DIRECT GLASS DRAW & REDRAW

McDanel Glass Solutions offers precision glass drawing from closed-loop controlled tanks, ensuring accurate inside and outside diameter tolerances across a wide range of glass types and thermal expansions. Our drawn glass products are supported by advanced cutting and finishing capabilities that utilize world-class processes to deliver exceptional quality, consistency, and precision for diverse applications.

Some of our most common glass types include

• • RG93 Blue Glass — 8061/9013 equivalent
  • RG92G — SRI equivalent

• Clear Kovar Sealing Glasses — RSG4, 8250, 7052
• Green Kovar Sealing Glasses — RG47, Fusite K
• Clear Soda Lime (Lead-Free) Glass — SG36 equivalent

Our glass re-draw tubing is ideal for applications such as hermetic packaging, lighting, and specialized sealing beads. We can achieve tolerances as precise as 0.001” on both inner and outer diameters, with tubing available in a broad range of electronic glass types.

Key Features

1. Diameters ranging from 0.27 mm to 4.0 mm
   
   
2. Wall thicknesses down to 0.2 mm
   
   
3. Diameter tolerances up to ±0.03 mm
   
   
4. Diamond cutting tolerances up to ±0.025 mm
   
   
5. Thermal cutting tolerances up to ±0.13 mm
   
   
6. Snap scoring tolerances up to ±0.25 mm
   
   
7. Glazed or fire-polished finishes available
   
   
8. Broad selection of borosilicate, soda-lime, and aluminosilicate glass formulations