Semi-Finished FEP: Sheet, Rod, Tube & Plate Manufacturer
High-Clarity FEP Sheet, FEP Rod, FEP Tube & FEP Film Manufacturer In China for Solar, Chemical & Medical Applications.
What is Semi-finished FEP?
Semi-finished FEP is the ideal raw material for engineers and machinists who need to fabricate custom parts with exceptional chemical resistance and high clarity. Our comprehensive range includes FEP sheet, FEP rod, FEP tube, FEP film and FEP plate, supplied in standard sizes ready for precision machining into seals, insulators, sight glasses, and other critical components.
Trusted by Solar Panel Manufacturers & Chemical Plants Worldwide
FEP Sheets, Rods, Tubes & Films – Premium Fluoropolymer Solutions
Our comprehensive range of FEP materials combines exceptional optical clarity with outstanding chemical resistance. From FEP sheet for chemical tanks to FEP heat shrink tubing for wires, our products deliver superior performance in solar energy, chemical processing, and medical applications with 92% light transmission and UV resistance exceeding 25 years.
FEP Materials Overview
| Property | FEP Sheet | FEP Rod | FEP Tube | FEP Film |
|---|---|---|---|---|
| Light Transmission | 92% @ 550nm | 90% @ 550nm | 91% @ 550nm | 94% @ 550nm |
| Operating Temperature | -200°C to +200°C | -200°C to +200°C | -200°C to +200°C | -200°C to +200°C |
| Dielectric Strength | >100 kV/mm | >100 kV/mm | >100 kV/mm | >120 kV/mm |
| UV Resistance | 25+ years | 25+ years | 25+ years | 30+ years |
| Chemical Resistance | 98% H2SO4, HNO3 | 98% H2SO4, HNO3 | 98% H2SO4, HNO3 | 98% H2SO4, HNO3 |
| Flame Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 | UL94 V-0 |
| FDA Compliance | 21 CFR 177.1550 | 21 CFR 177.1550 | 21 CFR 177.1550 | 21 CFR 177.1550 |
| Typical Applications | Chemical tanks | Machined parts | Wire insulation | Solar frontsheet |
FEP Materials Applications
- Solar panel frontsheets and backsheets
- Chemical processing equipment linings
- Wire and cable insulation systems
- Medical device components
- Semiconductor manufacturing equipment
- Optical and lighting applications
FEP Sheet | High-Clarity Chemical Tank Linings
Our FEP sheet for chemical tanks provides exceptional chemical resistance and optical clarity for demanding applications. Available in thicknesses from 0.1mm to 25mm, these high-clarity FEP sheets offer superior UV resistance and maintain transparency even after prolonged exposure to aggressive chemicals and UV radiation.
FEP Sheet Specifications
| Parameter | Thin Sheet (0.1-1mm) | Standard Sheet (2-10mm) | Thick Plate (12-25mm) |
|---|---|---|---|
| Thickness Range | 0.1mm - 1mm | 2mm - 10mm | 12mm - 25mm |
| Standard Sizes | 1000×1000mm, 1200×1200mm | 1000×1000mm, 1200×1200mm | 600×600mm, 800×800mm |
| Thickness Tolerance | ±0.02mm | ±0.05mm | ±0.1mm |
| Light Transmission | 94% @ 550nm | 92% @ 550nm | 90% @ 550nm |
| Haze | ≤2% | ≤3% | ≤5% |
| Tensile Strength | ≥20 MPa | ≥22 MPa | ≥24 MPa |
| Elongation at Break | ≥300% | ≥280% | ≥250% |
| Surface Quality | Optical grade | Industrial grade | Standard grade |
FEP Sheet Applications
- Chemical storage tank linings and vessel protection
- Semiconductor wet bench construction
- Laboratory equipment transparent windows
- Food processing equipment surfaces
- Pharmaceutical manufacturing components
- Optical instrument protective covers
FEP Rod Supplier | Precision Machining Applications
As a leading FEP rod supplier, we manufacture high-quality FEP rods with exceptional dimensional stability and chemical resistance. Our FEP rods are ideal for precision machining applications requiring optical clarity, chemical inertness, and excellent electrical insulation properties.
