Sane Mashhad Company started its experiments in the field of various tests on polyethylene pipes in 1991. This laboratory has always tried to deliver accurate and reliable results with maintaining the vision of improving the quality of the tests and coordinating the method of conducting the tests with up to dated standards. Moreover, the company's laboratory in 2013 has been awarded the standard qualification laboratory (Accredited Lab) certificate from the Khorasan Razavi Standard Office (No.KHR / 2899) in the following fields:
1. Plastics, intubation systems with water applications, all tests.
2. Plastics, polyethylene pipes used in lateral irrigation, all tests.
Laboratory of Sane Mashhad Company has a ISO / IEC 17025 standard certificate in management.
Periodic calibration of all equipment for monitoring and measuring application in laboratory and quality control is performed by calibration laboratories approved by the National Center for Accreditation of Iran.
Raw materials tests in Sane Mashhad Company are as following:
Melt flow rate (MFR)
Oxidation induction time (OIT)
Volatile content
Environmental stress crack resistance (ESCR)
Carbon black content (self-contained and masterbatch materials)
Base polyethylene density
Distribution and dispersion of carbon black for black mix
Differential scanning calorimetry (DSC)
Controls and tests on polyethylene pipes done in Sane Mashhad Company:
Dimensional control of the product
Checking the appearance of pipe and marking
Supervision of product packaging
Longitudinal reversion test
Environmental stress crack resistance (ESCR)
Melt flow rate (MFR)
Oxidation induction time (OIT)
Water absorption
Hydrostatic pressure test
Carbon black content
Distribution and dispersion of carbon black
Tensile Test
Differential scanning calorimetry (DSC)
In the QC section, the company has quality control managers in three 8-hour shift and continuously monitor and control all products (pre-production, during production and after production) in accordance with relevant standards, as well as packaging and layout of the warehouse.