FEP Coating Powder
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method/ Standards |
| Appearance | / | White Powder | Visual inspection |
| Particle Size D50 | μm | 30~50 | GB/T 19077.1 |
| Melt Flow Index (5kg,372℃) | g/10min | ≥1 | GB/T 3682 |
| Melting Point | ℃ | 260±10 | GB/T 19466.3 |
| Spray Coating Thickness | μm | 30~200 | GB/T 13452.2-2008 |
| Bulk Density | g/mL | 0.8~1.0 | GB/T 31057.1-2014 |
| Contact Angle (Water/Hexadecane) | ° | 102/48 | GB/T 30447-2013 |
| Maximum Operating Temperature | ℃ | 204 | / |
FEP Powder
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method/ Standards |
| Appearance | / | White Powder | Visual inspection |
| Melt Flow Index | g/10min | ＞0.1 | GB/T 3682 |
| Particle Size | μm | 0~100 | / |
| Melting Point | ℃ | 265±10 | GB/T 28724 |
| Moisture Content | % | ≤0.05 | GB/T 6284 |
FEP Resin
PHYSICAL PROPERTIE
| Item | Unit | MK-11 | MK-12 | MK-13 | Test Method / Standards | ||
| A | B | H | |||||
| Appearance | / | Semi-transparent pellets, free from inclusions such as metal scraps and sand grains. The percentage of pellets with visible black spots shall not exceed 1%. | HG/T 2904 | ||||
| Melt Flow Index | g/10min | 0.8~2.0 | 2.1~5.0 | 5.1~8.0 | 8.1~12.0 | 5.1~12.0 | GB/T 3682 |
| Tensile Stress，≥ | MPa | 28.0 | 26.0 | 22.0 | 25.0 | GB/T 1040 | |
| Strain at Break，≥ | % | 320 | 310 | 310 | 330 | GB/T 1040 | |
| Relative Density | / | 2.12~2.17 | GB/T 1033 | ||||
| Melting Point | ℃ | 265±10 | GB/T 28724 | ||||
| Dielectric Constant
(106Hz)，≤ |
/ | 2.15 | 2.07 | GB/T 1409 | |||
| Dielectric Dissipation Factor
(106Hz)，≤ |
/ | 7.0×10-4 | 5.7×10-4 | GB/T 1409 | |||
| Heat-Resistant Stress Cracking | / | No cracking | / | HG/T 2904 | |||
| MIT Flex Endurance，≥ | cycles | / | / | 30000 | ASTM-D2176 | ||
Film-grade ETFE
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method/ Standards |
| Appearance | / | Semi-transparent pellets, the percentage of pellets with visible black spots shall not exceed 2% | Visual inspection |
| Melt Flow Index | g/10min | 15.1～25.0 | ASTM D3159
（297℃，5KG load） |
| Melting Point | ℃ | 220～230 | D-3159 |
| Specific Gravity | g/cm3 | 1.76～1.85 | HG/T 2904—1997 |
| Rockwell Hardness | HB | 50～60 | D-2240 |
| Tensile Strength（23℃） | Mpa | 28～45 | HG/T 2904—1997 |
| Elongation at Break（23℃） | % | 300～450 | HG/T 2904—1997 |
| Notched Impact Strength（23℃） | Ft-lb/in | No Break | HG/T 2904—1997 |
| Water Absorption Rate | % | ≤0.03 | HG/T 2902—1997 |
| Oxygen Index | % | Above 50 | GB/ T 2406-93 |
| Flame Retardancy | Level | V-0 | GB/T 2408-2008 |
| Dielectric Constant | / | ≤2.4 | HG/T 2904—1997 |
| Dielectric Loss | / | 0.008 | HG/T 2904—1997 |
| Dielectric Breakdown Voltage（0.2mm） | KV | Above 7.5KV | ASTM D149 |
| Glass Transition Temperature | ℃ | 80～120 | DMA |
| Operating Temperature | ℃ | -50～150 | UL-746 |
High-frequency & Low-dielectric FEP
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method/ Standards |
| Appearance | / | Semi-transparent pellets, free from inclusions such as metal scraps and sand grains. The percentage of pellets with visible black spots shall not exceed 1%. | HG/T 2904 |
| Melt Flow Index | g/10min | 35~42 | GB/T 2410 |
| Tensile Strength | MPa | ≥21.0 | GB/T 1040 |
| Elongation at Break | % | ≥320 | GB/T 1040 |
| Relative Density | / | 2.12~2.17 | GB/T 1033 |
| Melting Point | ℃ | 260±10 | GB/T 19466.3 |
| Dielectric Constant (1 MHz) | / | ≤2.10 | GB/T 1409 |
| Dielectric Dissipation Factor (1MHz) | / | ≤4.0×10-4 | GB/T 1409 |
| Dielectric Constant (2.45 GHz) | / | ≤2.10 | GB/T 1409 |
| Dielectric Dissipation Factor (2.45 GHz) | / | ≤4.0×10-4 | GB/T 1409 |
| Dielectric Constant (10 GHz) | / | ≤2.05 | GB/T 1409 |
| Dielectric Dissipation Factor (10 GHz) | / | ≤4.0×10-4 | GB/T 1409 |
High-purity PFA
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method/ Standards |
| Appearance | / | Semi-transparent pellets, the percentage of pellets with visible black spots shall not exceed 5% | Visual Inspection |
