NEOFLON™ FEP NP-20 by Daikin is a perfluoroethylene propylene (FEP) copolymer of tetrafluoroethylene (TFE) and hexafluoropropylene (HFP). Exhibits high performance, low melt viscosity, high transparency, resistance to weather-, chemicals-, moisture-, light-, flame- and permeation. Shows non-sticking properties, electrical reliability, low reactivity, low critical surface energy, chemical- and thermal stability. Possesses low dielectric constant, dissipation factor with high dielectric strength over a wide range of frequencies and temperatures. Suitable for injection molding of thin wall parts and extrusion processes. Recommended for coatings, films, tubes, small parts, wires and cables. NEOFLON™ FEP NP-20 complies with FDA 21 CFR.177.1550, ISO 9001 (Quality System), ISO 14001 (Environmental System) and Responsible Care 14001 (Safety, Health, Environment and Security).
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NEOFLON™ FEP NP-20 properties
Electrical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Combustibility | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dielectric Constant | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dielectric Constant | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dielectric Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dissipation Factor | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dissipation Factor | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volume Resistivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Compressive Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| MIT Flex | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density, Bulk | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Maximum Service Temperature, Air | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
NEOFLON™ FEP NP-20 Processing Guidelines
Extrusion/Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Mold Temperature | Visible After Login | Visible After Login | |


