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Bullseye Sheet Glass: 2mm Butterscotch Opal Striker 0337.50

1 out of 5 stars (1 Customer Review)

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 Go Back to 2mm Opalescent Glass 

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Product Information
2mm (Thin) Bullseye Opalescent Sheet Glass - Butterscotch Striker.  

A rich, soft brown lighter than Umber and Woodland Opals, which maintains its colour after full firing. This colour is perfect for those who want a warm and sweet brown which accurately fulfils its name.


Selenium, Sulphur

May react with:

Copper, Lead, Silver

Cold characteristics: 

This colour is a striker. Can appear translucent, so the unfired colour may appear different to the image. Slight small mottle and orange-peel texture.

Working notes: 

Becomes opaque on firing. At full fuse and capped with clear glass, the mottling usually remains. When fired uncapped, the mottling is less obvious and the colour evens out to become more consistent.

This style is not suitable for kilncasting because it can opalise and/or become incompatible when held at high temperatures for an extended period.

Key to main image:


All our glass is COE90, Bullseye Glass compatible and suitable for warm glass applications such as glass fusing, glass casting and glass slumping (unless otherwise stated in the description).

Multi Buy at Warm Glass UK

Product Reviews
1 out of 5 stars
1 out of 5 stars Tuesday 14 October, 2014 By Valerie Doyle
I was very disappointed with my recent order of the above glass. I expected the prefired colour to be and opal brown as in the picture above but this now appears to be a striker glass although this is not mentioned in the description.
I have been using this colour in a repeat item and when firing a test piece to the same working temperature the colour is still transparent. Sadly to match my other items it is not possible to fire it at a higher temperature as I need to retain some definition and not fully fuse it.

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