PEEK Fittings









Why PEEK is used on analytical instruments instead of stainless steel components?
Our PEEK Fittings are biocompatible and offers excellent chemical resistance. They are simple
to use and an economical choice.
Features:
- Made of high-purity PEEK, with high strength, corrosion resistance, high pressure resistance and good biocompatibility.
- The maximum withstand voltage is about 40MPa.
- Integral design, no need for ferrule, convenient and easy to use, reusable
- A variety of specifications are available, and can also be customized.
- Suitable for PEEK tubing or fluoroplastic tubing with an outer diameter of 1/16.
Size Diagram

No. |
External thread | Applicable OD(mm) |
Materail/color |
Pressure resistance | Head type |
JHZT-1601 |
10-32UNF/Cone |
1/16" | PEEK /Natural |
30MPa |
m=0.8 Knurled |
JHZT-1602 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 35MPa | m=1.0 Knurled |
JHZT-1603 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 27MPa | m=0.8 Knurled |
JHZT-1604 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 30MPa | m=1.0 Knurled |
JHZT-1605 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 35MPa | Knurled+Flat position |
JHZT-1606 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 25MPa | Arc type knurling |
JHZT-1607 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 30MPa | Hexagon |
JHZT-1609 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 30MPa | m=0.8 Knurled |
JHZT-1610 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 40MPa | Knurled+Hexagon |
JHZT-1611 | 10-32UNF/Cone | 1/16" | PEEK /Natural/Black | 33MPa | Hexagon |
JHZT-1612 | 10-32UNF/Cone | 1/16" | PEEK /Natural | 40MPa | m=1.0 Knurled |
What is PEEK?
PEEK and its modified composite materials show excellent performance under high temperature and high humidity conditions. PEEK have excellent chemical corrosion resistance, self-lubricating, and wear-resistant properties, so it has become the most ideal material to replace copper alloys and ordinary rubber. Compared with them, PEEK has longer service life which can reduce equipment operating costs, improve equipment operating reliability.


High Temperature Performance
PEEK's performance can remain stable in the temperature range from -196°C to 260°C. Under extreme working conditions, it can withstand 300"C for a short time. The performance of PEEK is still reliable even in high temperatures of several kilometers underground work environment.

High Strength and Wear Resistance
Compared with other plastics, PEEK is resistant to compression, impact and also have good fatigue resistance. PEEK is durable in mechanical equipment and wear-resistant environments.

Double the Service Life
PEEK sealing solutions can improve the part service life. Some domestic chemical companies use the PEEK5600FE20 polytetrafluoroethylene modified material designed by JUNHUA PEEK to replace the original material, the service life of the wear parts can even be extended by 1.3-3 times.

Corrosion Resistance
PEEK is chemically inert, and has no reaction to most acids, oils, greases and all other organic and inorganic solvents or enzymes, and can still maintain good strength and dimensional stability.

Self-lubricating
PEEK has low friction coefficient, low running resistance, can be used without oil in some working conditions. The equipment is cleaner, thus improving process reliability, improving energy efficiency and saving costs.

More dom in Design
Injection molds can be used for rapid injection molding of large quantities of complex special-shaped parts, and the cost is low compared to machining.
Explore Our PEEK-type Instruments

