... many different products. It consumes about 10wt% of all
plastics. HDPE accounts for nearly 90 wt% of the plastic used. PET
296 Plastic Product Material and Process Selection Handbook
~ ~ _~_-=~.~ ... strength and rigidity, increased resistance to burst pressure,
5 9 Extrusion 2 79
~J
LZ
284 Plastic Product Material and
Process
Selection Handbook
Te...
... of a screw plasticator and controls the relationship between
output rate and pressure drop through a die system or into a mold.
18 Plastic Product Material and Process Selection Handbook
0 ... unit and polymer are shown below.
H H H H H C|H H
H CI H
Repeat unit Polymer chain
8 Plastic Product Material and Process Selection Handbook
(cxothermic reactio...
... pattern is formed. If both
parts of die rotate, then a true rhombic mesh is formed. During the
536 Plastic Product Material and Process Selection Handbook
Microprocessor control generally ... layouts, configurations, and actions
510 Plastic Product Material and Process Selection Handbook
wettability, increasing its critical surface tension. It may also remov...
... 96 Plastic Product Material and Process Selection Handbook
stabilized grade) replaced die-cast aluminum and competing plastics in
this application because ... strengths above 69 MPa (10,000 psi.) Their
100 Plastic Product Material and Process Selection Handbook
level at least equal to such workhorse crystalline plastics as nylon and
acetal.
Isoplast ......
... clear and opaque
plastics
Figure 2 ,9 Examples of the weatherability of
plastics
3 9 Fabricating product 1 39
and to produce many different sizes and shapes of thermoplastic (TP)
and thermoset ... melting of plastics follows
different phases that effect performances. 487
1 56 Plastic Product Material and Process Selection Handbook
Plasticator melting operatio...
... trial and
error method for molding optimization.
184 Plastic Product Material and Process Selection Handbook
and to improve molded part quality and labor productivity. The
Shotscopc process ... is excessive residence time
for the plastic particularly the engineering materials. Any plastic that
174 Plastic Product Material and Process Selection Han...
... area diagram processing window concept
Figure 4,8 Molding volume diagram processing window concept
208 Plastic Product Material and Process Selection Handbook
Another example of a processing ... melt. The gas can be
applied within specific part sections.
222 Plastic Product Material and Process Selection Handbook
used between the plasticator and mold pr...
... blocked,
250 Plastic Product Material and Process Selection Handbook
Figure .5 .9
Simplified water quenched film line
with higher thicknesses associated with specialty products and process
techniques. ... Solvent selection is optimized to increase monomer
262 Plastic Product Material and Process Selection Handbook
extruder and plastic performances...
... is developed
frozen in and throughout the wall thiclmess. Orientation on molecular
332 Plastic Product Material and Process Selection Handbook
thermoplastics. As the plastic exits the die it ... drilling and milling will
produce channels, and it is not usually possible to follow the cavity
contours so closely (Chapter 17).
314 Plastic Product Material
and...