Description
uses: polypropylene is a thermoplastic
resin. depend upon the existing differences among its
molecular structures ,it can be (classified into 3 varieties,
namely: the radom
polypropylene, the isotactic polypropylene and the syndiotectic
propylene. isotactic
polypropylene produced by industrial method is an odourless and
tasteless white power
or
granules. it has a specific gravity of 0.*0 to 0.*1, and an
operating temperature
ranged
from **0℃ to **0℃. it is a high heat-resisting polymer with a
good tenacity
and
strong chemicalresistance.)
it is
used mainly in the manufacture of plastic products, such as
househcld utensils,
radio
and tv installations, packing films, weaving bags, farmland mulch
films,
sterilized medical apparatus etc. it is also used in the production
of synthetic fibres
(binglon).