
HNBR 73 Shore Black
Product Details
Product Introduction
HNBR 73 Shore black is characterized through its excellent machninability at low hardness.Because of its low DVR and durability it is best suitable for wipers and groove rings in low pressure applications as e.g.in pneumatic cylinders.
Product Parameter
Temperature range ℃: | -15~150 short-term 170 |
Pressure resistance bar(RT): | Dynamic 150 bar, static 250 bar |
Main applications: | Static seals,Grooved rings and wipers for pneumatics oil seals |
Resistant to:
| Test parameters for RGD -Gas 90/10 mole % CH4/Co2 -Temperature 100℃ -Pressure 150 bar -10 cycles -Decompression rate 20 bar/minute |
Product Details
As a leading designer and manufacturer of seals and elastomeric products, KAFLON SEAL has the experience, products and capabilities to deliver the exact sealing solution for your applications. From design through manufacturing to certification, KAFLON is the industry leader in seal design.

Our Company
Kaflon is equipped with European imported seal cutting equipment and multiple sets of spring tension testers, Seals low temperature test equipment, and Laser welding machine.In detailed: There are 3 imported CNC turning centers / 5 CNC lathes / 2 laser welding machines, milling machines / suction machines / push table saws / band saws, 2 high-precision optical size detectors, and 3 sets of experimental platforms under -200 degree to 400 degree.
Kaflon is technology-oriented and focuses on research and development.It has authorized 19 utility model patents and has granted 3 invention patents.Kaflon is committed to the research and development and production of ultra-low temperature, high pressure, corrosion resistance and other harsh environmental seal products, breaking the monopoly position of foreign suppliers in many fields.
Our Advantages
Advantage:
* We produce O-rings with oversized specifications.
* Our products are all subjected to a secondary vulcanization process to ensure stable physical properties.
* We have complete technical information for our customers.
We have a warm afternoon tea time every day.
* We prepare a happy birthday party for our employees.
* We offer personalized customization services
* We strictly abide by the principle of customer first, and provide excellent service to our customers is our mission.
* We share development costs with our customers、
* We actively carry out various industry certifications to meet the standards of different industries.
* We focus on talent development, and we are improving every day.
FAQ
Q1: What is HNBR 73 Shore black?
A: HNBR material with hardness 73 shore A, and color is black.
Q2: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q3: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.
Q4: Can you supply different color materials?
A: Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.
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