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Old 2018-02-15, 2:53pm
WOBGnut WOBGnut is offline
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Join Date: Jan 26, 2018
Location: Northern Virginia
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Hi All, since I wasn’t getting any replies on this, I contacted Sandberg (CBS) directly. Got a very helpful answer from Howard Sandberg who passed on the following:
GLOW TIP SHEET
GLOW PIGMENT

• MUST BE FULLY ENCASED INSIDE GLASS. CUT YOUR CLEAR CAP LARGE ENOUGH TO FULLY ENCAPSULATE ALL EDGES AND TRAP PIGMENT INSIDE.
• PIGMENT CAN HANDLE TEMPERATURES UP TO 1800F
• KEEP PIGMENT DRY, EVEN DURING/AFTER COLDWORKING
• CAN BE MIXED WITH GLASS POWDER FOR CASTING ETC., BUT DO NOT EXCEED 30% PIGMENT TO GLASS RATIO
• CAN BE MIXED WITH ANY BINDER, GLAZE, OVERGLAZE OR ANY OTHER CLEAR MEDIUM USED FOR HOTWORKING.
• HANDLE PIGMENT AS IF IT WERE GLASS POWDER (USE PROPER BREATHING FILTER AND VENTILATION)
• STORE PIGMENT IN A COOL DRY PLACE

He also added answers to my specific questions regarding working on a torch.
Does it burn off in the flame like dichroic - YES, IT IS SIMILAR TO DICHROIC IN THAT IT NEEDS PROTECTION FROM THE HOT FLAME. THE PIGMENT IS DESTROYED AT 1800 DEGREES F.

does it need to be applied and then encased? YES, ONLY BECAUSE WATER WILL DESTROY THE GLOW EFFECT. THUS, FULLY ENCASE AND PLAN IF YOU ARE COLDWOKING DON'T LET WATER TO ENTER BETWEEN LAYERS TO THE GLOW.

Can it be mixed in with color rods or only trans parents? IT CAN BE MIXED WITH ANY GLASS, BUT REMEMBER IT IS NOT GLASS. THINK OF IT MORE AS AN "INCLUSION" INSIDE THE GLASS. DO NOT MIX MORE THAN 30% PIGMENT TO 80%GLASS IF MIXING IN WITH POWDERS, FRIT, ETC.

Does it work only on surface or can be used in implosions? IT CAN BE WORKED ON THE SURFACE AND/OR MARVERED IN, AS LONG AS IT IS FULLY ENCASED AT THE END.
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