<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">My data dump on Chipquick and alternatives:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Chipquick SMD1NL  from: <a href="https://ultrakeet.com.au/write-ups/chipQuik">https://ultrakeet.com.au/write-ups/chipQuik</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">"ChipQuik is essentially an alloy containing Bismuth as its main constituent, which in-itself has an inherently low melting point. Once the alloy is heated and combined with standard Tin/Lead or Lead-Free solder, the overall melting point drops dramatically to just under 60oC (as opposed to the typical 180~200oC for tin-lead)"</font><br></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">This seems plausible but I feel that Chipquick is  already low melting point when I use it.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">from the <a href="https://www.chipquik.com/msds/SMD1NL.pdf">MSDS</a> Chipquik has:</font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Tin: Dust or fumes may cause irritation of the skin mucous membranes and may result in a benign Pneumoconiosis (Stannosis). </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Silver: May cause discoloration of eyes and skin (Argyia). </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Bismuth: May cause foul breath, a blue-black line on the gums, and Stomatitis. </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Antimony: May cause gastrointestinal upset, sleeplessness, irritability, and muscular pain. </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Indium: May cause weight loss, pulmonary edema, blood damage and degenerative changes in liver and kidneys. <br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Copper: apparently this is not too bad!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">No Cadmium!   Toxic to kidneys, lungs, liver. Repeated or prolonged exposure to the substance can produce</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">target organs damage. Repeated exposure to an highly toxic material may produce general deterioration of health by an</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">accumulation in one or many human organs, also probably carcinogenic)</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">From Wikipedia:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><table style="font-size:14px;margin:1em 0px;background-color:rgb(249,249,249);border:1px solid rgb(170,170,170);border-collapse:collapse;color:rgb(0,0,0);font-family:sans-serif"><thead><tr><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%">Alloy</th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%">Melting point</th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Eutectic" title="Eutectic" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Eutectic</a>?</th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Bismuth" title="Bismuth" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Bismuth</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Lead" title="Lead" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Lead</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Tin" title="Tin" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Tin</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Indium" title="Indium" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Indium</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Cadmium" title="Cadmium" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Cadmium</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Thallium" title="Thallium" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Thallium</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Gallium" title="Gallium" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Gallium</a></th><th title="Sort ascending" style="border:1px solid rgb(170,170,170);padding:0.2em 21px 0.2em 0.4em;background-color:rgb(242,242,242);text-align:center;background-repeat:no-repeat;background-position:100% 50%"><a href="https://en.wikipedia.org/wiki/Antimony" title="Antimony" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Antimony</a></th></tr></thead><tbody><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em"><a href="https://en.wikipedia.org/wiki/Rose%27s_metal" title="Rose's metal" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Rose's metal</a></td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">98 °C (208 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">no</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">50%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">25%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">25%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">Cerrosafe</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">74 °C (165 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">no</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">42.5%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">37.7%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">11.3%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">8.5%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em"><span style="font-weight:700">Wood's metal</span></td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">70 °C (158 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">yes</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">50%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">26.7%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">13.3%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">10%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em"><a href="https://en.wikipedia.org/wiki/Field%27s_metal" title="Field's metal" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Field's metal</a></td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">62 °C (144 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">yes</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">32.5%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">16.5%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">51%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">Cerrolow 136</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">58 °C (136 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">yes</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">49%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">18%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">12%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">21%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">Cerrolow 117</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">47.2 °C (117 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">yes</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">44.7%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">22.6%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">8.3%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">19.1%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">5.3%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">Bi-Pb-Sn-Cd-In-Tl</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">41.5 °C (107 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">yes</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">40.3%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">22.2%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">10.7%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">17.7%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">8.1%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">1.1%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td></tr><tr><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em"><a href="https://en.wikipedia.org/wiki/Galinstan" title="Galinstan" style="text-decoration:none;color:rgb(11,0,128);background-image:none;background-position:initial;background-repeat:initial;background-color:initial" target="_blank">Galinstan</a></td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">−19 °C (−2 °F)</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">yes</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em"><1.5%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">9.5-10.5%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">21-22%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">–</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em">68-69%</td><td style="border:1px solid rgb(170,170,170);padding:0.2em 0.4em"><1.5%</td></tr></tbody></table></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">If I had to guess you would want a bunch of Bismuth and some Cadmium so that when you added Tin and lead (Silver and Tin) from the solder it  went to a lower melting point</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><a href="http://www.ebay.com/itm/Similar-Cerro-Bolten-Type-Low-Melt-Casting-Alloy-158F-Bismuth-Tin-Lead-Cadmium-/191708954705?hash=item2ca2be8051:g:lT0AAOSw4HVWEsvq">Woods metal </a>looks promising</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">and it is cheap.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">But then a ton of Cerrolow 117 might work too.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">For me i will probably stay with ChipQuick till I hear what  works!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Cheers,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_extra"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"></div></div></div></div></div></div></div>
M<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;display:inline">​artin​</div></div></div>