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Lampworking - Notes

 

Product Specifications

 

Frit & Powder:

Powder= Less then .25
F0= .25 - .5mm
F1= .5 – 2.0mm
F2= 2.0 – 4.0mm
F3= 4.0 – 8.0mm

 

Cane

All rods are hand-pulled (sizes will vary)
Length = 430-508MM (17-20IN)
Diameter = 2–5MM (.078-.19IN) & Large Cane = 5-10MM (.19IN - .39IN)

 

Density:

Glass blowers think weight rather than volume when they buy glass. Soda zinc and opal glasses are approximately 2.5g/cc, 28% lead glasses are approx. 3.0g/cc and Enamel White #100 is 3.7g/cc. Contrary to our competitors, most of our opal colors yield 20% more volume per weight owing to the fact they are lead free.

COE = 96

 

Gaffer Glass also employs the trident seal test on all its glass melts, to ensure compatibility to within ±0.5 x 10-7 with all its blowing color range and its master clear glasses.

Gaffer Glass lampworking cane is hand pulled directly from our furnace

An instruction sheet is available regarding the optimum procedure to follow when using Chalcedony G-109 and Blue Chalcedony G-1095 @ www.gaffergirlspyroreport.blogspot.com

Cane is hand pulled, sizes will vary. Length= 400mm (14-16in)/Diameter= 2-4mm, Large Cane Diameter= 5-10mm

Annealing:

We suggest a starting point of 960F- 970F; experiment at first with a few test pieces. Adjust your personal schedule based on your finished results, working style, glass color and kiln. After annealing at this temp, slow ramp down to 770F then fast ramp to 500F before the controller turns the kiln off for a natural overnight cooldown. We’ve also been told 950-960 regular Moretti temperature works well. 

Red Lustre Extra G-066 and Copper Ruby G-075 are striking colors with an annealing point of 914-950. It’s very important to experiment with the temperature and time in the annealer to achieve the right color hue. These colors are quite dense and can be used sparingly unlike cadmium selenium reds.

 

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