China Suppliers - Factory Direct Solar Thermal Oven Belts for Module Assembly and Advanced Drying Solutions
Products Description
Our solar drying oven mesh belts use 316L stainless steel with anti-static coating, designed for PV backsheet E-coating and pre-lamination drying. Chemical-resistant structure withstands acid washdown.
Jiangsu Huada’s PV cell drying oven belts are engineered for critical moisture removal in monocrystalline/polycrystalline silicon production. Our 316L stainless steel conveyor systems deliver:
- < 5ppm residual moisture (verified by FTIR analysis)
- 30% faster drying cycles vs. conventional mesh belts
- Zero metal contamination (ICP-MS tested to <0.1ppb)
Key Applications:
- Post-texturing cleaning drying
- PSG removal rinse drying
- Edge isolation process drying
Technical Advantages
✓ Superior Chemical Resistance
- Withstands 1-10% HF / HNO3 residuals
- Passes 1,000-hour salt spray test (ASTM B117)
✓ Optimized Drying Performance
- 85% open area design for laminar airflow
- Mirror-polished surface (Ra ≤0.4μm) minimizes water adhesion
✓ Thin Wafer Protection
- ESD-safe (surface resistance 10⁶-10⁹Ω)
- Rounded edge guides reduce breakage to <0.05%
Performance Comparison Table
| Parameter | Huada Drying Belt | Industry Standard |
| Acid Resistance | Up to 10% HF | ≤5% HF |
| Drying Uniformity | ±1.5% RH | ±5% RH |
| Breakage Rate (160μm) | 0.03% | 0.15-0.3% |
| Energy Consumption | 8.2 kW·h/m² | 12.5 kW·h/m² |
Application Spotlight
Challenge: Inconsistent drying on textured wafers causes efficiency loss.
Solution:
- Material: 316L electropolished stainless steel
- Structure: standoff design reduces contact area
Validation:
- 22% faster drying (180s → 140s)
- Metal contamination <0.1ppb (ICP-MS)
Customer Case Study
TOPCon Cell Manufacturer Testimonial:
After switching to Huada’s drying belts, we achieved:
- "0.03% breakage rate (previously 0.18%)
- €75k/year LN2 cost savings
- Zero corrosion after 3-year DH2000 testing"
Detail Pictures
Frequently Asked Questions (FAQ)
Q: What makes Huada drying belts suitable for solar cell manufacturing?
Our belts are constructed from 316L stainless steel with anti-static coatings, offering exceptional acid resistance (up to 10% HF), an 85% open area for laminar airflow, and ultra-low wafer breakage rates.
Q: How does the belt reduce wafer breakage during the drying process?
The conveyor utilizes rounded edge guides and a specialized standoff design to minimize contact area and mechanical stress, reducing the breakage rate of ultra-thin wafers down to 0.03%.
Q: Can the mesh belt withstand corrosive chemical washdowns?
Yes, the 316L electropolished stainless steel construction is engineered to withstand 1-10% HF and HNO3 residual acids and has passed the 1,000-hour ASTM B117 salt spray test without corrosion.
Q: Does the mesh belt prevent static electricity accumulation?
Yes, our belts are ESD-safe with a surface resistance ranging from 10⁶ to 10⁹ Ω, effectively eliminating static build-up during continuous high-speed wafer processing.
Q: How does this belt improve production drying efficiency?
Featuring an 85% open area and a mirror-polished surface (Ra ≤0.4μm) to minimize water adhesion, our belts achieve 30% faster drying cycles and lower energy consumption down to 8.2 kW·h/m².