Mistakes made in mold cleaning generally both shorten mold life and reduce product quality. The most common mistakes usually result from incorrect chemical selection and faulty application methods.
Most common mistakes in mold cleaning
1. Incorrect chemical use
- Uncontrolled use of acidic or abrasive cleaners
- Damage to mold surface coating (shine, chrome, nitride, etc.)
2. Inadequate cleaning
- Only superficial cleaning, leaving resin, oil and carbon residues
- Neglecting ventilation channels, especially
3. Overly aggressive mechanical cleaning
- Use of abrasive methods such as wire brushes, sandpaper
- Causing scratches and dimensional distortion on the mold surface
4. Cleaning at incorrect mold temperature
- Applying chemicals to a very hot mold → evaporation and surface damage
- Residues not dissolving in a cold mold
5. Improper lubrication and mold release agent usage
- Excessive silicone spray or incorrect release agent use
- Causing surface defects by accumulation
6. Irregular maintenance plan
- Cleaning only when a problem arises
- Neglecting periodic maintenance
7. Incorrect application with compressed air
- Pushing dirt back into the mold
- Particle accumulation in sensitive areas
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