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Automotive plastics require specialized coating agents to enhance durability, weather resistance, and aesthetic appeal. These coatings protect against UV radiation, chemical exposure, and mechanical wear while improving surface smoothness. One such versatile material is paraffin, liquid (CAS No. 8012-95-1), which serves as an effective lubricant and release agent in plastic coatings.
Coating Type | Primary Function | Suitable Plastic Substrates |
---|---|---|
Polyurethane | Scratch resistance, gloss retention | ABS, polycarbonate |
Acrylic | UV protection, color stability | PP, PVC |
Silicone | Water repellency, thermal stability | Nylon, POM |
Paraffin-based | Mold release, surface lubrication | TPE, polyolefins |
Property | Polyurethane | Acrylic | Silicone | Paraffin (Liquid) |
---|---|---|---|---|
UV Resistance | Excellent | Excellent | Good | Fair |
Chemical Resistance | High | Moderate | High | Low |
Abrasion Resistance | Very High | Moderate | Low | Low |
Cost Efficiency | Moderate | High | High | Very High |
Feature | Benefit |
---|---|
Low viscosity | Easy application, uniform film formation |
Hydrophobicity | Reduces moisture absorption in plastics |
Thermal stability | Performs well in molding processes |
Cost-effective | Economical alternative to synthetic coatings |
Method | Best For | Key Considerations |
---|---|---|
Spray coating | Large parts, uniform layers | Requires precise viscosity control |
Dip coating | Complex geometries | May need post-curing |
Roller coating | Flat surfaces | High-speed application possible |
Brushing/wiping | Small batches, touch-ups | Manual labor-intensive |
This hydrocarbon-based coating agent offers:
✔ Excellent mold release properties – Reduces sticking in injection molding
✔ Enhanced surface lubrication – Minimizes friction in moving parts
✔ Thermal stability (up to 200°C) – Suitable for high-temperature processing
While it lacks the UV resistance of acrylics or the durability of polyurethanes, its low cost and ease of application make it ideal for interior components and temporary protective coatings.
Selecting the right coating agent depends on performance needs and cost considerations. Paraffin, liquid (CAS 8012-95-1) provides a practical solution for lubrication and mold release, complementing more advanced coatings in automotive plastic manufacturing.
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