JOHN WINTER
CRUCIBLES AND FURNACE REFRACTORIES
CRUCIBLES, GRAPHITE BOWLS AND FURNACE REFRACTORIES
Morgan Crucibles, Slag Bowls and steel Hardwear for Core & Mould production.
John Winter has a range of Morgan crucibles, slag bowls and graphite plungers for manual and rotary degassing aluminium and aluminium bronze. Steel Casting Ladles for pouring aluminium are available in mild steel and stainless steel.
In stock is a vast range of metal hardwear for core and mould production like studs/ chaplets, sprigs, core wire and nylon vent.
Crucibles
For melting Aluminium, Copper Alloys and Iron
Silicon Carbide
Himelt & Excel
Crucibles
Melting Aluminium
2 types of durable crucible for melting lead, zinc and aluminium alloys.
Himelt crucibles are rated for lower temperatures from 850 to 1250C
Excel crucibles are rated to higher temperatures from 1000 to 1400C
Available in a vast range of sizes. Some sizes in stock.
Clay Graphite
Salamander Super
Crucibles
Copper Alloys & Iron
Salamander Super crucibles are a very durable. Rated to temperatures from 850 to 1650C. They are ideally suited to melting copper alloys and grey iron.
Available in a vast range of sizes. Some sizes in stock.
Ladle and Furnace Relining Materials
Mouldable refractory for ladles & spouts and induction furnaces
Mouldable Refractory
Winram4
Ladle Reline
WINRAM4 is a soft, Mid Alumina , easily mouldable refractory for ladles, furnace spouts and especially good for relining and patching up smaller cupolas.
Its a refractory that strikes the balance between cost and performance.
Mouldable Refractory
Winram5Z
Ladle Reline
WINRAM5Z is a High Alumina refractory with zircon for very high temperature applications. Its firm to mould, sets very hard and can endure the most demanding furnace temperatures up to 1600C.
Mouldable Refractory
Winram7
Ladle Reline
WINRAM7 is a High Alumina, soft, easily mouldable, durable refractory for spouts and especially good for lining ladles for use with iron and steel. Rated to 1600C.
Mouldable Refractory
WinramST
Coarse Extemely Hard
Setting Refractory
An extremely hard wearing tough refractory for the most demanding applications like furnace tap holes, induction furnace collars and furnace spouts where metal temperatures can exceed 1600C.
Induction Furnace
Coil Plaster
Self Setting Plaster
Related Products
A fine, pre-mixed alumina plaster for crack repairs on furnaces and ladles.
Temporary Repair
Clay Ganister
Cost Effective, Low Temperature Repairs
A clay ganister suited to lower temperature applications in areas where there will be no impact. Often used as a quick, low cost, temporary repair ganister to seal gaps.
Insulation Blanket
Prevent Heat Losses and Maintain Metal Temperatures
Insulating Blanket
Ceramic Blanket
High Temp
Ceramic Blanket can withstand very high temperatures up to 1460C. Must be handled with great care to minimise dust and dust mask worn at all times.
Insulating Blanket
Body Soluble
Blanket
High Temp
Body Soluble insulating blanket is a high temperature blanket that contains no ceramic fibre. Its rated to lower temperature than ceramic blanket but safer to use. Maximum temperature rating is 1300C.
Insulating Blanket
Ceramic Matting
High Temp
A range of ceramic matting is available from 2mm up for 12mm. Multiple applications. Often used as insulating backing for ladles and crucible furnaces before refractory bricks or mouldable Winram7 is installed.
Casting Plaster
A comprehensive range of casting plasters for moulding.
Casting Plaster
Fine Casting Plaster
Sculpting
Fine Casting Plaster is a premium grade plaster from Saint Gobain. John Winter stocks a vast range of plasters and all of them can be foundry at www.johnwinterdental.co.uk/plaster-diestone
Graphite Bowls
Sample spoons, slag bowls,
Graphite Bowls
NB10 Sampling
Spoon
Sampling Spoon
The NB10 is a small, double lipped graphite sampling spoon for ferrous and non ferrous applications.
Graphite Bowls
VB18/A Spoon
Sampling Spoon
The VB18/A is a small sample spoon suitable for pouring small test pieces like spectrometer coins samples and thermal analysis cups on a Digilab/Melt Monitor to determine CEL, C & Si.
Graphite Bowls
VB5 Spoon
Angled Sample Spoon
The VB5 is a larger sample spoon with angle handle attachment for easy of use to scoop out molten metal from a ladle or furnace. The VB5 has a large enough capacity to pour cast iron test bars.
Graphite Bowls
NB20 Spoon
Large Sample Spoon
The NB20 is a larger capacity sample spoon. Can be used as a casting pot or for taking larger samples like test bars.
Graphite Bowl
NB28/5 Slag Bowl
Slag Removal
The NB28 is a smaller slag/dross scoop with a flater profile and drains valuable metal.
Graphite Bowls
VB8 Slag Bowl
Slag Removal
The VB8 Slag Bowl is a large diameter bowl for easy slag removal. A solid, robust slag spoon with thick wall section for more arduous conditions on inductions furnaces.
Graphite Bowls
NB31 Slag Bowl
Slag Removal
The NB31 Slag Bowl is a large diameter bowl for easy slag removal on non ferrous metals. The thinner wall section makes it ideal for scooping large volumes of aluminium/ copper alloys.
Graphite
Plunger
Degassing
The graphite plungers are for degassing non ferrous alloys with tablets. Ideal for use with our range of tablet products for processing grades of aluminium that must have a low Iron content. Can be used with copper alloys and iron.
Steel
Non Ferrous Dross Scoop
Flux Removal
This large steel dross scoop is perfect for removing dross and spent flux from the surface of larger crucibles. Clean up the dross and save on valuable liquid aluminium, lead or zinc alloy.