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PP (Polypropylene): Lightweight, Chemical-Resistant, Electrically Insulating
Lightweight: low density and good processability for diverse structures and mass production.
Chemical resistance: resists many acids, bases, salts, and organic solvents.
Electrical insulation: favorable dielectric properties for E/E components.
Heat performance: long-term service temperature around 100°C (depending on grade/design).
Lightweight Excellent chemical resistance Electrical insulation ~100°C long-term heat
Applications
- E/E parts
- Chemical equipment and piping accessories
- General structural components and brackets
- Food/water-treatment related non-contact components*
* Compliance depends on grade/regulations; refer to specifications.
Material selection highlights
- PP / PP+GF: lightweight, chemical-resistant, insulating → general structures and E/E parts.
- PPS / PPS+GF: chemical-resistant, flame-retardant → E/E and high-temp environments.
- PVDF / PTFE / PFA: high purity, chemical/corrosion/weather resistance → chemical and anti-corrosion uses.
- PEEK / PEEK+GF: high heat resistance and strength → semiconductor/harsh-environment parts.
- PVC: flame-retardant, easy processing → building/cable accessories.
- RENY: high strength/hardness → partial metal replacement.
PP Property Radar
Chemical Resistance List
📋 PP Bolts Chemical Resistance List (Click to Expand/Collapse)
✓ (Excellent) △ (Limited) X (Not recommended) ? (No data)
| Category |
Chemical |
Conc. |
20°C/68°F |
60°C/140°F |
100°C/212°F |
|
Solvents &
Halogenated
Hydrocarbons
|
Acetone |
- |
✓ |
✓ |
✓ |
| Methyl Ethyl Ketone (MEK) |
- |
✓ |
✓ |
✓ |
| Ethanol |
- |
✓ |
✓ |
✓ |
| Methanol |
- |
✓ |
✓ |
✓ |
| Isopropyl Alcohol (IPA) |
- |
✓ |
✓ |
✓ |
| Acetonitrile |
- |
✓ |
✓ |
✓ |
| Toluene |
- |
✓ |
✓ |
✓ |
| Xylene |
- |
✓ |
✓ |
✓ |
| Benzene |
- |
✓ |
✓ |
✓ |
| Chloroform |
- |
✓ |
✓ |
✓ |
| Trichloroethylene |
- |
✓ |
✓ |
✓ |
| Carbon Tetrachloride |
- |
✓ |
✓ |
✓ |
| Alkalis & Salts |
Sodium Hydroxide (NaOH) |
10% |
✓ |
✓ |
✓ |
| Sodium Hydroxide (NaOH) |
50% |
✓ |
✓ |
△ |
| Potassium Hydroxide (KOH) |
10% |
✓ |
✓ |
✓ |
| Ammonia Solution (NH₃ aq) |
10% |
✓ |
✓ |
✓ |
| Sodium Carbonate |
Saturated |
✓ |
✓ |
✓ |
| Sodium Chloride (NaCl) |
Saturated |
✓ |
✓ |
✓ |
| Sodium Hypochlorite |
10% |
✓ |
△ |
X |
| Organic Acids |
Acetic Acid |
10% |
✓ |
✓ |
✓ |
| Acetic Acid |
50% |
✓ |
△ |
X |
| Formic Acid |
10% |
✓ |
✓ |
△ |
| Lactic Acid |
- |
✓ |
✓ |
✓ |
| Citric Acid |
- |
✓ |
✓ |
✓ |
| Inorganic Acids |
Hydrochloric Acid (HCl) |
10% |
✓ |
✓ |
△ |
| Hydrochloric Acid (HCl) |
37% |
✓ |
△ |
X |
| Sulfuric Acid (H₂SO₄) |
10% |
✓ |
✓ |
△ |
| Sulfuric Acid (H₂SO₄) |
50% |
✓ |
△ |
X |
| Nitric Acid (HNO₃) |
10% |
✓ |
△ |
X |
| Phosphoric Acid (H₃PO₄) |
30% |
✓ |
✓ |
△ |
|
Other Organic
Chemicals
|
Ethylene Glycol |
- |
✓ |
✓ |
✓ |
| Propylene Glycol |
- |
✓ |
✓ |
✓ |
| Glycerin |
- |
✓ |
✓ |
✓ |
| Aniline |
- |
✓ |
✓ |
✓ |
| Styrene |
- |
✓ |
✓ |
✓ |
