JOHNSON MATTHEY SILVER-FLO 55 Cadmium-free Silver (55%ag) Brazing Alloy- 5 rods (c29gms) x 200mm (1m) x 2.0mm plus Easyflo or d21 flux (c6gms). Silver-flo™ 55 is very free flowing and produces neat joints with small fillets.
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The following information is taken from the Brazetec data sheet. In most cases Brazetec d21 flux can be used in. conjunction with 5507. However, flux selection is application dependent. silver brazing alloy and not a soft solder.
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Johnson Matthey Silver-flo 55 Cadmium Free flux-coated silver brazing alloy (55%ag) - 4 rods (c37gms) x 250mm (1.00m) x 2.0mm. The ISO 17672:2016 ag 155classification confirms that this alloy of silver, copper, zinc and tin is fully compliant with current REACH regulations.
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Silver-flo™ 55 is very free flowing and produces neat joints with small fillets. For example, it is used as a substitute for alloys such as Easy-flo™ and Easy-flo™ No.2. Joints made with Silver-flo™ 55 are suitable for seawater applications, being resistant to dezincification.
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Included in the kit is 5Gm of general purpose brazing flux powder with a working range of 500 - 750 deg C. Chemical Composition: Ag 45%, Cu 27%, Zn 25.5%, Sn 2.5%.
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The datasheet of the chemical makeup is in the pictures. P270: Do not eat, drink or smoke when using this product.
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Grading of silver bearing brazing alloys is strictly regulated by EN1044 and other world standards, we only source from quality British or German manufacturers (Johnson Matthey, Brazetec, Eutectic or Thessco).
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1 x 200mm Long x 1.5mm dia. It is sold widely throughout the world and is recognised as one of the best flux powders available. It is very fluid at the bottom end of its working range resulting in early and extensive flux spread.
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