### substance | latex:

Rubber
* Also feed materials for the manufacturing synthetic rubber.
* Most rubber creates friction.
* Some rubber absorbs heat
  - causes chemical reaction
* Some rubber comes from flower plants
  - contains carbon
* Some rubber has conductivity
  - high resistance
  - low conductivity
  - ohm resistance
  - uses for defense
  - rubbers keep their original properties better than others
* also deteriorates over time.
* appears mainly to be used for flooring in Australia.
* based adhesive are very aggressive and work with a wide range of substrates.
* based adhesives also have good quick stick performance
  - provide excellent adhesion to corrugated materials
  - inks take a longer time to dry
* comes from latex.
* common component of stoppers, cap liners, and parts of dropper assemblies.
* consists of a combination of natural proteins and added chemicals.
* controlled commodity and is mainly marketed in the form of smoked rubber sheets.
* degrades naturally under exposure to heat and oxygen.
* fold-down eyecups fold down for use when wearing eyeglasses.
* freezes and breaks at low temperature.
* good example of a naturally occurring polymer
  - insulator, and that's why rubber is used to cover wires in an electric cord
* has a full outer valence shell
  - relatively large friction coefficient when tested on most surfaces
  - many different things it is used for
* includes thermoplastic rubber.
* is also an ingredient in rubberized asphalt, which is used to pave streets and highways
  - important to their economy
* is an electrical insulator
  - important product in the lightly industrialized, mineral deficient South
  - best for shock absorption
  - considered to be an insulator
  - contests
  - easier to walk and run on than conventional ground coverings
  - inanimate objects
  - light in weight
* is located in cabinets
  - classrooms
  - drug stores
  - drugstores
  - freeways
  - houses
  - tires
  - trash
  - wallets
* is made from long-chain polymer molecules
  - of giant molecules tied together to form a network
  - more flexible, and is able to stretch and shrink repeatedly
* is natural products
  - substances
  - neither a metal or an electrical conductor, thus preventing electrolytic corrosion
  - obtained primarily from Hevea , although latex is used from other genera as well
  - one of the ingredients of bubble gum
  - porous, therefore it retains small amounts of residue
* is produced from the latex of Hevea
  - when chemicals are added to the latex to increase elasticity and strength
  - rotted by oil
  - saps
  - solid objects
  - solids
* is the most important cash crop , though cocoa, coffee, and palm oil are also produced
  - widely used of the contact roll materials
  - primary commercial crop
  - water repellent and resistant to alkalies and weak acids
* locking casters are useful on stools to prevent tipping.
* makes up balloons.
* processed plant product that's derived from latex.
* product of the rain forest.
* protects hands from garlic smell.
* provides protection.
* reduces stress on vital joints in the human body.
* sanding blocks are for use with wet or dry sanding paper.
* severely affects silver.
* soled footwear is preferable to leather soles.
* thermoset elastomer which is more difficult to process and mold.
* vary in composition.

### substance | latex | rubber:

Butyl rubber
* have outstanding impermeability to gases and excellent oxidation and ozone resistance.
* is recommended for use because it cleans up easily with water.
* is the material of choice when handling hydrazine
  - single, large market for high purity isobutylene
  - used in inner tubes and as insulation
* suitable material for personal protective equipment.
* synthetic elastomeric co-polymer of isobutylene with a small percent of isoprene.