TECHNICAL DATA SHEET PROPERTY VALUE ASTM K-Value 57 Rela ve Viscosity 1.90 Inherent Viscosity 0.73 D-5225 ASTM Cell Classifica GP2-16050 D-1755 . Ramolene™ PVC K-57 resin well suited a broad range applica7ons. Typical applica7ons include pipe fi9ngs other injec7on molded products, calendered film sheet, extruded .
The common K values 57, 65, 67, 70, 72, 73, 74, 77. 2. does PVC resin K value affect product properties? . Yes, high K value PVC resins suitable rigid semi-rigid PVC products as pipes, fittings, profiles, bottles require superior mechanical strength, chemical resistance, dimensional stability
PVC Resin. PVC Resin. PVC Resins Properties . Grade (Test Method) H-58 H-61 H-66 H-73 H-80; K-value (ISO 1628-2) 57-59: 60-62: 65-67: 72-74: 79-81: Degree Polymerization: 700±50: 800±50: 1000±50: 1350±50: 1800±100: Bulk Density(g/cc) (ISO 60) 0.57±0.04: 0.57±0.04: 0.54±0.04: 0.51±0.04: 0.49±0.04: Particle Size
K- Value S-PVC a measure its average degree . is advisable blend K value resins. 4. Effect increase K-Value resin: . Lesser the transparency; Slightly higher the "Tg" (1.35ᵒ for K-57 & K-67 resin) 5. Effect increase K-Value processing : Slower the fusion, is melt .
57-01 a molecular weight suspension type PVC resin suitable rigid injection moulding rigid sheet extrusion applications. is . Properties Test MethodUnit Typical Value* K-value @1% cyclohexanone- 57 Inherent ViscosityASTM D1243- 0.68 Apparent Bulk DensityASTM D1895g/ml 0.48 0.54 Flowtime ASTM D1895secs 25 max
K Value PVC Resins classified their K-Value, indicator the molecular weight degree polymerization. • K70-75 high K value resins gives mechanical properties are difficult process. need plasticizer same softness. High performance
Suspension grade PVC available in K-57 K- 67 variants. is commercially two grades find maximum utilization PVC processors. K- 57 resin used calendaring U PVC sheets injection moulded fittings, K- 67 resin used rigid PVC pipes, profiles films. Higher K value, higher the .
With K-values (a measure the molecular weight) ranging 57 70, PVC resins be blended additives as plasticisers, thermal UV stabilisers, fillers, pigments, impact modifiers others. makes PVC of most versatile polymers, extensively across broad range industrial consumer applications.
PVC Speci¿cation TYPE Grade K value Polymerization Degree Bulk Density (g/c.c) Volatile Mat-ter (%) VAC % +42mesh particles % MASS PVC B-57 54.4~56.2 620Ó30 0.60Ó0.02 0.3 õ -0.01õ . resin adapted leather, Àexible products extrusion, injection molding calendering process. .
PROPERTY VALUE ASTM K - Value 57 * Inherent Viscosity 0.70 ± 0.02 1243 Relative Viscosity 1.87 1243 Bulk Density . MARPOL ® PVC BOTTLE GRADE K 57 a molecular weight, general purpose, vinyl suspen-sion resin. resin excellent clarity, color thermal stability. is suitable applications
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