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The Leader in
Product Protection

Rubber CapsStockCap is the foundation of the Sinclair & Rush family of companies . Starting with a small line of protective caps and plugs, the company has grown to become the largest manufacturer of flexible closures in the world. In addition to the large selection of stock products, we offer experienced engineers who are available to develop customised solutions for your product protection needs.

What makes StockCap a leader in product protection?

Unmatched Selection

  • More styles and sizes
  • More standard colours and materials
  • Ability to mould flexible rubber products
  • In-house finishing department offering a variety of options

Low Cost

  • As a plastisol compounder, material is bought in full truck and tanker quantities allowing for lower prices
  • Plants are designed and optimised for cost-effective product protection manufacturing

StockCap can serve your global needs through our manufacturing and distribution facilities in the U.S., Mexico, China, England, Germany, and Australia.



Quality Certification Statement      Environmental Policy
Sinclair & Rush Ltd. T: +44-1634-686504  F: +44-1622 693201
Registered address; Units 11-13 Spectrum West, 20/20 Maidstone Business Estate, Maidstone, Kent ME16 0LL.
Registration No: 679110 England.

Copyright ©2006-2011 StockCap