With the continuous efforts, Hoa Sen plastic pipe was certificated by the Institute of Materials Science Applications (Institute of Science and Technology of Vietnam) that is the first plastic pipe production enterprises in Vietnam using system of equipment, automation technology and close manufacturing process. In addition, with distinguished advantages in technology, Hoa Sen plastic which is received the certificate from Directorate for Standards, Metrology and Quality (STAMEQ) and Vietnam Certification center (QUACERT), meets the international standards in the same industry such as: ISO 4422-1996, TCVN 6151-2:2002, BS 3505: 1986, AS/NZS 1477: 2006 and meets the standard of TCVN 8699:2011 of centre II of posts telecommunications head Department.

uPVC PIPES METRIC SERIES –STANDARD:

I. BS 3505:1986 – BS EN 1452-2:2009 - ISO 4422:1996 / TCVN 6151 : 2002 (METRIC) - Download

II. SPECIFICATION OF PIPE FOLLOWING TO VIETNAM STANDARD 8699:2011 ; TCN 68-144:19

- APPLICATION IN UNDERGROUND CABLE LINE- Download

III. uPVC pipes CIOD series - Standard AS/NZS 1477:2006 (download)

IV. uPVC Pipes – Standard TIS 17-2532 (1989)

Advantages of uPVC pipes

- Chemical resistance. - Under high impact strength and hydrostatic pressure. - Its specific gravity is one fifth of the steel pipes with the same size. - Simple and quick installation. - Non toxic. - Small friction coefficient. - Good insulation. - Low cost. - Smooth surface both inside and outside. - Easy transport.