Performance Chart for Diaphragms
| Abbreviation | S | U | R | T | V | ||
|---|---|---|---|---|---|---|---|
| Materials | NeopleneR | Nytrel | HytrelR | TeflonR | VitonR | ||
| Standard | Use in high temperature | Solid | Standard | Use in hight temperature | |||
| Water resistance | B | A | A | A | A | A | - |
| Oil resistance | B | A | A | A | A | A | - |
| Solvent resistance | D | D | B | D | A | B | - |
| Acid resistance | C | C | C | B | A | B | - |
| Alkali resistance | B | C | B | B | A | C | - |
| Heat resistance | C | C | B | A | D | B | A |
| Durability | B | B | A | A | D | C | C |
| Price ratio (Approx.) | 1 | 1 | 1.7 | - | 2 | 2.8 | 4 |
| Features and Applications |
Usable to Slightly acidic liquid and alkalescent liquid |
Oil resistance Gasoline can be used |
Excellent in
durability Equal to VitonR for chemical resistance Use of acid liquid not recommended |
Use of liquid upto 140°C (284 °F) possible |
Usable to most of chemical liquids Lack in duarability, discharge capacity and heat resistance |
Heat resistance and chemical resistance Lack in alkaliproof |
Use of liquid upto 120°C (248°F) possible |
NOTE A : Excellent B : Good C : Satisfactory D : Not recommended