The special black masterbatch for blowing film is made of high quality resin as carrier, high quality organic pigments carbon black and additives, through high-speed mixing and extrusion, air-cooled granulation. The product is uniform and beautiful in appearance, cylindrical or flat-circular in shape, uniform in colour, good dispersion, stability, heat resistance, less crystalline points on the surface of blowing film products, no cracking, etc. At the same time, the film blackness and brightness are excellent.
Performance:
High concentration, high brightness, uniform dispersion, strong dyeing power, etc.
Proportion of application:
According to customer demand for the product appearance, adjust the amount of additions. The company recommends adding 2% - 5% technology, 5% - 10% special products.
Physical properties:
Blow-film grade black masterbatch
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Index
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Numerical value
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Carrier
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LDPE / LLDPE / HDPE / PP / EVA
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Carbon black content
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15% 20% 25% 30% 35% 40% 45% 50%
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Type of carbon black
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N220/N326/N330/N550
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Light and weather resistance
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Grade 4-8
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Chromatic aberration
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≤0.8%
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Melting index 21.6KG/200℃
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1-40ɡ /10min
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Dissolution temperature
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140℃-250℃
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Phase fusibility
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PE/PP/PVC/ ABS/PS
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Applications:
Packaging film, composite film, three-layer co-extrusion film, five-layer co-extrusion film, agricultural film, geomembrane, express bags, garbage bags, etc.
Packing:
Paper-plastic composite bags, 25KG/bag net content, please store in the sun-shaded dry place.