FEP Rod Specifications
| Parameter | Small Diameter (3-20mm) | Medium Diameter (25-80mm) | Large Diameter (100-200mm) |
|---|---|---|---|
| Diameter Range | 3mm - 20mm | 25mm - 80mm | 100mm - 200mm |
| Length | Up to 3000mm | Up to 2000mm | Up to 1000mm |
| Diameter Tolerance | ±0.05mm | ±0.1mm | ±0.2mm |
| Straightness | ≤0.5mm/m | ≤1mm/m | ≤2mm/m |
| Surface Finish | Ra ≤ 0.8 μm | Ra ≤ 1.2 μm | Ra ≤ 1.6 μm |
| Light Transmission | 92% @ 550nm | 90% @ 550nm | 88% @ 550nm |
| Machining Tolerance | ±0.02mm | ±0.05mm | ±0.1mm |
| Typical Applications | Precision components | Chemical equipment | Large vessel parts |
FEP Rod Applications
- Chemical processing equipment components
- Semiconductor manufacturing parts
- Laboratory instrument components
- Electrical insulation applications
- Optical equipment housings
- Medical device components
FEP Tubing & Heat Shrink | SEMI F57 Compliant
Our comprehensive FEP tubing range includes standard FEP tubing and FEP heat shrink tubing for wires. SEMI F57 FEP tube products offer exceptional chemical resistance, optical clarity, and electrical insulation for semiconductor, chemical, and wire protection applications.
FEP Tubing Specifications
| Parameter | Standard FEP Tubing | FEP Heat Shrink Tubing | SEMI F57 FEP Tube |
|---|---|---|---|
| Inner Diameter | 1mm - 100mm | 1.6mm - 50mm | 3mm - 25mm |
| Wall Thickness | 0.5mm - 5mm | 0.2mm - 2mm | 1mm - 3mm |
| Shrink Ratio | N/A | 2:1, 3:1, 4:1 | N/A |
| Operating Temperature | -200°C to +200°C | -65°C to +200°C | -200°C to +200°C |
| Dielectric Strength | >100 kV/mm | >80 kV/mm | >120 kV/mm |
| Light Transmission | 91% @ 550nm | 88% @ 550nm | 93% @ 550nm |
| Extractable Ions | ≤10 ppb | ≤20 ppb | ≤0.5 ppb |
| Typical Applications | Chemical transfer | Wire protection | Semiconductor |
FEP Tubing Applications
- Wire and cable insulation protection
- Chemical fluid transfer systems
- Semiconductor chemical delivery
- Medical device tubing applications
- Laboratory analytical equipment
- High-temperature electrical insulation
FEP Heat Shrink Tubing Features
Multiple Shrink Ratios
2:1, 3:1, and 4:1 shrink ratios available
High Temperature Rating
Continuous operation up to 200°C
Chemical Resistance
Resistant to acids, bases, and solvents
Optical Clarity
Transparent for visual inspection
FEP Transparent Film | Photovoltaic Frontsheet Solutions
Our FEP transparent film and photovoltaic FEP frontsheet products deliver exceptional optical clarity and UV resistance for solar applications. UL94 V-0 FEP film provides superior weatherability and maintains 94% light transmission for maximum solar panel efficiency over 30+ years.
FEP Film Specifications
| Parameter | Ultra-Thin Film (12-50μm) | Standard Film (75-250μm) | Photovoltaic Film (300-500μm) |
|---|---|---|---|
| Thickness Range | 12 - 50 μm | 75 - 250 μm | 300 - 500 μm |
| Width | Up to 1000mm | Up to 1500mm | Up to 2000mm |
| Thickness Tolerance | ±5% | ±3% | ±2% |
| Light Transmission | 96% @ 550nm | 94% @ 550nm | 92% @ 550nm |
| Haze | ≤1% | ≤2% | ≤3% |
| UV Resistance | 25+ years | 30+ years | 35+ years |
| Tensile Strength | ≥25 MPa | ≥28 MPa | ≥30 MPa |
| Flame Rating | UL94 V-0 | UL94 V-0 | UL94 V-0 |
FEP Film Applications
- Solar panel frontsheets and backsheets
- Architectural membrane structures
- Greenhouse and agricultural films
- Chemical-resistant protective films
- Optical windows and lenses
- Release films for composite manufacturing
Solar Application Benefits
Maximum Light Transmission
94% transmission maintains peak solar efficiency
30+ Year UV Resistance
Proven weatherability in harsh environments
Weight Reduction
60% lighter than glass frontsheets
Self-Cleaning Surface
Low surface energy reduces dirt accumulation
FEP Film for Solar Energy
Problem：Glass Panels Increase Module Weight by 40%
Traditional glass frontsheets significantly increase solar module weight, leading to higher installation costs, structural requirements, and transportation expenses. Glass is also prone to breakage and requires careful handling during installation and maintenance.
