Joining Materials

1. Adhesive Bonding
For use with capillary fittings, for applications up to temperatures of 85°C, we recommend Loctite 638

ProductSizePart NumberPriceQuantity
Bottle of Loctite50mlLOC-638£27.77
Aerosol of activator150mlACT-N£9.47
Emery cloth1 sheet 80 grit (230x280mm)Emery£2.03
Cleaning gauze1 pad (225x155mm)Scotch Brite£1.94

Loctite 638
One 50ml bottle will join approximately:-

250 joints with 15mm tubing
190 joints with 22mm tubing
150 joints with 28mm tubing
90 joints with 35mm tubing
70 joints with 42mm tubing
45 joints with 54mm tubing

One aerosol Activator 'N' will be sufficient for approximately two bottles of adhesive.

2. Silver solder & flux
We recommend the use of Easy-flo No 2 and Argo-braze 56

ProductSizePart NumberPriceQuantity
Easy-flo No 21.5mm stickSILVER SOLDER£5.25
Argo-braze 561.5mm stickARGOBRAZE 56£10.7
Tub of flux250gE.F.FLUX£17.08
Tub of flux250gTenacity 5 Flux£17.07
Emery cloth1 sheet 80 grit (230x280mm)Emery£2.03
Cleaning gauze1 pad (225x155mm)Scotch Brite£1.94


One stick of silver solder will make approximately:-

20 joints with 15mm tubing
15 joints with 22mm tubing
10 joints with 28mm tubing
7 joints with 35mm tubing
5 joints with 42mm tubing
4 joints with 54mm tubing

One pot of flux will last about 15 sticks of silver solder

3. Thread Sealing
We recommend the use of Loctite 567

ProductSizePart NumberPriceQuantity
Bottle of Loctite50mlLOC-567£24.19
Activator spray150mlACT-N£9.47
TapeRollPTFE-TAPE£1.16

4. Compression anti-galling paste
We recommend the use of Loctite 567

ProductSizePart NumberPriceQuantity
Bottle of Loctite50mlLOC-567£24.19