Junzheng Group is one of China’s leading chemical enterprises, specializing in the research, production, and sales of polyvinyl chloride (PVC) resins. Its products cover a wide range of Junzheng PVC grades and are extensively used in construction, electrical, automotive, and consumer goods industries.

Main Types of Junzheng PVC Resin

  • Suspension PVC Resins: Grades such as SG3, SG5, SG6, SG7, SG8, suitable for both rigid and flexible applications.
  • Emulsion PVC Paste Resins: Grades like P440, P450, P460, commonly used in artificial leather, flooring, and coatings.
  • Powdered PVC Resins: Grades like SG5, SG6, SG7, SG8, used in profiles, pipes, and injection molding.

Item

PVC SG3

PVC SG5

PVC SG7

PVC SG8

Viscosity No. ml/g

135-127

118-107

95-87

86-73

K value

72-71

68-66

62-60

59-55

Polymerizing Index

1370-1251

1135-981

845-741

740-650

Number of impurity particles

16max

16max

20max

20max

Volatile Matter, %

0.3max

0.4max

0.4max

0.4max

Apparent Density, g/ml

0.45min

0.48min

0.50min

0.50min

Number of Fish Eye (/400 cm2)

20max

20max

30max

30max

Plasticizer absorption of 100g resin, g

26min

19min

12min

12min

VCM Residue, ppm

5max

5max

5max

5max

Whiteness(160°C,10min), %

78min

75min

75min

75min

Particle size

≥0.25mm

2.0max

2.0max

2.0max

2.0max

≥0.063mm

95min

95min

95min

95min

Performance Characteristics

  • Mechanical Strength: Excellent tensile and tear resistance.
  • Processability: Good flowability and plasticization, suitable for various processing methods.
  • Transparency: High clarity, ideal for transparent products.
  • Chemical Stability: Resistant to acids, bases, and oils; suitable for chemical transport hoses.
  • Electrical Insulation: High volume resistivity, making it suitable for wire and cable applications.

Main Applications

  • Construction industry: Pipes, profiles, and window frames.
  • Electrical industry: Wire and cable insulation.
  • Automotive: Interior components and seals.
  • Consumer Goods: Flooring, artificial leather, and footwear.
  • Chemical Industry: Hoses and conveyor belts.

Packaging and Storage

  • Packaging Specifications: 25 kg per bag (inner PE liner with outer woven bag).
  • Storage Conditions: Store in a dry, well-ventilated warehouse; protect from sunlight and moisture.
  • Transportation Requirements: Classified as non-hazardous material; handle to prevent bag breakage and moisture absorption.

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