Hello Ron, Can you tell us who the supplier was ? I am not anxious to be caught this way. Best Regards Dennis ----- Original Message ----- From: "Ron Head" <ron.head@xxxxxxxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Tuesday, October 18, 2005 11:50 PM Subject: [modeleng] Re: Replacable Tips now silver solder > Hi Clif > > I heard another horror story yesterday. If you follow Doug Hewson's > articles in EIM, you will read that he has had to scrap a boiler due to > cracking of the silver solder. I met Doug at the Midlands exhibition > yesterday and he told me that the solder was sold to him as Easyflo, but it > was actually an equivalent supplied by a well known advertiser who also > attends most of the shows. The suspicion is that the silver content is > reclaimed and contains impurities that affect the properties, i.e. causing > embrittlement. Doug says he knows several other people who have had similar > trouble. > > I asked Doug if he quenches his boilers and he says yes (gently with a fine > spray from a hose), but hasn't had this problem of cracking before. The > solder takes on a distinct greyish colour when pickled, instead of the > expected bright colour. > > There would seem to be two lessons here: > 1) Don't quench boilers. > 2) Only buy the best i.e. Johnson Matthey for use on boilers. > > The show, by the way, was brilliant - much better than Donington IMHO. > > Regards > Ron > > > ----- Original Message ----- > From: "Clif Walker" <clif.gwr@xxxxxxxxxxxxxx> > To: <modeleng@xxxxxxxxxxxxx> > Sent: Tuesday, October 18, 2005 9:41 AM > Subject: [modeleng] Replacable Tips > > > > ......Now the box of tips that I was using were purchased at the Harrogate > > show from a tool stand that were selling 12 tool tips in Sandvik boxes, > > cheap. > > After the second broken tip, I put onto the tool a tip that I know is a > > real Sandvik and everything was perfect. > > > > So now the moral of this story is beware of Show Bargains as the actual > > tips in the box judging from the first ones perfomance are definitely not > > Sandvik. > > > > > > Regards > > > > Clif > > > > -- > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.344 / Virus Database: 267.12.4/142 - Release Date: 18/10/2005 > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.