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Development, production and sales as one of professional masterbatch

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        -  吹膜级
        -  注塑级
 · White Masterbatch
 · Color Masterbatch
 
 
 
  Hotline:
Tel:0769-81915866
Fax:0769-81915856
Moblie:13790473872 Mr Zhou
E-mail:sales@huayumb.com
Website:www.bizlesohbet.com
Add:Changping Town,Dongguan City,Guangdong Province,China
 
              Quality Assurance
 

Third, the ruling specifications of masterbatches:
Appearance: the masterbatch should be even pallets with glossy surface and identical color. It must not have more than two pellets adhering together, and the percentage points for two pellets adhering together should not surpass 0.2%.
Moisture: ≤0.15%
Tint Strength: it should be between -5% to +5% compared with the standard sample.
Color Shade: basically the same compared with the standard sample.
Chromatism: Δ E ≤ 3, compared with the standard sample.
Migration Resistance: ≥ Grade 4, per the Grades of Gray-card.
Heat Resistance: ≥ Grade 4, per the Grades of Gray-card.
Dispersibility of laminating: ≥ Grade 4
Dispersibility of blow film: should be determined by the appearance requirements of GB4456-84.
The content of heavy metal: Lead < 100ppm, Arsenic < 50ppm, Mercury < 50ppm, Cadmium < 100ppm, Selenium < 100ppm, Barium < 100ppm, Free Aromatic Amine < 500ppm.

Fourth, the essential inspection instruments:
Electronic Balance on the scale of one to ten thousand
Electronic Microscope
Spectrophotometer: to examine the chromatism
Measurement Instrument for Melt Flow Rate: to examine the MFR of masterbatches
Dropping Point Measurement Instrument: to examine the dropping point of solid hydrocarbon
Resistance Furnace: to examine the ash content of masterbatches
Electric-heated Blowing Cabinet Dryer: to examine the moisture
Double-roller Plasticator: to examine the dispersibility of laminating
Platen Press: to examine the dispersibility of laminating
Injection Molding Machine: to examine the dispersibility of laminating
Blowing Film Machine: to examine the dispersibility of blow film

 
 
 
         
 
 

Copyright: DONGGUAN HUAYU PLASTIC Factory  后台管理
Tel:(+86)769-81915876 Fax:0769-81915856 Moblie:13790473872 Mr Zhou

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