Graded Seals - A borosilicate to Clear Fused Quartz graded seal used to inter-connect Quartz to Borosilicate apparatus. The over all length is 7" (Borosilicate 4" and CFQ 3").

Fritted Discs - For construction of special apparatus incorporating plain edge, fritted discs. Available in both quartz and borosilicate.

Quartz Wool - Fine and Coarse - High Purity product line.

Stopcocks and Valves

• Stopcocks/Straight Bore - Solid Glass Plug Having Single Straight Bore
• Stopcocks/Straight Bore - With Solid Teflon Plug 1:5 Taper
• High Vacuum Valves - w/Teflon Metering Valve & Exposed O-Rings TFE Plug has 3 exposed Viton O-Rings, 2 Shank, 1 Tip. Thip O-Ring provides primary Seal on tapered valve seat.

Quartz Flasks, Beakers and Test Tubes

• Boiling Flask - Round Bottom
• Erlenmeyer  Flask
• Beakers w/Pour Spout
• Test Tubes