Ceramics and Quartz

Alumina
Aluminum Nitride
Boron Nitride
Macor
Quartz

Silicon
Silicon Carbide
Silicon Nitride
Zirconia
Zirconia Toughened Alumina

Metals

Aluminum
BrassCarbon Steel 
Copper
Kovar

Nickel Based Alloys
Stainless Steel 
Titanium
Tungsten Carbide

Polymers

ABS Acrylonitrile Butadiene Styrene
Acrylic
Delrin
Nylon
Teflon
Peek
Polycarbonate

Polyester
Polyethylene
Polypropylene
Polystyrene
Polyurethane
Polyvinyl Chloride
Vespel