Quality

All outputting products and raw material are checked in our testing laboratory. 

Laboratory tests:

№  Properties Testing method Equipment
Polyethylene 
1 Melt flow rate at 190о С, g/10min. GOST 11645 Appliance for melt flow rate identification-ХRL-400
2 Mass fraction of volatile, mg/kg, not less than GOST  26359 Drying cabinet – SNOL 58/350. Electronic scales – DLD200g
Acceptance testing of pipes
1 Yield strength, MPa, not less than GOST  11262 Tensile machine WDT -W
2 Relative elongation, %, not less than GOST  11262 Tensile machine WDT -W
3 Pipe length change after heating, % not more than GOST  27078 Drying cabinet – SNOL 58/350
4 Welding connection quality, % GOST  12423 Tensile machine WDT -W
Periodic testing of pipes
1 Sustainability at constant internal pressure at 20о С, МPa GOST  24157 Plastic pipe hydraulic pressure testing machine XGNB-16W-3
2 Sustainability at constant internal pressure at 80о С, МPa GOST  24157 Plastic pipe hydraulic pressure testing machine XGNB-16W-3
3 Sustainability at constant internal pressure of the pipes connected by means of electrofusion welding, МPa GOST  24157 Plastic pipe hydraulic pressure testing machine XGNB-16W-3

Permits: