Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
Fair
Limited resistance - short-term exposure only
Why is PP resistant to Motor Oil?
PP shows excellent resistance to Motor Oil due to its semi-crystalline structure providing good chemical resistance to acids, bases, and organic solvents at moderate concentrations.
⚠️ When NOT to use PP
Avoid using Polypropylene with concentrated oxidizing acids, chlorinated solvents, and aromatic hydrocarbons. Becomes brittle below 0°C.
Comparison Table — All Materials for Motor Oil
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | NR |
| LDPE | A | C |
| PP | A | C |
| PTFE | A | A |
| PVDF | B | B |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | D | D |
| Viton (FPM) | A | A |
| NBR | C | C |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | NR | NR |
| PVC Flexible | NR | NR |
| PMP | NR | NR |
| Polystyrene | NR | NR |
| SAN | NR | NR |
| Polycarbonate | A | A |
| PETG | A | A |
| Acetal (POM) | A | A |
| Nylon (PA) | A | NR |
| Polysulfone | NR | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
FAQ
Is Polypropylene (PP) resistant to Motor Oil?
Polypropylene (PP) has Excellent (A) resistance to Motor Oil at 20°C. Excellent resistance - recommended for continuous use.
Can I store Motor Oil in Polypropylene (PP) containers?
Yes, Polypropylene (PP) is rated A (Excellent) for Motor Oil.