Seeds in Amber Glass

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james tobaiwa Participant Join Date: Dec 2012 Posts: 1	Seeds in Amber Glass 12/07/2012 7:07 AM
	We are having seeds in amber glass in an electric fired furnace of 140tonnes. We have tried the option of draw reduction but for a while it worked but as of now the results are not positive.the seed count is high and color is out of speck. and the furnace temperature is 1440.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: glass 12/07/2012 7:11 AM
	1440 what? __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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redfred Guru Join Date: Dec 2008 Location: Long Island NY Posts: 15600 Good Answers: 981	#3 In reply to #1 Re: glass 12/07/2012 11:13 AM
	1440° Rankine of course. 1440° Newton would be arcane and excessive since quartz liquefies at about 400° N. __________________ "Don't disturb my circles." translation of Archimedes last words
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ozzb Guru Join Date: Mar 2007 Location: Rosedale, Maryland USA Posts: 5197 Good Answers: 266	#2 Re: Seeds in Amber Glass 12/07/2012 8:24 AM
	Sound like improper match of coloring agents. Iron Oxides and Sulphur. Seeds in amber glass using these has aways been a problem. Reduction of seeding has been found by using Copper Oxide. In replace for some of the Iron and Sulphur. __________________ Life is not a journey to the grave with the intention of arriving in a pretty, pristine body but rather to come sliding in sideways, all used up and exclaiming, "Wow, what a ride!"
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Wal Guru Join Date: Jun 2011 Location: Phnom Penh Posts: 4019 Good Answers: 102	#4 Re: Seeds in Amber Glass 12/09/2012 12:08 AM
	Don't try to "fix" it. Leave it the way it is and market your product as a specialty product. Charge a premium for the unique feature that your secret process produces. __________________ Difficulty is not an obstacle it is merely an attribute.
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ozzb (1); PWSlack (1); redfred (1); Wal (1)

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