the Stannol logo.

Solder Wires – Kristall 605 and 611

The Kristall 605 and Kristall 611 solder wires are halogen-activated flux solder wires that open the process window in many places. Greatly reduced flux spitting combined with good wetting behaviour on poorly solderable surfaces are the highlights of these innovative products.
 

Product Advantages

  • Fairtin solder
  • lbright No-Clean residues
  • low spitting
  • very good wetting properties for fast soldering
  • chemically modified resin that reduces the health risks associated with the use of rosin-based fluxes
  • mild odour
     

Application Areas

Designed for manual rework as well as for automated soldering equipment, Kristall 605 and Kristall 611 allow to cover the different production needs in modern electronics manufacturing. The flux contained meets the requirements of J-STD-004C standards. Kristall 605 is classified as REL1, and Kristall 611 is classified as REM1. Both solder wires are offered in the alloys Flowtin and SN100CTM. These alloys are gentle on the soldering tips, which considerably increases their service life.

The picture shows a green tin of Stannol's SP2200 solder paste. There is a white label on the tin with the Stannol logo and product specifications.

Solder Paste – SP2200

SP2200 solder paste is designed for high-volume, lead-free SMD electronics manufacturing. It contains a highly active L0 No-Clean flux. With a special formula for excellent wetting, it meets the requirements for surfaces found in any high-volume production today. The small amounts of residue left after the reflow process are bright, transparent, electrically safe and do not require removal.
 

Product Advantages

  • solder powder made from Fairtin solder
  • very good first print results after long printer downtime
  • reflow process under air or nitrogen possible
  • high open time of the printed PCB


Application Areas

The solder paste SP2200 was developed for stencil printing. With the TSC405, TSC305 and TSC0307 alloy as solder powder in classes 3 and 4, the solder paste SP2200 can be used in all common open and closed printing systems.

The picture shows a green can of Stannol's SP6000 solder paste. There is a white label on the tin with the Stannol logo and product specifications.

Solder Paste – SP6000

SP6000 solder paste was developed for use with alloy TSC305 (Sn96.5Ag3Cu0.5) as well as for cost-saving use with low silver content with alloy TSC105 (Sn98.5Ag1Cu0.5).The special feature: With SP6000, more than 85 percent ofCO2 emissions can be saved by using recycled solder compared to conventional solder pastes.

The flux, which is classified as REL0, also convinces with an uncompromising wetting quality on all known lead-free PCBs in both air and nitrogen atmospheres. SP6000 leaves behind exceptionally little residues, which are also transparent and non-corrosive.
 

Product Advantages

  • solder powder made from recycled solder
  • more than 85 percent CO2 savings
  • very suitable for use with low silver content (TSC105)
  • high contour stability, ideal for fine pitch up to 0.4 mm
  • very good first print results after longer printer downtime
  • reflow soldering process under air or nitrogen possible
  • low mid-chip balling on passive components due to anti-capillary effect
  • very good wetting on most surfaces
  • RoHS compliant
     

Application Areas

The solder paste SP6000 was developed for stencil printing. With the TSC105 or TSC305 alloy as solder powder in particle size 3 (25 to 45 µm) and 4 (20 to 38 μm), solder paste SP6000 can be used in all common open and closed printing systems. It is also available as a dispensable solder paste (SP6000D).

The picture shows a blue EF-350 flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Flux – EF350 Bio

The halogen-free activated No-Clean flux EF350 Bio guarantees excellent wettability on different surfaces (for example OSP, Ni/Au, HAL, chem. Sn and chem. Ag) with both lead-free and lead-containing solder alloys. Important for our customers: Extensive testing has proven that 1:1 flux replacement is possible without changing process parameters.
 

Product Advantages

  • CO2 savings
  • No-Clean
  • universally applicable
  • solids content 3.5 percent
  • very good wetting properties
     

Application Areas

EF350 Bio is a flux with a wide process window and can be used universally. It can be used in wave soldering as well as in selective soldering. EF350 Bio is well suited for use in spray fluxers.

The picture shows a blue EF-160 Bio-PV flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Solar Fluxes – EF160 Bio PV and EF180 Bio PV

The fluxes EF160 Bio PV and EF180 Bio PV were specially developed for use in the photovoltaic module industry and, as No-Clean fluxes, meet all its requirements. Both fluxes are halogen- and resin-free and low in solids. EF180 Bio PV has a slightly higher solids content in comparison and has a lightly stronger activation than EF160 Bio PV. The innovative fluxes ensure very good solderability in module assembly processes for soldering by IR and convection.
 

