Select the mortar and pestle that has the right characteristics and price for your application. Mortar and pestle sets come in a variety of different materials of construction. Consideration should be given as to whether what is being used currently is indeed the "right" choice given the lower limits of detection possible with modern analytical instrumentation.

SPI presents a very high quality, state of the art, family of clear fused quartz based products. These products are produced by the leader in the quartz field and uses proprietary processes that give these quartz products an "edge" over all others. We use only the finest GE clear fused quartz for maximum UV transparency!

SPI Supplies brings you only the very highest quality in high vacuum greases. Our website provides needed information to make an informed kind of decision as to which high vacuum grease is going to have the highest likelihood of working in your application. Be sure to use high quality high vacuum grease products for critical high vacuum requirements!

Vacuum greases with outstanding performance under conditions of extreme temperatures and chemical environments. Perhaps best known for their high chemical inertness, the Braycote line of high vacuum greases has been developed to cover a wide range of temperature and chemical environments and are used in a very wide range of applications. Braycote greases are
