Johnson Matthey Mattibraze 45 Cadmium Containing Silver Brazing Alloy

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Johnson Matthey Mattibraze 45 Cadmium Containing Silver Brazing Alloy (discontinued **)
Categories:	Metal; Nonferrous Metal; Precious Metal; Silver Alloy; Solder/Braze Alloy
Material Notes:	Safety Precautions with Cadmium Containing Alloys: Today the potential danger from cadmium fume is widely recognized. The localized extraction of fumes during brazing is now virtually obligatory. The use of cadmium containing alloys is not permitted in the manufacture of food and drink handling equipment and medical instruments. If cadmium containing alloys are felt likely to cause a health hazard then use a cadmium free alloy from the Johnson Matthey Matti-sil range. Full details on exposure levels (OES) are given in the specific Material Safety Data Sheets. These should always be consulted before use of a cadmium bearing brazing alloy. Optimum Joint Gap 0.05 - 0.15 mm. AMS 4769 AWS A5.8-92 BAg-1 BS EN 1044 1999 AG302 Federal Specification QQ-B-564 Vii Equivalent to Engelhard Silvaloy 45 Equivalent to Handy & Harman Easy-flo 45 Information provided by Johnson Matthey.
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Thermal Properties	Original Value	Comments

Melting Point	605 - 620 °C
Solidus	605 °C
Liquidus	620 °C

Component Elements Properties	Original Value	Comments
Cadmium, Cd	24 %
Copper, Cu	15 %
Silver, Ag	45 %
Zinc, Zn	16 %

**
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NJMMJ09 / 17615

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