Overview
Engineering reference data for Polypropylene Pp Chemical Resistance in chemistry.
Key Formulas
Ideal Gas Law
Pressure × Volume = moles × gas constant × temperature.
Molarity
Moles of solute per liter of solution.
pH
Measure of acidity.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Pressure | Pa | |
| Volume | m³ | |
| Moles | mol | |
| Gas constant | 8.314 J/(mol·K) |
Chemical Resistance Rating Scale
The chemical resistance ratings used in the tables below follow a standardized 1–5 scale:
| Rating | Description |
|---|---|
| *1 | Excellent — no attack |
| *2 | Good — no significant attack |
| *3 | Acceptable — light attack, limited use |
| *4 | Unacceptable — significant attack |
| *5 | Inferior — possible cracking or dissolving |