Ryton® PPS is practically unaffected by many organic chemicals, even under conditions that will dissolve or destroy other plastics. There is no organic solvent known to dissolve polyphenylene sulfide at temperatures below about 200°C (392°F), but some classes of organic chemicals have shown a tendency to permeate the PPS polymer matrix (especially at elevated temperatures) causing some plasticizing, swelling, and weakening of the plastic compound. These chemicals include amines (organic compounds containing unoxidized nitrogen), aromatic hydrocarbons (organic compounds that contain at least one benzene ring in the molecular structure), and halogenated organic compounds (organic compounds containing fluorine, chlorine, bromine, or iodine). Ryton® PPS compounds are generally suitable for service with these chemicals at near ambient temperatures, but we urge caution when considering extensive exposure (periods of months or years) at temperatures above about 65°C (150°F), because some swelling and/or softening of the plastic compound could occur. Non-aromatic, non-halogenated alcohols, aldehydes, alkanes, alkenes, esters, ethers, and ketones are all generally suitable for service with Ryton® PPS compounds, even at elevated temperatures.
| Effects of Organic Chemicals on Ryton® R-4 |
|
Chemical
Exposure Conditions |
Tensile
Strength
Retained |
Weight
Change |
Transverse
Swell |
| Aniline |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 1.0 % |
|
| 3 months, 200°F (93°C) |
86% |
+ 5.1 % |
|
| 12 months, 200°F (93°C) |
42% |
+ 5.7 % |
|
| Benzaldehyde |
|
|
|
| 24 hours, 200°F (93°C) |
97% |
+ 1.5 % |
|
| 3 months, 200°F (93°C) |
47% |
+ 5.7 % |
|
| 12 months, 200°F (93°C) |
42% |
+ 6.5 % |
|
| Benzonitrile |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 0.7 % |
|
| 3 months, 200°F (93°C) |
79% |
+ 4.1 % |
|
| 12 months, 200°F (93°C) |
39% |
+ 5.5 % |
|
| n-Butyl Alcohol |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
0.0 % |
|
| 3 months, 200°F (93°C) |
92% |
+ 0.1 % |
|
| 12 months, 200°F (93°C) |
80% |
0.0 % |
|
| Butyl Ether |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
0.0 % |
|
| 3 months, 200°F (93°C) |
89% |
+ 0.7 % |
|
| 12 months, 200°F (93°C) |
79% |
+ 0.8 % |
|
| Butylamine |
|
|
|
| 24 hours, 200°F (93°C) |
96% |
+ 0.8 % |
|
| 3 months, 200°F (93°C) |
46% |
+ 3.5 % |
|
| Carbon Tetrachloride |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 1.0 % |
|
| 3 months, 200°F (93°C) |
48% |
+ 6.5 % |
|
| 12 months, 200°F (93°C) |
25% |
+ 9.9 % |
|
| Chloroform |
|
|
|
| 24 hours, 200°F (93°C) |
81% |
+ 4.0 % |
|
| 3 months, 200°F (93°C) |
77% |
+ 9.0 % |
|
| 12 months, 200°F (93°C) |
43% |
+ 3.9 % |
|
| Cresyl Diphenyl Phosphate |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 0.1 % |
