Compatibility Rating
Why is PP resistant to Benzaldehyde?
PP shows excellent resistance to Benzaldehyde 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 Benzaldehyde
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | C |
| LDPE | C | C |
| PP | A | D |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | A | C |
| EPDM | C | D |
| Viton (FPM) | D | D |
| NBR | D | D |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | D | D |
| PVC Flexible | D | D |
| PMP | A | B |
| Polystyrene | D | D |
| SAN | A | D |
| Polycarbonate | D | D |
| PETG | D | D |
| Acetal (POM) | A | NR |
| Nylon (PA) | C | NR |
| Polysulfone | C | C |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Performance degrades significantly at higher temperatures — rated Excellent at 20°C but only Poor at 50°C. For elevated temperatures, consider a more resistant material. Max service temp: 100°C.
🔄 Better Alternative?
Consider: PVDF or PTFE for higher temperatures. View all materials for Benzaldehyde →
FAQ
Is Polypropylene (PP) resistant to Benzaldehyde?
Polypropylene (PP) has Excellent (A) resistance to Benzaldehyde at 20°C. Excellent resistance - recommended for continuous use.
Can I store Benzaldehyde in Polypropylene (PP) containers?
Yes, Polypropylene (PP) is rated A (Excellent) for Benzaldehyde.