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Reducing leakage in hydraulic cylinders


Hydraulic cylinders located underground encountered a leak problem in the caps. One cap is about 6 inches in diameter. The equipment became inefficient due to the leak, resulting in excessive oil pressure.

Hydraulic Cylinder


The Chesterton 860 Mouldable Polymer Gasketing was applied to the surface which creates ultra-thin gaskets that conform to irregular surfaces.

More about the Chesterton 860 Mouldable Polymer Gasketing:

  • Economical; material costs less than compressed sheet gasketing
  • Excellent resistance to oils, water, chemicals, and solvents
  • Disassembles cleanly

Application of 860 Moldable Polymer Gasketing


Chesterton 860 Mouldable Polymer Gasketing is a solid flexible gasket material that fills in surface irregularities, blocks leaks, and never sticks to surfaces after hardening. The product is easily moulded into simple or complex shapes, eliminating the need to hold inventory of precut gaskets or gasket sheets. It remains elastic and resists vibration.

Chesterton 860 Moldable Polymer Gasketing

About us

Chesterton® is a world leader in helping process industry companies and manufacturers improve the reliability and efficiency of their rotating, stationary, and fluid power equipment platforms. We are known across a wide range of industries for our award-winning pump and valve sealing solutions, applications expertise, equipment maintenance and wear-prevention products, and knowledgeable hands-on local service. Chesterton product range includes mechanical seals, packing and gaskets, industrial lubricants and coatings.

® Registered trademark owned by A.W. Chesterton Company

APAC0052.  Issued 10/2022.

Technical data reflects results of laboratory tests and is intended to indicate general characteristics only. A.W. Chesterton Company disclaims all warranties expressed or implied, including warranties of merchantability and fitness for a particular purpose. Liability, if any, is limited to product replacement only. Any images contained herein are for general illustrative or aesthetic purposes only and are not intended to convey any instructional, safety, handling, or usage information or advice respecting any product or equipment. Please refer to relevant Safety Data Sheets, Product Data Sheets, and/or Product Labels for safe use, storage, handling, and disposal of products, or consult with your local Chesterton sales representative.

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