Compatibility Rating
At 20°C
Excellent
Excellent resistance - recommended for continuous use
At 50°C
Excellent
Excellent resistance - recommended for continuous use
Why is HDPE resistant to Silicone Oil?
HDPE shows excellent resistance to Silicone Oil due to its tightly packed molecular structure and chemical inertness to most acids, bases, and salts.
⚠️ When NOT to use HDPE
Avoid using High-Density Polyethylene with strong oxidizing acids (nitric, chromic), chlorinated solvents, and aromatic hydrocarbons. Maximum service temperature is around 80°C.
Comparison Table — All Materials for Silicone Oil
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | A |
| LDPE | A | A |
| PP | A | A |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | A | NR |
| Viton (FPM) | A | A |
| NBR | A | A |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | A | D |
| PVC Flexible | NR | NR |
| PMP | A | NR |
| Polystyrene | C | C |
| SAN | A | A |
| Polycarbonate | A | NR |
| PETG | A | NR |
| Acetal (POM) | A | A |
| Nylon (PA) | A | NR |
| Polysulfone | A | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Good resistance at both 20°C and 50°C. Maximum service temperature for this material is 80°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PP (higher temp) or PTFE (universal). View all materials for Silicone Oil →
FAQ
Is HDPE resistant to Silicone Oil?
HDPE has Excellent (A) resistance to Silicone Oil at 20°C.
Can I store Silicone Oil in HDPE?
Yes, HDPE is rated A for Silicone Oil.