PVC Resin SG5 (K66-68)

K-Value: 66-68 （Average Degree of Polymerization：981-1135）

Packaging: 25kg/bag

Export over 35,000.0mt/year

PVC Resin SG5 is a versatile, general-purpose polyvinyl chloride resin ideal for manufacturing pipes, profiles, sheets, cable insulation, and various rigid and flexible PVC products. With excellent processability, high purity, and superior plasticizer absorption, our SG5 resin delivers consistent performance across extrusion, injection molding, and calendaring applications.

Available in premium, first, and qualified grades with competitive pricing and fast delivery. Food-grade and industrial-grade options available to meet diverse manufacturing requirements.

Description

PVC Resin SG5 is a versatile polyvinyl chloride resin widely used in the plastics industry for manufacturing a broad range of products. This general-purpose grade resin features a viscosity number of 118-107 mL/g and excellent processing characteristics, making it ideal for both rigid and flexible PVC applications. SG5 offers an optimal balance between processability and mechanical strength, delivering consistent performance across various manufacturing processes, including extrusion, injection molding, and calendaring.

Our PVC Resin SG5 is competitively priced without compromising on quality, providing excellent value for manufacturers seeking reliable performance at economical costs. We maintain rigorous quality control standards, offering premium grade, first grade, and qualified grade options to meet different application requirements and budgets. With efficient production capacity and streamlined logistics, we ensure fast turnaround times and on-schedule deliveries to support your production needs. Our SG5 resin features low volatile content, high purity, minimal impurities, and excellent plasticizer absorption, guaranteeing superior processing stability and end-product quality.

PVC Resin SG5 is extensively used in manufacturing pipes and fittings, profiles and window frames, rigid sheets and panels, electrical cable insulation, packaging films, credit cards and ID cards, household products, construction materials, and medical devices. Its excellent plasticity and processing versatility make it suitable for both hard and soft PVC products. The resin's superior whiteness and low "fish eye" formation ensure high-quality finished products with excellent appearance and performance characteristics across industrial, commercial, and consumer applications.

As an experienced PVC resin manufacturer and exporter, we have been serving the global plastics industry for many years with consistent quality and reliable service. Our modern production facilities utilize advanced polymerization technology and comprehensive quality testing systems to ensure every batch meets international standards. We offer industrial-grade and food-grade PVC Resin SG5 with strictly controlled residual vinyl chloride monomer content, meeting both standard and food-contact safety requirements. Partner with us for dependable supply, technical support, and competitive pricing that helps your business succeed.

PVC Resin Grade Comparison (Premium Grade)

Specification	SG3	SG5	SG7	SG8
Viscosity Number (mL/g)	135-127	118-107	95-87	86-73
K Value	72-71	68-66	62-60	59-55
Average Polymerization Degree	1370-1251	1135-981	845-741	740-650
Impurity Particles (pcs) ≤	16	16	20	20
Volatile Content (incl. water) (%) ≤	0.30	0.40	0.40	0.40
Apparent Density (g/mL) ≥	0.45	0.48	0.50	0.50
Sieve Residue 250μm (%) ≤	2.0	2.0	2.0	2.0
Sieve Residue 63μm (%) ≤	8.0	8.0	8.0	8.0
Sieve Pass Through 63μm (%) ≥	95	95	95	95
Fish Eyes (pcs/400cm²) ≤	20	20	30	30
Plasticizer Absorption (g/100g resin) ≥	26	19	12	12
Whiteness (160℃, 10min) (%) ≥	78	78	75	75
Water Extract Conductivity [µS/(cm·g)] ≤	5	5	-	-
Residual VCM - Industrial (µg/g) ≤	5	5	5	5
Residual VCM - Food Grade (µg/g) ≤	5	5	5	5
1,1-Dichloroethane - Food Grade (mg/kg) ≤	150	150	150	150

Specifications

PVC Resin Name	PVC Resin SG5 (K66-68)
K Value	66-68
Packaging	25kg/bag

Factory and Activities

Why Choose Bastone PVC Resin-SG5?

Processing Performance

Our PVC Resin SG5 offers exceptional melt flow characteristics and thermal stability during processing. The resin maintains consistent viscosity throughout extrusion and molding cycles, reducing equipment downtime and material waste.

With optimal fusion temperatures and minimal degradation risk, manufacturers can achieve higher production speeds and lower energy consumption. The resin's uniform particle size distribution ensures smooth feeding and prevents blockages in processing equipment.

Split-screen comparison showing two identical clear liquid samples in laboratory beakers, with Stone TXIB and Eastman TXIB labels

Modern quality control laboratory with technician analyzing TXIB samples using advanced testing equipment

Quality Consistency You Can Trust

Every batch of our SG5 resin undergoes comprehensive testing for particle count, moisture content, bulk density, and residual monomers. We provide detailed certificates of analysis with each shipment, documenting all critical specifications.

Our stringent screening process ensures minimal oversized particles and foreign matter, preventing defects in your final products. Consistent whiteness levels across batches mean predictable coloring results and reduced colorant usage.

Cost Efficiency for Your Bottom Line

SG5's high plasticizer absorption capacity (17-19g per 100g resin) means you can achieve desired flexibility with less plasticizer, directly reducing formulation costs. The low volatile content minimizes material loss during processing and reduces the need for reprocessing scrap material.

Superior electrical conductivity values ensure efficient compound mixing, cutting blending time and energy costs. Choose the grade that matches your needs—premium for demanding applications or qualified grade for cost-sensitive projects.

Safe for Food Contact Applications

Our food-grade SG5 resin meets international safety standards with residual vinyl chloride monomer content below 5 µg/g and 1,1-dichloroethane levels under 150 mg/kg. This makes it suitable for food packaging films, drinking water pipes, medical tubing, and pharmaceutical packaging.

Complete traceability documentation and regulatory compliance certificates are available to support your product certifications and customer audits.