Zirconia block consists of four layers of zirconia in graduated shades. This product allows the chair side fabrication of natural-tooth-colored restorations – eliminating a time-consuming and difficult situation when staining the restoration.
http://www.zirconiablocks.com/zirconia-block/

PTFE is ideally suited for the labware application because of its legendary resistance to just about anything including strong acids and bases. PTFE labware is also resistant to steam and has a temperature range of use covering the range of -200°C (-390°F) to +300°C (+570°F).
http://www.xieyinglabware.com/....ptfe-labware/ptfe-be

Non-ferrous metals are alloys or metals that do not contain any appreciable amounts of iron. All pure metals are non-ferrous elements, except for iron (Fe), which is also called ferrite from the Latin "ferrum," meaning "iron." Non-ferrous metals tend to be more expensive than ferrous metals but are used for their desirable properties,
http://www.sscmaterials.com/no....n-ferrous-metals/tan

Poly vinyl chloride resin or PVC resin as it is popularly called, is a thermoplastic Resin which can be softened on reheating. A common term for this commodity polymer is Vinyl. Often available in the form of a powder, PVC granules are highly resistant to oxidisation and degradation caused by atmospheric reaction.
http://www.sanxiplastic.com/pvc-resin/

Empty capsule is the most common option to store herbs, powders and medicines. For the instruction of using the empty capsule, put the top half of the capsule over the bottom and press down. Once you've got the bottom of the capsule filled, gently replace the top of the capsule.
http://www.mycapsuletoy.com/empty-capsule-1