| Best Brazing Practise |
| Silver Soldering Tips |
| Strength of Silver Solder Joints |
| Silver Solder |
| Silver Solder Fluxes |
| Soft Solder Fluxes |
| Flux Cleaning Salts |
| Boiler Fittings/Accessories |
| Cadmium Bearing Silver Solder |
| Cadmium Free Silver Solder & Fluxes Prices incl VAT & Delivery |
| Soft Solders Prices include VAT and delivery |
| Copper Phos Alloys |
| Silver Solders |
| Refrigeration |
| Small Pack Prices - include VAT and delivery |
| Sievert Propane Torches, Burners & Hearths. Prices include VAT & Delivery |
| Joining Aluminium |
| Joining Brass |
| Joining Cast Iron |
| Joining Stainless Steel |
| Joint Cleanliness |
| London Jan 2012 |
| Shepton Mallett 2011 |
| Harrogate May 2012 |
| Guildford Jul 2011 |
| Bristol Aug 2012 |
| Midlands Oct 2012 |
| Sandown 2010 |
| Society Presentations |
| References |
| What the professionals say |
Preforms
Preforms are available in all silver solders as washers, pressed blanks or more commonly rings. They offer distinct advantages over manual brazing with rod.Rings can often increase production rates as once the components have been assembled heating can be carried out using a variety of brazing machines. Production rate is governed purely by the assembly time.
A preform allows the brazing alloy to be fitted internally within a joint. The alloy melts and is drawn to the outside. The presence of a visual ''witness'' is a quick and easy guide to ensuring that a sound brazed joint has been made.
A ring is a very convenient method to meter the amount of brazing material used in a joint. Cost control is simplified.
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