Mechanical Seal And Paper Mill Expanded PTFE Sheet
Expanded PTFE Sheet Features
Premium fluoropolymer solutions engineered for exceptional performance, these products are crafted via a rigorous, precision-driven manufacturing process: high-purity PTFE (polytetrafluoroethylene) resin is first compression-molded into dense, homogeneous work blanks, then skived into ultra-thin sheets, tapes, or films using state-of-the-art precision cutting technology. This advanced production methodology ensures consistent thickness (ranging from 0.02mm to 5mm, customizable per requirements), a smooth, non-porous surface finish, and uncompromised retention of PTFE's inherent superior properties.
Leveraging PTFE's natural advantages-including exceptional chemical inertness (resistant to nearly all acids, alkalis, solvents, and industrial media), ultra-low friction coefficient, high thermal stability (operating temperature range: -200°C to 260°C/-328°F to 500°F), and excellent electrical insulation-these products excel in diverse industrial, commercial, and technical applications. The skived format enhances flexibility and conformability, allowing for easy cutting, wrapping, or laminating to suit specific use cases.
1. PTFE Skived Sheet Tape
Main properties
| Property | Unit | Result |
| Appetent density | g/cm3 | 2.10-2.30 |
| Tensile strength (min) | MPa | ≥15.0 |
| Ultimate elongation (min) | % | 150% |
| Dialectic strength | KV/mm | 10 |
Specifications
| Property | Code name |
| Skived sheet | Thickness 0.5-3 |
| Width 900.1000.1200 | |
| Length≥200 | |
| Skived tape | Thickness 0.5-4 |
| Width 100-500 | |
| Length≥1000 |
2. PTFE Skived Film
Main properties
| Item | Thickness |
Thickness allowance |
Thickness |
Widt hallowance |
Length |
| high-density | 0.015,0.030 | ±10% | 30-90 | ±0.3 | ≥50 |
| 0.020,0.035 | |||||
| 0.025,0.040 | |||||
| semi-density | 0.030,0.035 | ±10% | 60-90 | ±0.3 | ≥100 |
| 0.05-0.10 | |||||
| common | 0.020,0.025 | ±10% | 60-90 | ±2.0 | ≥50 |
| 0.030,0.035 | |||||
| 0.040-0.10 |
Expanded PTFE Sheet Specifications
| Property | Unit | High-density | Semi-density | Common |
| Tensile strength | MPa | ≥30 | ≥20 | ≥10 |
| Elongation at rupture | % | ≥30 | ≥60 | ≥100 |
| 1MHz dielectric loss tangent | 2.5×10-4 | -- | -- | |
| 1MHz dielectric constant | average 1.8-2.2 | - | -- | |
|
Dc breakdown voltage (Normal temperature) |
KV/M | average 200 | average 60 | average 30 |
| lowest 40 | lowest 6 |
Applications
Lining,seaing and oil less lubricating material and dielectric at any frequencies. Capacitor dielectric, wire isolation, electrical instrument isolation.
1. What is your MOQ?
MOQ may vary by customer's special requirement; we try our best to meet your business requirement.
2. What's your payment terms?
We normally do T/T, and we can also offer western union account for transfer money. And more flexible payment terms, welcome to have a discuss.
3. Can you provide samples?
Yes, we can offer samples, and some samples are free
4. Can you delivery by express?
Yes, we can delivery by any express.
5. When will the sample be ready?
Normally, the sample can be ready in 3 days.
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