Our High purity, corrosion resistant and low dissolution PEEK material has been widely used
in analytical chromatography equipment, preparative and semi-preparative chromatography
equipment, protein purification equipment, IVD equipment, sample pretreatment equipment,
pharmaceutical and environmental monitoring equipment and other related equipment.
More then 1000+ related products manufactured by JUNHUA® PEEK are well recognized and
selected by our clients of analytical instrument.
Typical product: PEEK Fitting, PEEK Union, PEEK Connector, PEEK plug, PEEK Chromatographic
column, PEEK filtering column, PEEK digesting vessel, PEEK tubing, PEEK sampling
needle...more details please check below our brochure.
Contact Us
PEEK-type Instruments Case Study
It is that not only these components must be chemically resistant, but also be made of
ultra-pure material to ensure that it does not affect the analytical results, PEEK have all
these excellent material proprties. In addition, the high abrasion resistance of peek
prevents deformation or breakage of the components, making them more durable and
cost-efficient.
JUNHUA® PEEK enables high-precision injection moulded and CNS parts metering with minimum
pressure loss, and precision moulding and durability in applications such as ultra-high
pressure liquid chromatography, deliver fabrication and end-use efficiencies in laboratory
analytical equipment.
PEEK Typical Data
Item | Standard | Data | Units |
Color | - | Natural | |
Density | ISO 1138 | 1.3±0.01 | g/cm3 |
Water Absorption (25℃.24Hrs) | ISO 62 | 0.05 % | |
Melting temperature | ISO 11357 | 343 | ℃ |
Distortion Temperature | ISO 75-1/-2 | 163 | ℃ |
Continuous service Temperature | UL 74685 | 260 | ℃ |
Thermal expansion coefficient | ASTM D696 | 4.7*10-6 | /K |
Tensile Strength (23℃) | ISO 527 | 100 | MPa |
Tensile modulus (23℃) | ISO 527 | 3.8 | GPa |
Tensile Elongation (23℃) | ISO 527 | 27 % | |
Bending Strength (23℃) | ISO 178 | 163 | MPa |
Bending Modulus (23℃) | ISO 178 | 3.5 | GPa |
Impact Strength(23℃) | ISO 604 | 123 | MPa |
Lzod Impact Strength (No notched) | ISO 180/U | No Break | kJ/m2 |
Poisson Ratio | ISO 527-2 | 0.4 | |
Rockwell Hardness | GB3398.2 | 118 | |
Flammability | UL 94 (1.5 mm) | V-0 | |
Dielectric strength | IEC 60243-1 | 18 | KV/mm |
Dielectric constant | IEC 60250 | 3.2 | |
Thermal Conductivity | ISO 22007 | 0.28 | W/(m·K) |
Surface Resistance | IEC 90093 | 1015 | Ω |
Item | Standard | Data | Units |
Color | - | Black | |
Density | ISO 1138 | 1.4±0.03 | g/cm3 |
Water Absorption (25℃.24Hrs) | ISO 62 | 0.05 % | |
Melting temperature | ISO 11357 | 343 | ℃ |
Distortion Temperature | ISO 75-1/-2 | 315 | ℃ |
Continuous service Temperature | UL 74685 | 260 | ℃ |
Thermal expansion coefficient | ASTM D696 | 1.5*10-6 | /K |
Tensile Strength (23℃) | ISO 527 | 125 | MPa |
Tensile modulus (23℃) | ISO 527 | 9.3 | GPa |
Tensile Elongation (23℃) | ISO 527 | 2.5 % | |
Bending Strength (23℃) | ISO 178 | 271 | MPa |
Bending Modulus (23℃) | ISO 178 | 9.1 | GPa |
Impact Strength(23℃) | ISO 604 | 196 | MPa |
Lzod Impact Strength (No notched) | ISO 180/U | 38 | kJ/m2 |
Poisson Ratio | ISO 527-2 | 0.35 | |
Rockwell Hardness | GB3398.2 | 123 | |
Flammability | UL 94 (1.5 mm) | V-0 | |
Dielectric strength | IEC 60243-1 | - | KV/mm |
Dielectric constant | IEC 60250 | - | |
Thermal Conductivity | ISO 22007 | 0.95 | W/(m·K) |
Surface Resistance | IEC 90093 | 105 | Ω |
Item | Standard | Data | Units |
Color | - | Natural | |
Density | ISO 1138 | 1.5±0.01 | g/cm3 |
Water Absorption (25℃.24Hrs) | ISO 62 | 0.05 % | |
Melting temperature | ISO 11357 | 343 | ℃ |
Distortion Temperature | ISO 75-1/-2 | 315 | ℃ |
Continuous service Temperature | UL 74685 | 260 | ℃ |
Thermal expansion coefficient | ASTM D696 | 2.2*10-6 | /K |
Tensile Strength (23℃) | ISO 527 | 110 | MPa |
Tensile modulus (23℃) | ISO 527 | 7.9 | GPa |
Tensile Elongation (23℃) | ISO 527 | 3.5 % | |
Bending Strength (23℃) | ISO 178 | 214 | MPa |
Bending Modulus (23℃) | ISO 178 | 7.5 | GPa |
Impact Strength(23℃) | ISO 604 | 142 | MPa |
Lzod Impact Strength (No notched) | ISO 180/U | 41 | kJ/m2 |
Poisson Ratio | ISO 527-2 | 0.35 | |
Rockwell Hardness | GB3398.2 | 122 | |
Flammability | UL 94 (1.5 mm) | V-0 | |
Dielectric strength | IEC 60243-1 | 17 | KV/mm |
Dielectric constant | IEC 60250 | 3.4 | |
