Quality Assurance

Plasco Ltd. has invested in a state-of-the-art laboratory that is fully equipped with the latest technology in raw material and pipe testing equipment from Europe. This enables us to ensure that the highest quality of pipes are delivered to our customers.
Tests are conducted in accordance with international standards : ISO 4427, ISO 4437 and ISO 1452.
Control of the quality of raw materials to be used in the production of pipes is the first essential and necessary condition for compliance with the specified requirements of the finished product as per internation- al standards. The following tests are conducted on raw materials at Plasco before issuing them into the production process :

  • Melt flow index
  • Bulk density
  • Oxidation induction time
  • Moisture content

Pipe testing

  • Dimensions
  • Thermal reversion
  • Impact test
  • Long and short term Hydrostatic Pressure tests
  • Rapid Crack Propagation (RCP) test for Gas Pipes
  • Tensile Strength and Elongation test
  • Compression/Ring stiffness and Creep test


At Plasco, measures are in place to ensure that all manufactured products conform to the stipulated international standards. This is achieved through the use of a dedicated laboratory for testing raw materials and pipes in accordance with those standards. Plasco is an ISO 9001:2015 certified company and its products are also certified by the Tanzania Bureau of Standards (TBS). Plasco HDPE Gas Pipes are also certified by the international accredited laboratory of KIWA – Netherlands.

We strive to conduct ourselves with professionalism and are accountable for the products and services that we provide. In so doing, we ensure that our clients receive the best from Plasco at all times.