Kel-F PCTFE Rod with Low Temperature Resistance
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Product Highlights
- High Vacuum & Pressure Seal: Perfect sealing material for high vacuum systems and high pressure conditions.
- Low Gas Permeability: Extremely low gas permeability ensures superior sealing performance.
- Excellent Creep Resistance: Maintains structural integrity with excellent resistance to creep.
- Dimensional Stability: Remains dimensionally stable over a wide temperature range.
- Low Water Absorption: Water absorption is less than 0.01% for consistent performance.
- Wide Industry Application: Used in semiconductor, chemical, pharmaceutical, and aerospace sectors.
- Customizable Extrusion: Available in extruded plastic forming method with custom density options.
Product Attributes
- Customization
- Available
- Material
- PCTFE Tube
- Kind
- Engineering Plastic Tube
- Model NO.
- PCTFE Tube
- Water Absorption
- <0.01%
- Contraction Percentage
- <0.4%
- Tensile Strength
- 38-48 MPa
- Plastic Forming Method
- Extrusion
- Density
- 1.1-2.18g/Cm³
- Temperature Range ℃
- -200-120 ℃
- Transport Package
- Plastic Film Outside Export Carton
- Specification
- full size and special size can be customized
- Trademark
- hongda
- Origin
- China
- HS Code
- 3902900090
- Production Capacity
- 200tons/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Kel-F PCTFE Rod with Low Temperature Resistance
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Product Description
Product Description
PCTFE is a kind of perfect sealing material under low temperature, high vacuum system and high pressure working conditions. It has excellent rigidity, low temperature resistance, cryogenic fluid resistance, and airflow resistance.
• Perfect material for cryogenic applications
• Dimensionally stable over a wide temperature range
• Extremely low gas permeability.
• Excellent resistance to creep.
• Working temperature from -200°C to +120˚C
PCTFE is widely used for seals in the condition of low temperature with high pressure(gas,liquid nitrogen,liquid xoygen etc.),semiconductor,chemical,pharmaceutical,aerospace and other relevant sealing area.
Technical data for PCTFE tube
| Property | Norm | Value |
| Density(g/cm³) | ISO1183 | 2.1~2.18 |
| Tensile Strength at Break(Mpa) | ISO527 | 38~48 |
| Modulus of Elasticity(Gpa) | ISO527 | 1.45~1.6 |
| Elongation at break(%) | ISO527 | 40~100 |
| Hardness Shore(Shore D) | Durometer | 85 |
| Temperature Range(°C) | / | -200~120 |
| Coefficient of Linear Thermal Expansion(10-4/°C) | ISO11359 | 0.6 |
Application of PCTFE tube/rod
- Cryogenic applications -- super-cold refrigeration components
- Vacuum insulated piping for Liquid Nitrogen or Liquid Oxygen
- Valves -- seats, stems, seals (Butterfly Valves for cryogenic applications were developed for large pipes which are used to transport cryogenic fluids).
- Seals for lip seals with spring energizer, o-rings, v-rings, special construction seals
- Compressors & pumps
- Gaskets -- pressure, diaphragm, liquid gauge seals, fluid handling
- Bearings -- sleeve & thrust
- Stock shapes -- for machining components

Machined parts by PCTFE (Kel-f) tube
Product application
PCTFE is widely used for seals in the condition of low temperature with high pressure(gas, liquid nitrogen, liquid oxygen ect) ,semiconductor, chemical, pharmaceutical,aerospace and other relevant sealing area.

Company introduction:
Hongda was founded in 1999 and it is a professional manufaturer of high-performance plastics in the form of semi-finished products and finished parts.
The products sell well throughout the country and exported to more than 20 countries&areas, which are widely used in chemical industry
semiconductor, gas&oil, pump&valve, water treatment...
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2391098". Items marked "" are certified.
Company Profile
Founded in 1999, Zhuzhou Hongda Polymer Material Co., Ltd(ISO9001: 2008 Certified Enterprice), is a national high& New technology enterprise covering an area of 50000M2 in the XINMA Industrial Park, which is located in Zhuzhou city -- the transportion hub in Southern China.
Main products:
1) Fluoroplastics and Engineering Plastics in Rod/sheet/tube form
(PVDF, PTFE, PCTFE, PFA, FEP, PEEK, UHMW-PE, PA, ABS)
2) Polymer Seals, Spring Energized Seal, Shaft Seals
3) CNC Machined Plastics Parts and mold injection parts
4) RO Membrance Element Components for Water treatment industry.
5) Chemical Piping & Equipments
About Hongda
1. With over 20 years experience in the manufacture of High Performance Plastics
2. One of the China's leading fluoropolymer processors and a global supplier of high performance plastics both semi-finished materials and precision machined components.
3. Main Markets: Oil & Gas, aerospace, semi-conductor, electronics, compressors, chemcial processing, water & Environmental, rail transit & Automotive
About Our Factory & Business Background
- Address
- No. 869 Xianyuehuan Roda, Tianyuan district, Zhuzhou, Hunan, China
- Terms of Payment
- LC, T/T, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, CIP, CPT, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Guangzhou, Shanghai, Shenzhen
Our Production Capability & Technical Expertise
- Main Products
- PVDF, PTFE, PCTFE, PFA, FEP, Peek, UHMW-PE, Valve Seals, Plastics CNC Machined Parts, RO Membrance Components
Our Industry Experience & Global Business Record
- Export Year
- 2007-05-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the water absorption rate of PCTFE?
- The water absorption rate is less than 0.01%.
- What is the tensile strength of PCTFE material?
- The tensile strength at break is between 38 MPa and 48 MPa.
- Is PCTFE suitable for cryogenic applications?
- Yes, PCTFE is a perfect sealing material for cryogenic applications, including super-cold refrigeration components and vacuum insulated piping.
- What payment terms are accepted?
- Accepted payment terms include LC, T/T, Western Union, Small-amount payment, and Money Gram.
- What is the average lead time for orders?
- The average lead time is within one month during peak season and within 15 workdays during the off-season.
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