Chinese Factory Glass Washing Machine Sponge Water Absorption PVA Sponge Roller¹

Product Description Product Description PVA roller is special urethane resin as raw materials.Widely applicable to the high precision and high quality printed circuitboard, the lead frame plate production of high performance water roller.Usage:PCB,lead frame,photo mask, LCD prints,glass product's water absorption and dehydrationPrinting substrate, lead frame, optical mask, LCD, printing, water, dehydration;Hard disk, glass, medals and other cleaning materials;Synthetic resin film, metal plate, liquid crystal display screen, water absorption, transport;Wet sopping roller for circuit board;All kinds of liquid coating roller;Various processes of wiping materials;Various filters;Ink holding material;PVA SPONGE SHEETS' SPECIFICATIONMethod of makingMolecular HoleMolecular SubstitutionHole ShapeHoneycomb continuous shapePorosity(%)90-92Average Size of Holes(nm)60-130-300Apparent Density(g/cm3)0.068-0.08835% Pressures(g/cm2)24-34Tensile Strength(kg/cm2)3.1Temperature range0-65oCTensile Extension(%)220-230Melting Point180oCTearing Strength(kg/cm2)1-5Acid-base resistance propertyWeak acid-baseAnti-wear(Work Times)20000-50000Water Absorption10-150 times of its material weightRate of absorption(cm/sec)2-15HardnessSoft in wet  condition,hard in dry conditionDiameters(mm)CustomizedLength(mm)Customizedwater absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge roller water absorber sponge rollerOur Advantages 

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