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Small Spherical Bowl Mould 8146 (13.2cm diameter x 3.3cm)

Price £19.35 Inc VAT (£16.13 Ex VAT)

 Go Back to Circular Moulds 

All prices include VAT.

Stock Status: More than 10 in stock
Ref:
Z-G018
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Product Information
Small Spherical Bowl Mould  

Create beautifully rounded bowls (without a flat base). This little mould makes for a perfect side salad dish.


Inner Dimensions: Diameter: 13.2 cm, Height: 3.3 cm 
Outer Dimensions: Diameter: 14.8 cm, Height: 5.3 cm 
Even radius throughout the mould, no base.

Please note that all our moulds are hand-made and therefore the dimensions may vary slightly from those shown. We strongly recommend cutting the glass to the size measured from the actual mould rather than relying solely on the dimensions shown.

Will this mould fit in my kiln?

Perfect for using with the 13.5cm clear pre-cut circle. Since the mould is hand-made its dimensions may be slightly smaller than the pre-cut circle. Your glass blank can overhang the mould slightly without any problems. Wider than 0.5cm and there is a risk that the blank may catch on the side of the mould during slumping.

 

Firing Schedule:

Please Read: This firing recommendation has been calculated using Bullseye Glass with a thickness of 6 mm in a Paragon GL24 kiln, and is courtesy of Bullseye Glass Co. 

Segment Rate (C/hr) Temp. Hold
1 111C 660C :20
2 999 482C 1:00
3 56C 371C :00
4 999 21C :00

Troubleshooting

  • Small kilns may require the process temperature reducing. In the Hobbyfuser and HotStart Pro, reduce the top temperature from 660C to 637C. In the Firebox 14, reduce the top temperature from 660C to 617C. All kilns vary, as does glass viscosity. Testing is necessary.

  • Remove the shelf when slumping in small kilns.

  • Side firing kilns may require more time in the first ramp than top firing kilns.

  • Bubbles in slumping are caused by firing too high or holding too long at process temperature.

  • Cracked moulds or cracked glass is caused by firing too fast in the first ramp or cooling too fast.

  • Devitrification on the outside of a slumped piece is caused by firing too high or holding too long at process temperature.

All our moulds are designed for multiple use and with care should last for many firings.


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