PVC Resin SG7 (K60-62)

K-Value: 60-62 （Average Degree of Polymerization：741-845）

Packaging: 25kg/bag

Bastone PVC Resin SG7 (K-value 60-62) is a premium suspension-grade polyvinyl chloride offering excellent processing performance and balanced mechanical properties. Sourced from leading Chinese manufacturers XINFA, TIANYE, and DAGU, our SG7 provides superior melt flow for extrusion and calendaring applications.

Available in food-grade and industrial-grade specifications with guaranteed low impurity content and consistent quality. Ideal for manufacturing rigid pipes, profiles, sheets, and construction materials requiring reliable dimensional stability. Fast delivery from our seaport warehouses with full technical support.

Description

PVC Resin SG7 is a versatile suspension-grade polyvinyl chloride resin with a viscosity number ranging from 95 to 87 mL/g and a K value of 62-60. This medium molecular weight PVC resin offers excellent processing characteristics and balanced mechanical properties, making it suitable for a wide range of industrial applications. SG7 delivers reliable performance with good flow properties, impact resistance, and surface finish quality. Available in both food-grade and industrial-grade specifications, our SG7 resin meets strict quality standards for purity, whiteness, and residual monomer content.

As an authorized distributor of leading Chinese PVC resin manufacturers, Bastone provides competitively priced, high-quality PVC Resin SG7 with exceptional service. We have established long-term, stable relationships with major petrochemical producers, offering both ethylene-based and carbide-based PVC options to meet your specific requirements. Our strategically located warehouses in main seaport cities and our own professional logistics company ensure fast turnaround times and quick shipments to keep your production running smoothly. Our expert teams work closely with you to select the most suitable grade for your application, providing technical support throughout the entire purchasing process.

PVC Resin SG7 is widely used in the manufacture of various rigid and semi-rigid PVC products, including pipes, fittings, profiles, sheets, packaging materials, injection molded parts, and construction materials. Its balanced viscosity makes it particularly suitable for calendering, extrusion, and injection molding processes. The resin's excellent processability and mechanical strength make it an ideal choice for applications requiring good dimensional stability, chemical resistance, and durability in both industrial and commercial environments.

With years of experience serving the PVC industry, Bastone is your go-to source for all PVC needs. We manage premium brands including ethylene-based PVC from SINOPEC Qilu, Tianchen Dagu, and Julong, as well as carbide-based PVC from Xinfa, Tianye, and Beiyuan. Our extensive distribution network, technical expertise, and commitment to quality assurance ensure you receive consistent, reliable products that meet your exact specifications. Trust Bastone to stand by your side in all processes of quality selection and supply chain management.

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 SG7
K Value	K60-62
Supply Brands	DAGU, XINFA, TIANYE
Packaging	25kg/bag

Factory and Activities

Why Choose Our PVC Resin-SG7?

Superior Quality Control

Our PVC Resin SG7 from XINFA, TIANYE, and DAGU meets strict international quality specifications with consistent particle size distribution and ultra-low impurity levels.

Each batch from these trusted manufacturers undergoes rigorous testing for viscosity number, plasticizer absorption rate, and residual vinyl chloride monomer content to ensure your production runs smoothly without defects. Available in both food-grade (≤5 µg/g VCM) and industrial-grade options, XINFA, TIANYE, and DAGU SG7 resin guarantees the purity and safety your end products require.

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

Trusted Brand Selection

Our strategic warehouse locations stock XINFA, TIANYE, and DAGU PVC Resin SG7 in major Chinese seaports—including Shanghai, Ningbo, Qingdao, and Tianjin—enabling rapid order fulfillment typically within 3-7 days.

Whether you prefer XINFA's consistent quality, TIANYE's premium grades, or DAGU's cost-effective options, combined with our dedicated logistics company, we handle customs documentation, container loading, and shipping coordination for all brands, so you receive your materials on schedule without hassle. Real-time inventory tracking keeps you informed throughout the supply chain.

Technical Support & Customization

Our experienced technical team provides free formulation consultation to optimize your recipes with XINFA, TIANYE, or DAGU SG7 based on specific end-use requirements. Need adjustments in processing temperature, additive compatibility, or final product properties?

We analyze your production challenges and recommend the right brand and grade—whether XINFA for superior whiteness, TIANYE for food-grade applications, or DAGU for general-purpose use—along with processing modifications. We also offer custom packaging options for all three brands—from 25kg bags to 1000kg bulk bags—tailored to your handling equipment and storage capabilities.

Cost-Effective Sourcing Solution

Direct partnerships with XINFA, TIANYE, and DAGU manufacturers eliminate middleman markups, passing substantial savings to your bottom line. Our volume purchasing power across all three brands and efficient logistics reduce per-ton costs by 8-15% compared to traditional distributors.

.Whether you choose single-brand orders or mix XINFA, TIANYE, and DAGU grades in one shipment, our flexible payment terms and consolidated shipping options further improve your working capital and procurement efficiency.