Glossary of Terms

Glossary of Terms

Catalyst- A substance usually used in small amounts relative to the reactants, that either causes or accelerates the rate of a chemical reaction without being affected in the process.


De-gassing – Emitting a gas (odor) making it porous.


Food-grade quality- Good enough to be used in foods


Hygienic- Sanitary, Cleansing


Hypoallergenic/Allergen Free – Contain little or few potential allergic irritants


Medical Grade Quality – Good enough to be used medically


Phthalates/Plasticizers – Chemicals used to make harder materials much softer.


Polymer- A natural or synthetic compound that has large molecules made up of repeated simple monomers


Porous- Allow a gas or liquid to pass through the pores


Resin- A large class of synthetic products that have similar properties of natural resins but differ chemically


Thermoplastic- Something that becomes hard when cooled and soft when heated.


Thermoset- Something that is permanently hard when heated or cured