|
| 3 months, 200°F (93°C) |
100% |
+ 2.2 % |
|
| 12 months, 200°F (93°C) |
95% |
+ 0.5 % |
|
| Crude Oil (aromatic) |
|
|
|
| 4 weeks, 200°F (93°C) |
101% |
|
|
| 16 weeks, 200°F (93°C) |
98% |
|
|
| 52 weeks, 200°F (93°C) |
100% |
|
|
| Cyclohexanol |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
0.0 % |
|
| 3 months, 200°F (93°C) |
91% |
+ 0.2 % |
|
| 12 months, 200°F (93°C) |
86% |
+ 0.1 % |
|
| 1,2-Dichloroethane |
|
|
|
| 2 weeks, 200°F (93°C) |
108% |
+ 4.2 % |
+ 2.5 % |
| 8 weeks, 200°F (93°C) |
96% |
+ 4.5 % |
+ 2.8 % |
| 24 weeks, 200°F (93°C) |
104% |
+ 4.3 % |
+ 2.3 % |
| Diesel Fuel |
|
|
|
| 8 weeks, 200°F (93°C) |
100% |
|
|
| 28 weeks, 200°F (93°C) |
94% |
|
|
| 52 weeks, 200°F (93°C) |
99% |
|
|
| 25% Diethanolamine |
|
|
|
| 1 week, 212°F (100°C) |
100% |
|
|
| 4 weeks, 212°F (100°C) |
95% |
|
|
| p-Dioxane |
|
|
|
| 24 hours, 200°F (93°C) |
99% |
+ 1.4 % |
|
| 3 months, 200°F (93°C) |
96% |
+ 5.2 % |
|
| 12 months, 200°F (93°C) |
82% |
|
|
| Ethyl Acetate |
|
|
|
| 2 weeks, 200°F (93°C) |
114% |
+ 0.8 % |
+ 0.8 % |
| 8 weeks, 200°F (93°C) |
111% |
+ 1.9 % |
+ 1.3 % |
| 24 weeks, 200°F (93°C) |
114% |
+ 2.0 % |
+ 1.2 % |
| Ethyl Alcohol |
|
|
|
| 2 weeks, 200°F (93°C) |
100% |
+ 0.1 % |
- 0.8 % |
| 8 weeks, 200°F (93°C) |
102% |
+ 0.6 % |
+ 0.7 % |
| 24 weeks, 200°F (93°C) |
100% |
+ 0.9 % |
+ 0.8 % |
| Freon 113 / 10% Oil |
|
|
|
| 4 weeks, 100°F (38°C) |
101% |
+ 0.1 % |
|
| 12 weeks, 100°F (38°C) |
98% |
0.0 % |
|
| 24 weeks, 100°F (38°C) |
103% |
0.0 % |
|
| Hydraulic Fluid, Aircraft |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 0.03 % |
|
| 1 weeks, 140°F 60°C) |
95% |
+ 0.02 % |
|
| 3 months, 140°F (60°C) |
99% |
- 0.02 % |
|
| Methyl Ethyl Ketone |
|
|
|
| 2 weeks, 200°F (93°C) |
115% |
+ 1.1 % |
+ 1.0 % |
| 8 weeks, 200°F (93°C) |
112% |
+ 1.9 % |
+ 1.7 % |
| 24 weeks, 200°F (93°C) |
115% |
+ 1.9 % |
+ 1.6 % |
| N-Methylpyrrolidinone |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 1.5 % |
|
| 3 months, 200°F (93°C) |
92% |
+ 5.7 % |
|
| 12 months, 200°F (93°C) |
80% |
+ 5.0 % |
|
| Nitrobenzene |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 1.3 % |
|
| 3 months, 200°F (93°C) |
63% |
+ 6.6 % |
|
| 12 months, 200°F (93°C) |
31% |
+ 7.3 % |
|
| Phenol |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 0.5 % |
|
| 3 months, 200°F (93°C) |
92% |
+ 2.3 % |
|
| 12 months, 200°F (93°C) |
63% |
+ 3.1 % |
|
| Refrigerant R-22 |
|
|
|
| 4 weeks, 165°F (74°C) |
108% |
|
|
| 8 weeks, 165°F (74°C) |
107% |
|
|
| 12 weeks, 165°F (74°C) |
121% |
|
|
| Toluene |
|
|
|
| 24 hours, 200°F (93°C) |
100% |
+ 1.1 % |
|
| 3 months, 200°F (93°C) |
70 % |
+ 4.9 % |
|
| 12 months, 200°F (93°C) |
41% |
+ 4.9 % |
| |
|
|
|
|
|
