Test Items | Standard value | Test standard |
Density | 1350~1460kg/m³ | GB/T 1033 |
Vicat softeningn temperature(pipes) | ≥80℃ | GB/T 8802 |
Vicat softeningn temperature(pipes) | ≥74℃ | GB/T 8802 |
Vertical heat shrinkage | ≤5% | GB/T 6671.1 |
0℃ Tir izod impact test | TIR≤5% | GB/T14152 |
Water pressure test | broken | GB/T 6111 |
Airtightness test on conncetions | broken | GB/T 6111 |
Opacity test | Light tightness | GB/T 10002.1 |
Sanitation performance | Meets GB/T17219 | GB/T 17219 |
VCM content | ≤1mg/kg | GB/T 4615 |
CH₂CI₂ immersion test | Surface dosen’t crack under a force of 4N | GB/T 13526 |
Internal pressure test(fittings) | Not-broken | GB/T 6111 |
Drop test | Not-broken | GB/T 8801 |
Oven test | The depth of cracks shall not be more than 50% of the wall thickness | GB/T 8803 |
Working temperature range:Piplelines for water supply -20℃~55℃;
Piplelines for chemical application-20℃~65℃;
Ssnitary properties:pipelies for water supply complies with GB/T17219;
Self-extingulshing ability;
Good property of chemical cprrosion-resistant(see the table bellow for detills);
Explosion pressure is 4 to 5 times working pressure;
Low friction for delivering fluids, low possibility for fluids to strck and prevention pacterial from
Growing because of the smooth pipe wall;
Good chemioal stability which geratees a service life of over 50 years;
Low thermal conduction (neariy 200th of steel) and exoellent thermal insulation performace
High general performance low price,smooth surface on inside and outside ,anti-rust properlty,
Resistance to scale deposit,anti-erosion property, easy installation on heat conduction, no
Elecricity conduction, fire retardancy,high mechanieal strength, and wioe range of application.
Standards referred to for design: ISO4422、ISO4435、ISO727、ASTMD5127、ASTMD1785、ASTMD2467、GB/T 11446.1、GB/T 11446.3、 GB/T 11446.5、GB/T 11446.7 and GB/T 11446.9 and other standards;
Water supply UPVC pipelines products meet:GB/T 10002.1-2006、GB/T 10002.2-2003;
Their sanitary properties meet:GB/T 17219;
Chemical application UPVC pipelines products meet: GB/T 4219-2008、QB/T 3802-1999;
Electronic-grade water clean UPVC pipelines products meet: Q/TNCC 01-2008、Q/TNCC02-2008.
Test Items | Standard value | Test standard |
Density | ≤1.55 | GB/T 1033 |
Erosion degree g/m （Hydrochloric acid,nitric acid sulfuric acid, caustic soda） | ≤1.50 | GB/T 4218 |
Vicat softeningn temperature(pipes) | ≥80 | GB/T 8802 |
Vicat softeningn temperature(fittings) | ≥70 | GB/T 8802 |
Hydraulic pressure test | Not-broken | GB/T 6111 |
Vertical heat shrinkage | ≥5 | GB/T 6671.1 |
Immersion in acetone | Not-broken | GB/T 9646 |
Flattening test | Not-broken | GB/T 4219 |
MPa | ≥45 | GB/T 8804.1 |
Drop test | Not-broken | GB/T 8801 |
Oven test | The depth of cracks shall not be more than 50% of the wall thickness | GB/T 8803 |
Internal hydraulic test | Not-broken | GB/T 6111 |
Erosion degress,g/cm² | ±2.0 | GB/T 3801 |
Temperature℃ | 23 | 27 | 32 | 38 | 43 | 49 | 54 | 60 | 66 |
Mpa Working pressure | 1.0 | 0.9 | 0.75 | 0.6 | 0.45 | 0.35 | 0.25 | 0.15 | 0 |
Water supply
Electrical
Construction
Ground water
Brine
Natural gas
Chemical plant
Paper mill
Electro-planting plant
Brewing and ferment plant
Mining
Supply
Agricultural
Free way
Water water transmissionGrouting for coil mines
Grouting for coil mines
Conduit for electricity and communication
Swimming pool
Transmission for acid and alkali media
Smooth inside wall and low friction;
Featuring all other advatages of UPVC pipes;
Low ion,low particle and low organic release;
Designed pressure is 1.6MPa and lifetime of 50 years;
As proved by tests,the pipes well meet the EW-I grade water stadarsds;
No pollution because of multilayer airproof packing.
Electronic industry including microelecrionics, semiconductor, integrated circuit, kinescope,LCD,etc;
Pharmacy including medicament,biochemical prodcts,sterilized water,water for artificial kidney dialysis,etc;
Transmission for chemical media in caustic soda and chlor-alkali of fine chemical industry;
Transmission for ultrapure water used in ion plating and chemical plating;
Pipelines in noble metal and rare metal in metallurgic industry;
Transmission of other ultrapure materials and chemical agents;
Transmission of ultrapure water in nuclar industry.
Indexes Grade | EW-I |
Electrical resistivity＞18Ω.cm(25℃) | 18The above(95%Time)Noless than 17 |
μ g/L Full silicon,maximum value | 2 |
＞1μm Number of particles, maximum value,grain/mL | 0.1 |
μ g/L Copper，maximum value | 0.2 |
μ g/L zinc，maximum value | 0.2 |
μ g/L Nickesl，maximum value | 0.1 |
μ g/L Sodium，maximum value | 0.5 |
μ g/L Kalium，maximum value | 0.5 |
Chlorine，maximum value | 1 |
μ g/L Nitrate radical，maximum value | 1 |
μ g/L Phosphate radical，maximum value | 1 |
μ g/L Sulfate radical，maximum value | 1 |
μ g/L Total organic carbon，maximum value | 20 |
Indexes | Technical indexes | |
Pipes | Fittings | |
Density,g/cm ³ | 1.36~1.45 | 1.36~1.45 |
℃ Vicat softening temperature(Tube) | ≥76 | ≥70 |
% Vertical heat shrinkage | ≤5 | / |
Water absorption | / | ≤40 |
Oven test | / | No foam,breakage or crack |
Drop test | / | All samples have no breakage or crack |
CH₂CI₂ immersion test | No changes on the surface | / |
% TIR izod impact test | ≤5 | / |
Hydraulic pressure test | Not-broken | Not |
Airtightness test on connections | Not-broken | Not |
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