Product Advantages

  • CO2 savings
  • No-Clean
  • low residue – minimal equipment contamination, low maintenance
  • low solids content
  • excellent peel force resistivity
  • very good wettability
     

Application Areas

EF160 Bio PV and EF180 Bio PV offer a wide thermal process window, making them suitable for lead-free and leaded soldering processes. They exhibit high peel forces that keep solder joints stable over the long term. The fluxes can be applied by spray or dip processes. They are suitable for both automated spray and stringer applications and can also be used for hand soldering.

The picture shows a blue EF-200-Bio-PV flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Solar Flux – EF200 Bio PV

EasyFlux EF200 Bio PV has been specially developed for use on solar cells and other sensitive surfaces. Due to the halogen-free activation, an excellent wetting ability is achieved. In addition, it leaves hardly any visible residues. This makes EF200 Bio PV the ideal choice for applications where absolute surface cleanliness is required. According to DIN-EN 16785-2, a 98 percent bio-based content is determined.
 

Product Advantages

  • CO2 savings
  • low residue and non-corrosive
  • excellent peel force resistivity
  • outstanding wettability on solar cells
  • J-STD-004 (modified), class ORL0
     

Application areas

EF200 Bio PV is ideally suited for both automated spray and stringer applications. It can also be used for manual soldering. The flux fulfils the requirements regarding optical cleanliness and leaves only little residues in the soldering system.

The picture shows a blue WF130 flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Water-Based Fluxes – WF130 and WF131

WF130 and WF131 are developments of water-based ORL0 fluxes. Both deliver perfect soldering results and leave very low amounts of electrically harmless residues in combination with an extremely low corrosion potential. These two water-based fluxes are true halogen-free fluxes and contain no VOCs. Due to the very low corrosive potential, both can be classified as L0, which is not often possible with water-based fluxes. The main difference of the WF131 is a further reduction of the residue level, with the small trade-off of a slightly smaller process window.
 

Product Advantages

  • 90 percent CO2 savings
  • No-Clean
  • suitable for lead-free soldering with all common alloys
  • application by spray fluxer
  • non-flammable formulation (VOC content < 1 percent)
  • good wettability and good through-hole filling
  • easy storage and reduced health risks, since water-based
     

Application Areas

WF130 and WF131 show good wetting on oxidised copper as well as on all common protective surfaces (HAL, Ni/Au, chem. Sn and chem. Ag). They also ensure excellent filling of through-holes.

The picture shows a blue WF300S flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Water-Based Flux – WF300S

WF300S is a halogen-free flux designed primarily for consumer electronics manufactured in regular or nitrogen atmospheres. WF300S has been specifically optimised to reduce solder balls between adjacent connections.
 

Product Advantages

  • 90 percent CO2 savings
  • No-Clean
  • extremely effective on poorly solderable surfaces, e.g. oxidized copper
  • optimised for the reduction of solder balls
  • non-flammable formulation (VOC content < 1 percent)
  • easy storage and reduced health risks, as water-based
     

Application Areas

WF300S was developed for use in spray fluxers. The flux has been formulated to work on oxidised copper as well as on all common protective surfaces such as HAL, OSP or Ni/Au.

The picture shows a blue SF1000 Bio Flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Flux for selective soldering – SF1000 Bio

The flux SF1000 Bio was specially developed for selective soldering of electronic assemblies. The low solids content in combination with specially adjusted halogen-free activation results in excellent wettability of a wide variety of surfaces (e.g. OSP, Ni/Au, HAL), even with lead-free solder alloys. According to DIN-EN 16785-2, a 95 percent bio-based content is determined.
 

Product Advantages

  • CO2 savings
  • No-Clean
  • low residue
  • resin-free
  • optimised solids content
  • fast wetting
  • wide process window
  • good penetration
  • J-STD-004C, class ORL0
     

Application Areas

Stannol SF1000 Bio can be used in spray fluxers. It shows good wetting at soldering temperatures in the range of 260 °C to 320 °C. It can also be used in other soldering processes such as wave and dip soldering.

The picture shows a blue AK-1 Bio Flux canister with a white label and black lid. The white label bears the Stannol logo and product specifications.

Special Flux – AK-1 Bio

The halogen-free No-clean flux AK-1 Bio was specially developed for cable tinning, tinning on component connections and soldering on copper or copper-passivated surfaces. According to DIN-EN 16785-2, a 90 percent bio-based content is determined.
 

Product Advantages

  • CO2 savings
  • No-Clean
  • resin-free
  • very well suited for dipping processes
  • J-STD-004 modified, class ORL0
     

Application Areas

AK-1 Bio is preferably applied by dipping. The application method depends on the specific use; brush and dispenser application are also suitable. Dip and wave soldering, induction soldering as well as soldering with hot plate or soldering iron is also possible.

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