Solution：Our 250μm FEP Films Reduce Weight While Maintaining 25+ Year UV Resistance
Our photovoltaic FEP frontsheet provides 60% weight reduction compared to glass while maintaining 94% light transmission and superior UV resistance. The flexible nature of FEP film reduces breakage risk and simplifies installation processes.
Glass vs FEP Frontsheet Comparison
| Parameter | Glass Frontsheet | FEP Frontsheet | Advantage |
|---|---|---|---|
| Weight (per m²) | 12-15 kg | 0.5-1.2 kg | 92% lighter |
| Light Transmission | 91-93% | 94% | Higher efficiency |
| UV Resistance | 25+ years | 30+ years | Longer lifespan |
| Impact Resistance | Brittle, prone to cracking | Flexible, impact resistant | No breakage |
| Installation Cost | High (heavy lifting equipment) | Low (manual handling) | 50% cost reduction |
| Self-Cleaning | Requires frequent cleaning | Self-cleaning surface | Lower maintenance |
Chemical Resistance Guide
Comprehensive comparison of FEP vs PTFE vs PFA chemical resistance across 30+ common industrial chemicals. Our extensive testing data helps you select the optimal fluoropolymer for your specific chemical environment.
Chemical Resistance Comparison: FEP vs PTFE vs PFA
| Chemical | Concentration | Temperature | FEP | PTFE | PFA |
|---|---|---|---|---|---|
| Sulfuric Acid | 98% | 150°C | Excellent | Excellent | Excellent |
| Nitric Acid | 70% | 100°C | Excellent | Excellent | Excellent |
| Hydrochloric Acid | 37% | 80°C | Excellent | Excellent | Excellent |
| Sodium Hydroxide | 50% | 100°C | Excellent | Excellent | Excellent |
| Hydrofluoric Acid | 48% | 60°C | Excellent | Excellent | Excellent |
| Chlorine Gas | Dry | 150°C | Excellent | Excellent | Excellent |
| Acetone | 100% | 60°C | Excellent | Excellent | Excellent |
| Methanol | 100% | 65°C | Excellent | Excellent | Excellent |
| Toluene | 100% | 80°C | Excellent | Excellent | Excellent |
| Benzene | 100% | 80°C | Excellent | Excellent | Excellent |
| Ethyl Acetate | 100% | 77°C | Excellent | Excellent | Excellent |
| Dimethyl Sulfoxide | 100% | 100°C | Excellent | Excellent | Excellent |
Resistance Rating Legend
No effect, suitable for continuous use
Minor effect, suitable for most applications
Moderate effect, limited use recommended
Significant effect, not recommended
FEP Unique Advantages
Superior Optical Clarity
94% light transmission - highest among fluoropolymers
Excellent Processability
Lower processing temperature than PTFE and PFA
Outstanding UV Resistance
30+ years outdoor weatherability
Non-Stick Properties
Lowest surface energy for easy cleaning
Semi-Finished FEP Manufacturing Excellence
Our state-of-the-art manufacturing facility produces high-quality FEP materials with stringent quality control and international certifications. As a leading FEP manufacturer China and FEP film supplier Asia to Euro, North America market, we maintain consistent quality and reliable delivery worldwide.
Extrusion Technology
Advanced extrusion lines for FEP sheets, rods, and tubes
- Multi-layer co-extrusion capability
- Precise thickness control ±2%
- Optical grade surface finish
Film Production
Blown film and cast film production for FEP films
- Ultra-thin film capability (12μm)
- Wide width up to 2000mm
- UV stabilization treatment
Heat Shrink Production
Specialized production of FEP heat shrink tubing
- Multiple shrink ratios (2:1 to 4:1)
- Precise wall thickness control
- High-temperature crosslinking
Quality Control
Comprehensive testing and certification laboratory
- Optical transmission testing
- UV weatherability testing
- Chemical resistance validation
Quality Certifications & Standards
Our FEP materials meet the highest international quality standards and industry-specific certifications, ensuring reliable performance and regulatory compliance for solar, chemical, and medical applications.
UL94 V-0
Flame retardant rating for electrical and solar applications
FDA 21 CFR 177.1550
Food contact substance approval for medical and food applications
SEMI F57
Semiconductor industry standards for ultra-pure FEP materials
ASTM D149
Dielectric strength testing for electrical insulation applications
