A Material- any substance that is made of matter e.g. testube- glass, water- chemical, table- wooden synthetic- a non natural material e.g. nylon- trainers, polythene- bag
monomers- single, individual atoms
polymer- a long chain of monomers (atoms)
polymerisation- monomers are chemically converted to polymers
plasticizers- makes things more flexible
sulfur- makes cross links- cross links is what makes rubber hard
HDPE- high, density, poly, ethane
LDPE- low, density, poly, ethane
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