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D&L Art Glass Supply
just call 800-525-0940
303-449-8737 • FAX - 303-442-3429
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Lampworking > 90 COE Rods
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Copper Green Lustre 90 COE Rod (sold per pound; 1/4 pound minimum) |
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Bullseye Rods
GRADES
- T grade rods are formulated for flameworking and are not recommended for kilnforming. They include Lustres, Opaques, and other styles.
- F grade rods can be used for both flameworking and kilnforming. They are part of the Bullseye Compatible product line.
- F and T grades may be combined reliably in the torch.
KILNFORMING WITH F GRADE RODS
The material characteristics of F grade rods relate closely to the Bullseye sheet glass palette, with some noteworthy differences, generally driven by the rod-forming process and the nature of the form itself. Comparisons to 3mm sheet glass are drawn here.
Transparents
It is important to consider how color saturation relates to volume and thickness of form. The diameter of a rod is greater than the thickness of standard 3mm sheet and displays more saturated color. Many styles are highly saturated and will reveal lighter coloration if used in small amounts, displaced and thinned through kilnforming methods, or ultimately coldworked to remove material. Conversely, the BE 1800 series has subtle coloration and much greater transparency, which is suitable for working thicker or as visual representation of negative space in thinner works. For medium color saturation, the BE 1500 series (currently unique to rod) has less color saturation and more transparency than its BE 1400 counterpart. As a general guideline, color saturation decreases as the style number increases. Striking transparent pinks and purples likely contain a linear streaked design along the length of the rod, which may also be visible if fired on end. Linear streaking is most prevalent in the following glasses: BE 1215, BE 1232, BE 1234, BE 1305, BE 1311, BE 1334 and BE 1342. Hue and saturation may also differ slightly when compared to sheet glass; a wider range is accepted due to changes that occur in the forming process.
Opalescents
Expect more variation in opalescent rods when compared to sheet glass, with several styles taking on both greater opacity and lighter coloration. This visible shift occurs in sulfur glasses during the forming process and remains stable through kilnforming. Similar comparisons in color and opacity could also be drawn between sheet glass and stringer. (See www.bullseyeglass.com/torchtips for more information about sulfur content.)
When viewed on end, opalescent rods may exhibit a small dark spot—a core that runs the length of the rod. Whether it is a darker version of the rod color or transparent in nature, it generally remains stable through firings and can be used as a design element. This too, is a result of the forming process.
HOW IS BULLSEYE ROD GRADED?
- “F” rod is recommended for kilnwork or torchwork.
- “T” rod is recommended for torchwork only. Only 17 styles are currently graded “T”.
The “F” and “T” grades were created to help kilnworkers who want to incorporate rods in fused work. The grades are essentially irrelevant for torchworkers, since all Bullseye rods are recommended for torchwork.
Bullseye Grade T Rods
All Bullseye rod styles combine safely and reliably in the flame, however, Bullseye rod styles graded "T" are non-fusible for kilnforming. Bullseye
rods are drawn from compatible Bullseye 90 COE glass.
The following Bullseye rods are graded T
- BE R 0014 76 Cobalt Blue Opaque
- BE R 0016 76 Turquoise Opaque
- BE R 0017 76 Mineral Green Opaque
- BE R 0018 76 Periwinkle Opaque
- BE R 0046 76 Bluestone Opaque
- BE R 0064 76 Sterling Blue Opaque
- BE R 0301 76 Pink
- BE R 0305 76 Salmon Pink
- BE R 0313 76 Dense White
- BE R 0334 76 Gold Purple
- BE R 1701 76 Aurene Lustre
- BE R 1707 76 Green Lustre
- BE R 1714 76 Peacock Blue Lustre
- BE R 1717 76 Copper Green Lustre
- BE R 2010 76 Clear and Pink Opal
- BE R 2020 76 Clear and Sunflower Yellow Opal
- BE R 2050 76 Clear and Salmon Opal
 Bullseye Glass Company
Bullseye Glass Company is a manufacturer of colored glass for art and architecture with worldwide distribution and a strong commitment to research, education, and promoting glass art. Bullseye Glass was started in 1974 and is based in Portland, Oregon.
We stock Bullseye’s Double Rolled (30) sheets which have a flatter surface than single-rolled sheets and are ideal for fusing. Thin Rolled (50) are half the thickness of standard glass (1.6 mm) and exceptionally easy to cut.
Ordering Information:
Bullseye Glass is priced by the pound. Average weight of a double rolled (3 mm) sheet is 7.5 pounds (3.5kg) per sheet. Thick-rolled (6 mm or 1/4") is 16 pounds (7kg) per sheet. Thin Rolled are half the thickness and average weight is 2.5 pounds (1 KG) per sheet. Tekta is sold by the square foot.
Bullseye glass bears a 4-digit base code and a 2-digit suffix. In addition, some include a final letter code. The first four digits indicate the base glass; the second two digits indicate surface treatment, profile or thickness.
4-Digit Base Code
0XXX Solid Opal
1XXX Solid Color Transparent
2XXX 2-Color Streaky
3XXX 3-Color Streaky
4XXX Collage Glass
6XXX Ring Mottle
Letter Code
F Fusible/Tested Compatible
2-Digit Suffix Code
22 Herringbone Ripple
25 Iridized Herringbone Ripple
30 Double Rolled (3mm)
31 Rainbow Iridized Double Rolled
33 Double Rolled, 40" long
37 Silver Iridized Double Rolled
| 38 Gold Iridized Double Rolled
43 Reed texture (3 mm)
44 Iridized Reed
45 Accordion texture (3 mm)
46 Iridized Accordion
50 Thin Rolled (1.6 mm)
51 Rainbow Iridized Thin Rolled
53 Reed Thin Rolled
54 Iridized Reed Thin Rolled
55 Accordion Thin Rolled
56 Iridized Accordion Thin Rolled
57 Silver Iridized Thin Rolled
58 Gold Iridized Thin Rolled
60 Thick Rolled (6 mm)
80 Double Rolled (4 mm)
81 Iridized Double Rolled (4 mm)
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Experiemental Bullsye sheets are not run on a standard schedule from the manufacturer and therefore have a limited availability.
Bullseye also manufactures frit, powder, confetti, billets, rods, stix and stringer in three thicknesses - 1mm, 2mm and 0.5mm.
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