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PPS/PSU
Polyphenylene sulfides exhibit outstanding chemical resistance, thermal stability, dimensionally stability, and fire resistance. PPS's extreme inertness toward organic solvents, and inorganic salts and bases make for outstanding performance as a corrosion-resistant coating.
PPS/PSU Specifications
|
PPS 30GF |
PPS 40GF |
PPS 30gF 15PTFE |
PSU 20GF |
PSU 30GF |
| |
Description |
ASTM Test Method |
30% glass filled |
40 % glass filled |
30% Glass filled, 15% PTFE |
Polysulfone 20% glass filled |
Polysulfone 30% glass filled |
| Physical |
Specific gravity |
D792 |
1.50 |
1.60 |
1.66 |
1.38 |
1.44 |
| |
Mold Shrinkage E-3 in/in |
D955 |
3-4 in/in |
2-3 in/in |
6-9 in/in |
1.6-2.0 in/in |
1.5-1.8 in/in |
|
Tensile Strength Break, PSI |
D638 |
17,000 |
19,000 |
19,000 |
13,750 |
14,750 |
|
Tensile Strength Yield, PSI |
D638 |
17,000 |
19,000 |
19,000 |
13,750 |
14,750 |
| Mechanical |
Flexural Strength, PSI |
D790 |
21,000 |
24,000 |
23,500 |
20,500 |
22,500 |
|
Flexural Modulus, PSI x 1000 |
D790 |
1,000 |
1,650 |
1,600 |
800,000 |
900,000 |
|
Notched Izod Impact strength ft-lb/in |
D256 |
0.70 |
1.0 |
1.2 |
1.5 |
1.4 |
| Thermal* |
HDT @66 PSI F |
D648 |
505 |
510 |
510 |
370 |
370 |
| |
HDT @264 PSI F |
D648 |
490 |
500 |
500 |
358 |
360 |
| Flammability |
UL 94 @1/16" |
UL94 |
V-0 |
V-0 |
V- |
|
|
| |
UL 94 @1/8" |
UL94 |
V-0 |
V-0 |
V-0 |
|
|
|
Processing method***** |
|
IM |
IM |
IM |
IM |
IM |
|
Drying Temp F |
|
200-250 |
200-250 |
200-250 |
200-250 |
200-250 |
| Typical Processing Conditions Units |
drying Time(hours) |
|
3-4** |
3-4** |
3-4** |
3-4** |
3-4** |
|
Melt Temp (F) |
|
560-610 |
560-610 |
560-610 |
630-660 |
630-660 |
|
Mold temp(F) |
|
275-350 |
275-350 |
275-350 |
220-280 |
220-280 |
|
Front Zone(F) |
|
550-585 |
550-585 |
550-585 |
600-660 |
600-660 |
|
Middle Zone(F) |
|
550-585 |
550-585 |
550-585 |
620-670 |
620-670 |
| |
Rear Zone(F) |
|
550-600 |
550-600 |
550-600 |
610-650 |
610-650 |
|
* All mechanical and thermal testing conducted on
1/8 thick unpigmeneted test samples
|
|
(Structural foam grades tested with foamed parts,
with a 10-20% weight reduction.) |
|
** Do not exceed 8 hours |
|
*** Do not exceed 24 hours |
|
****Processing Methods: Injection molding (IM), Structural Foam (SF), Extrusion (E) |
|
(t) Notched Izod @ 40F, ft-lb/in. ASTM D256 |
|
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