Enteric coating film PVDC resin CAS 9002-85-1
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Product Description
Product Details
Introduction
It is a vinylidene chloride-vinyl chloride suspension copolymerization of PVDC resin, with high barrier, strong toughness, high heat shrinkage and good chemical stability.
Technical Parameter
ITEM | Index |
Appearance | White powder |
Relative viscosity (1% THFsolution, 25°C) | 1.50-1.58 |
Apparent density (g/ml) | 0.74-0.86 |
Volatiles water included (wt%) | ≤0.1 |
Residual vinyl chloride (ug/g) | ≤1 |
Residual vinylidene chloride (ug/g) | ≤5 |
Impurities (pcs) | ≤10 |
Water vapor transmission rate g/(m2.24h) | ≤5 |
Oxygen permeability cm³/m2.24h 0.1Mpa) | ≤25 |
Heavy metal (Pb) (mg/kg 4% acetic acid, 95 °C, 30min) | ≤1 |
Film properties
Heat shrinkage rate MD/TD (%) | 20-30/20-30 |
Tensile strength MD/TD (Mpa) | ≥60/80 |
Elongation at break MD/TD (%) | ≥50/40 |
Application
Mainly used for single-layer melt extrusion double bubble processing method processing, mixing pigment processing made of red, yellow, green, purple, golden yellow and other colors of the enteric coating film, the film products are mainly used for ham and cheese products packaging.
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