Melting Pot Wiki - User contributions [en]

Inclusions

2012-02-14T01:42:05Z

176.8.90.7: znSuZAmgHaBtCJkQ

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Surface mix torch

2012-02-14T00:34:57Z

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Graal

2012-02-13T22:50:54Z

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Glasshole

2012-02-13T21:42:13Z

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Faux-Boro

2012-02-13T21:08:01Z

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Soft glass

2012-02-13T16:14:44Z

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Phantom

2012-02-13T15:59:17Z

176.8.90.7: /* Description */

[[Image:GTT_Phantom.jpg|thumb|GTT Phantom (2-stud version)]]
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== Cooling ==

The torch is designed so that it does not need cooling fins or water cooling. This is done by the Green oxygen being open. Running this cools the torch. The blue valve when cracked will cool the injector and move the flame from the tip. This will prevent most if not all carbon build up.

[[Image:Phantom-face.jpg|thumb|GTT Phantom face]]
== Triple mix ==

A patented system from GTT that has a center injector of oxygen. This, mixed with how the ports built on the Outer oxygen port, create a very hot flame with alot of control and variation in flame character and atmosphere.

== Tips ==

* Always keep your inner oxygen cracked (blue knob)
* Routine maintenance should be done monthly using a nichrome wire and a small wire brush, or possibly more often if you fume regularly

== Links ==

* [http://www.glasstorchtech.com/index1.html Glass Torch Technologies Web Page]
* [http://www.thegldg.com/forum/attachment.php?attachmentid=2152&d=1148190101 US Patent 5803725 - GTT Inner Workings]

[[Category:Tools]]
[[Category:Torches]]

Help:Contents

2012-02-13T14:40:58Z

176.8.90.7: cnimcpOrycNMasgqZ

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Visible Light Hazards

2012-02-13T09:55:05Z

176.8.90.7: PGFUulXerbXTOMOtCA

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NOX hazards to the glassworker

2012-02-13T02:00:51Z

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Chinex

2012-02-12T20:46:22Z

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Borosilicate

2012-02-12T20:30:35Z

176.8.90.7: /* Borosilicate */

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== Manufacturing process ==

Borosilicate glass is created by adding boron to the traditional glassmaker's sand, sodium carbonate, and ground calcium oxide. Borrowing from the welding, new burners combining [[oxygen]] with [[natural gas]] were required to melt the glass.
Although, there are electric ovens that are capable of this.

== Composition and physical characteristics ==

Borosilicate glass has a very low [[COE]], about one-third that of soda lime glass. This reduces material stresses caused by temperature gradients, thus making it more resistant to breaking. This makes it ideal for use in telescopes and labware.
Borosilicate glass begins to soften around 821 °C (1510 °F).
Borosilicate glass is less dense than soda lime glass.

While more resistant to [[thermal shock]] than other types of glass, borosilicate glass can still crack or shatter when it is exposed to extreme temperature changes. Annealing can mitigate some of these properties, but it is an inherant property of glass, with quartz glass being the most shock resistant. When broken, borosilicate glass tends to crack into large pieces rather than shattering.

'''Fraction by weight'''
<table class="wikitable">
<tr>
<th>Element</th>
<th>Fraction</th>
</tr>
<tr>
<td align=center>B</td>

<td>0.040064</td>
</tr>
<tr>
<td align=center>O</td>

<td>0.539562</td>
</tr>
<tr>
<td align=center>Na</td>

<td>0.028191</td>
</tr>
<tr>
<td align=center>Al</td>

<td>0.011644</td>
</tr>
<tr>
<td align=center>Si</td>

<td>0.377220</td>
</tr>
<tr>
<td align=center>K</td>

<td>0.003321</td>
</tr>
</table>

'''Physical characteristics'''<br>
Density = 2.23 g/cm<sup>3</sup><br>

== Usage ==

Borosilicate is most often employed where a glass would be subject to swings in temperature, such as labware and glass pipes.

Artists and craftsman choose to use borosilicate due to the colors that are available, the working properties, thermal properties, and many more reasons.

[[Category:Materials]]

Frit

2012-02-12T19:23:49Z

176.8.90.7: /* Frit */

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Talk:Current events

2012-02-12T15:43:56Z

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Kilnbuilding; Safety Controller Layout

2012-02-12T12:43:35Z

176.8.90.7: /* Kilnbuilding; Safety Controller Layout */

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GTT Mirage

2012-02-12T09:58:44Z

176.8.90.7: /* Overview */

[[Image:Th2_GTT-MIRAGEa.jpg]]

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Triple Blown

2012-02-12T03:22:59Z

176.8.90.7: /* Triple Blown */

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Powder

2012-02-11T23:07:26Z

176.8.90.7: /* Powder */

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Phantom

2012-02-11T20:42:43Z

176.8.90.7: /* Overview */

[[Image:GTT_Phantom.jpg|thumb|GTT Phantom (2-stud version)]]
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== Description ==

The [[Glass Torch Technologies]] Phantom is a [[torch]] consisting of the [[Lynx]] center fire system and an outer ring of ports. The manifold splits the gases coming into the torch into inner chambers and then through tubes to the surface where the gases mix. The mixing of gases on the surface makes it [[surface mix]] as unlike internal mix ([[premix]]). Generally, surface mix torches produce a quieter flame. The chambers are built in such a way as to allow control of the inner fire and outer fire independently. There are three knobs on the manifold for each stage. Red is fuel (propane), Green is main/outer oxygen, and Blue is the center oxygen injection control.

== Cooling ==

The torch is designed so that it does not need cooling fins or water cooling. This is done by the Green oxygen being open. Running this cools the torch. The blue valve when cracked will cool the injector and move the flame from the tip. This will prevent most if not all carbon build up.

[[Image:Phantom-face.jpg|thumb|GTT Phantom face]]
== Triple mix ==

A patented system from GTT that has a center injector of oxygen. This, mixed with how the ports built on the Outer oxygen port, create a very hot flame with alot of control and variation in flame character and atmosphere.

== Tips ==

* Always keep your inner oxygen cracked (blue knob)
* Routine maintenance should be done monthly using a nichrome wire and a small wire brush, or possibly more often if you fume regularly

== Links ==

* [http://www.glasstorchtech.com/index1.html Glass Torch Technologies Web Page]
* [http://www.thegldg.com/forum/attachment.php?attachmentid=2152&d=1148190101 US Patent 5803725 - GTT Inner Workings]

[[Category:Tools]]
[[Category:Torches]]

Pre-mix torch

2012-02-11T13:09:07Z

176.8.90.7: /* Examples */

Pre mix torch: A torch in which the oxidizing and fuel gases are mixed in a chamber prior to exiting the face of the torch and undergoing combustion. These types of torches are commonly used in welding. Pre-mix torches must have flashback arrestors, and or check valves to prevent the ignited gases from traveling back to the tanks.

----

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COE

2012-02-11T07:21:18Z

176.8.90.7: /* Coefficient of Expansion */

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Cold seal

2012-02-11T03:13:08Z

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