Drinkable water pipeline special polyethylene powder coating

Drinkable water pipeline special polyethylene powder coating
Product description
    The basic materials of this series product are polyethylene resin. It is a kind of thermosetting powder coating adding slipping agent, anti-aging agent, stability agent, agglutinant, etc. with good chemical stability, insulation, low temperature resistant, corrosion resistant, etc. It has passed the National Quality Test and Wholesomeness Evaluation.
Cleaning standard
   Accorded with standard CJ/T 120-2000 .
Powder properties
Density
    0.91 -0.95(Different colors)
Even granularity
    220-280 microns
Nonvolatile matter content
    ≥ 99.5%
Melting index
    5-20g/10min
Liquidity
    Fluidizationfloat upward≥20%
Storage stability
    Far from fire, lower than 40℃, ventilation, dry, storage for 2 years.
Film performance
Appearance
   Eyeballing   Neat,smooth(Slight wrinkle)
Color
   GB 9761   Eyeballing no obvious difference(compared to standard panel)
Luster60°
   GB9754   ≥ 40
Bending
   CJ/T 120-2000    Coating no flaking or cleft
VICAT softening point
( ℃)
   GB 1633    85 ‐ 95
Electric intensity Kv/mm
   GB 1408   ≥ 19
Volume specific resistivity (Ω·m)
   GB 1410    < 1.7 × 10 15
Film thickness
   GB/T 1764   250~600 um
Low temperature resistant
    Q/HJ 008-2003   -35℃ ,60h no cleft
Shore hardness
   GB/T6739-86   45~55
Adhesive force
10mm width 180 o stripping
   ≥3 Kg/ 10mm ( passing)
Cathode stripping resistant 65 ℃ ， 48h
SY/T 0442
   ≤ 2 mm
Impact test
CJ/T 120-2000
    coating no flaking or cleft
Cleaning test
GB/T 17219
   Accorded with requirements
Weatherproof
False speedy
   GB/T 1865
1000h
 gloss losing,color change: 1 grade; pulverization, cleft: 0 grade
Natural insolation
   GB/T 9276
1 year
 gloss losing,color change: 1 grade; pulverization, cleft: 0 grade
Chemical agent resistant
   5%HCL    GB/T 1865   7 days Appearance coating no change
  5%NaOH    GB/T 1763   7 days Appearance coating no change
  5%NaCl    GB/T 176   7 days Appearance coating no change
Execution crafts
  1. Surface process: it should be processed according to bottom materials performance. And after processing, the surface of bottom material should be neutral.
  2. Parts warm-up temperature: 250 -350 ℃
  3. Coating in soaking method. After taking it out, put in 180-250 ℃ /0-5min, and then naturally cool to room temperature.
Others
Application area
    It is fit for the coating of water equipments and pipeline.
Packing and transportation
    20Kg in multi-ply paper bags
Safety
   It is a kind of nontoxic powder coating. It should avoid absorbing bug dust. The operating person should take proper dust mask and glasses. If possible, do not keep it in touch with skin.