Thermal Conductivity | ISO 22007 | 0.31 | W/(m·K) |
Surface Resistance | IEC 90093 | 1015 | Ω |
Item | Standard | Data | Units |
Color | - | Black | |
Density | ISO1138 | 1.44±0.05 | g/cm3 |
WaterAbsorption(25℃.24Hrs) | ISO62 | 0.05% | |
Meltingtemperature | ISO11357 | 343 | ℃ |
DistortionTemperature | ISO75-1/-2 | 315 | ℃ |
ContinuousserviceTemperature | UL74685 | 260 | ℃ |
Thermalexpansioncoefficient | ASTMD696 | 2.4*10-6 | /K |
TensileStrength(23℃) | ISO527 | 70 | MPa |
Tensilemodulus(23℃) | ISO527 | 4.0 | GPa |
TensileElongation(23℃) | ISO527 | 2.5% | |
BendingStrength(23℃) | ISO178 | 100 | MPa |
BendingModulus(23℃) | ISO178 | 4.0 | GPa |
ImpactStrength(23℃) | ISO604 | 135 | MPa |
LzodImpactStrength(Nonotched) | ISO180/U | 26 | |
PoissonRatio | ISO527-2 | 0.35 | |
RockwellHardness | GB3398.2 | 120 | |
Flammability | UL94(1.5mm) | V-0 | |
Dielectricstrength | IEC60243-1 | - | KV/mm |
Dielectricconstant | IEC60250 | - | |
ThermalConductivity | ISO22007 | 0.86 | W/(m·K) |
SurfaceResistance | IEC90093 | 105 | Ω |
Junhua Competitiveness
Choosing JunHua means choosing a partner with a complete industrial chain, strong technology research and development capabilities, an efficient production system, strict quality assurance, and excellent customer support.
Industry Deep Dive
18 years of experience in high-performance engineering plastics, serving high-barrier industries such as aerospace and medical, trusted globally.
Complete Industry Chain
From aggregation to processing, a one-stop PEEK solution, simplifying purchases and reducing risks.
Technology Research and Development
12 items of invention patents, 27 items of utility model patents, with collaboration with universities, continuous innovation.
Production Capability
40+ high-efficiency extrusion lines, 500+ professional teams, quick response to global demands.
Quality Assurance
Strict quality control, product traceability from aggregation to processing, three-dimensional detection, COA quality report.
Customer Support
Material selection, mold design, custom processing, and complete after-sales support, becoming your strategic partner.
Service
JunHua HPP offers one-stop PEEK solutions from design to after-sales, ensuring quality, innovation, and customer satisfaction.
Design and processing
Junhua offers injection molding, machining, and extrusion solutions to optimize design and cost.
Material selection
Junhua specializes in PEEK with multiple grades and recommends the best engineering plastics for your needs.
Measurement
Junhua uses high-precision instruments to provide customers with accurate drawings.
Sampling
Junhua supplies samples for testing and refines designs until approval for mass production.
Mass Production
Junhua controls raw materials, processes, and inspections to ensure consistent product quality.
Quality Control
Junhua follows ISO9001 standards and provides full inspection reports as required.
Improve
Junhua continuously optimizes designs and processes through improvement systems and case experience.
After-sales Service
Junhua offers complete after-sales support to resolve technical issues and protect customer interests.
About Us
Junhua was founded in 2007 and specializes in the development, production, and sale of high-performance engineering plastics, particularly PEEK, PI, PPSU, and other special polymers. The company has a modern factory occupying 15,000+ square meters , with 40+ extrusion lines ,Complete injection molding and CNC processing equipment, with an annual production capacity of over.
We have obtained multiple international certifications such as AS9100D (Aerospace), ISO9001, IATF1649 (Automotive), ISO13485 (Medical Devices), FDA, RoHS, REACH, SGS , and our products are fully traceable . Our customers cover multiple high-threshold industries in over 60 countries and regions , including aerospace, medical, semiconductor, electronics, food, and new energy vehicles. We are committed to becoming a global leader in PEEK solutions.
12 Patents for Invention
27 Utility Model Patents
15,000+㎡ Factory
40+ Extrusion Lines + Cleanroom
60+ Countries
30000+ Global Customers | 3 Billion+ Sales
500+ Team Members
18+ Years of Experience | 40+ Global Employees
Multiple International Certifications
AS9100D / ISO13485 / IATF16949 etc.
1000+ Global Partners
Serve 60+ Countries