[Home | UST Glass UST Glass is the premier supplier of borosilicate glass. With 3 warehouses around the country we are always heavily stocked. Check out our selection of clear and color borosilicate tubing, rods, ground joints and dichro sheets plus a variety of laboratory and industrial glass. We carry Northstar Glass, Greasy Glass, Trautman Art Glass, Schott Boro Artistic, Schott Duran, Duran Group ground joints, Asian clear and color tube, rod and ground joints. Colorado Color company lined tubing, Acadian Glassworks Opals, Griffin Glass Tools, Dichromatic Dichro Sheets, Taffy Tubes, Volcanic Sands.]