We want to buy the big quantity of PVC Resin Grade : 66 1.        SPECIFICATIONS NO        ITEM        UNITS        TEST METHODS        SPECIFICATION                                 PM57        PM66R        PM66G        PM66F        PM70 1        K -  Value        -        ISO 1628 - 2        57 ?1        66 ?1        66 ?1        66 ?1        70 ?1 2        Apparent Density        g/cm2        ISO 60        0.550 ?0.025        0.560 ?0.025        0.540 ?0.025        0.500 ?0.025        0.490 ?0.025 3        Moisture        % w/w        ISO 1269        ? 0.3        ? 0.3        ? 0.3        ? 0.3        ? 0.3 4        Particle size > 250 microns        % w/w        ISO 4610        ? 1        ? 1        ? 1        ? 1        ? 1 5        Particle size < 63 microns        % w/w        ISO 4610        ? 8        ? 8        ? 8        ? 8        ? 8 2.        CHARACTERISTICS & APPLICATIONS PM57        Suspension type nomopolymer PVC and is a low molecular weigh resins designed for calendaring extrusion and injection moulding for rigid applications. Its application is mainly for blow moulding pipe fittings, bottles and profiles. PM66R        Suspension type homopolymer PVC and is a medium molecular weigh resins designed for general purpose rigid applications. It can be used for panels, pipe and fittings. PM66G        Suspension type homopolymer PVC and is a medium molecular weigh resins designed for general purpose rigid applications. It can be used for various products made by many kind of processing methods. PM66F        Suspension type homopolymer PVC and is a medium molecular weigh resins designed for general purpose rigid applications. It can be used for hoses, leather, sheets and wire cabbies. PM70&