| Melt Flow Index | g/10min | 16.1～24.0 | / |
| Tensile Strength (23℃) | MPa | 24～35 | GB/T 1040.1-2018 |
| Elongation at Break (23℃) | % | 300～350 | GB/T 1040.1-2018 |
| Specific Gravity (25℃) | g/cm3 | 2.12～2.17 | GB/T 1033.1-2008 |
| Dielectric Constant (10⁶Hz) | / | ≤2.1 | GB/T 1409-2006 |
| Dielectric Dissipation Factor (10⁶Hz) | / | ≤1×10-4 | GB/T 1409-2006 |
| Melting Point | ℃ | 300～310 | / |
| Volatile Matter | % | ≤0.3 | HG/T 2904-1997 |
| Hardness (Shore D) | Shore D | 50～60 | GB/T 2411-2008 |
| Flame Retardant Rating | Level | V-0 | GB/T 2408-2021 |
| Limiting Oxygen Index (1.57 mm) | % | ＞95 | GB/T 2406-2009 |
High-purity PVDF
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method / Standards |
| Appearance | / | Granular | Visual inspection |
| Melt Flow Index | g/10min | ≥1 | GB/T 3682 |
| Tensile Strength | MPa | ≥35 | GB/T 1040 |
| Elongation at Break | % | ≥25 | GB/T 1040 |
| Relative Density | / | 1.77~1.79 | GB/T 1033 |
| Melting Point | ℃ | 165~175 | GB/T 28724 |
| Thermal Decomposition Temperature | ℃ | ≥380 | GB/T 33047 |
| Hardness(Shore D) | / | 70~80 | GB/T 2411 |
| Note | F, Cl, Al, Cu, Ba, Fc, Ni, and TOC conform to SEMI F57 standard | ||
High-strength PVDF
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method / Standards |
| Appearance | / | Granular / Powder | Visual inspection |
| Melt Flow Index | g/10min | 2~8 (10kg weight) | GB/T 3682 |
| Tensile Strength | MPa | ≥35 | GB/T 1040 |
| Elongation at Break | % | ≥25 | GB/T 1040 |
| Relative Density | / | 1.77~1.79 | GB/T 1033 |
| Melting Point | ℃ | 165~175 | GB/T 28724 |
| Thermal Decomposition Temperature | ℃ | ≥380 | GB/T 33047 |
| Hardness(Shore D) | / | 70~80 | GB/T 2411 |
Injection-molding / Extrusion-grade PVDF
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method / Standards |
| Appearance | / | Semi – transparent Pellet | Visual inspection |
| Melting Point | ℃ | 160~165 | GB/T 19466.3 |
| Melt Flow Index | g/10min | 1~25 | GB/T 3682 |
| Tensile Strength | MPa | ≥35 | GB/T 1040 |
| Elongation | % | ≥200 | GB/T 1040 |
| Thermal Decomposition Temperature | ℃ | ≥380 | GB/T 33047 |
| Moisture Content | % | ≤0.1 | GB/T 6284 |
| Relative Density | / | 1.77~1.79 | GB/T 1033.1 |
| Hardness(Shore D) | / | ≤80 | GB/T 2411 |
Lithium-ion Battery Electrode Binder-grade PVDF
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method / Standards |
| Solubility | / | The solution should be clear, transparent, and colorless or slightly yellow. It should be free of impurities and insoluble matter. | Visual inspection |
| Rotational Viscosity | mPa˙S | 200~400 | 0.1g/g NMP |
| Melt Mass Flow Rate | g/10min | 1.0~6.0 | / |
| Standard Relative Density | / | 1.76~1.77 | / |
| Moisture Content | % | ≤0.10 | Loss on drying |
| Melting Point | ℃ | 162~170 | ASTM D3418 |
Lithium-ion Battery Separator-grade PVDF
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method / Standards |
| Appearance | / | White Powder | Visual inspection |
| Particle Size D50 | μm | 10±5 | GB/T 19077.1 |
| Relative Density | g/cm³ | 1.75-1.77 | GB/T 1033.1 |
| Melting Point | ℃ | 155±5 | GB/T 19466.3 |
| Moisture Content | % | ≤0.1 | GB/T 6284 |
| Thermal Decomposition Temperature | ℃ | ≥380 | GB/T 33047 |
| Melt Flow Index | g/10min | ≤4.0 | GB/T 3682，230℃/12.5kg |
| Rotational Viscosity | mpa.s | 500~4000 | 25℃，0.1g/g NMP |
Medical-grade FEP
PHYSICAL PROPERTIE
| Item | Unit | Index | Test Method / Standards |
| Appearance | / | Semi-transparent pellets, free from inclusions such as metal scraps and sand grains. The percentage of pellets with visible black spots shall not exceed 1%. | HG/T 2904 |
| Melt Flow Index | g/10min | 5.1~12.0 | GB/T 2410 |
| Tensile Strength | Mpa | ≥ 25.0 | GB/T 1040 |
| Elongation at Break | % | ≥ 330 | GB/T 1040 |
| Relative Density | / | 2.12~2.17 | GB/T 1033 |
| Melting point | ℃ | 250~270 | GB/T 19466.3 |
| MIT cycles | cycles | ≥ 40000 | GB/T 457-2008 |
