Feature●Devardi Glass COE 33 Boro Frit - Captains Jewels - 4 ounce Size 0●Boro Frit Powder - approx. sugar size●Must use propane/oxygen Torch. Will not melt with propane only torch. Not to be mixed with COE 104 (soft glass)●Please click the blue "Devardi Glass" above to see all our listings.Description
Devardi Borosilicate High Quality Glass - COE 33 Can be mixed with other boro glass brands, but no guarantees are given. Please always test first. Not to be mixed with soft glass (COE 104).