pvc sg3
PVC SG3 is a high-viscosity grade of polyvinyl chloride with a high molecular weight, contributing to its strength and durability. It exhibits excellent chemical resistance to acids, bases, and salts. The material also offers good thermal stability and high plasticity, making it suitable for applications requiring flexibility and resilience. Its superior insulating properties make it an effective barrier against electrical and thermal conductivity.
- Molecular Formula : (C₂H₃Cl)ₙ
- CAS Number : 9002-86-2
- Grade : Tech Grade
- HS Code :3904109090
What Does PVC Resin -SG3 Grade Mean?
PVC SG3 is a specific grade of polyvinyl chloride distinguished by its high viscosity and molecular weight. PVC is commonly categorized into various grades based on its viscosity, which affects its flexibility, processing, and application suitability. The most common grades include SG3, SG5, and SG8:
PVC SG3: This grade has a high viscosity and molecular weight, making it particularly suitable for applications requiring flexibility and elasticity. It is commonly used in the production of films, hoses, leathers, and wire cables due to its excellent insulating properties and ability to withstand environmental stress.
Technical Parameters
| SPECIFICATION INDEX. | GRADE |
| K VALUE | 71—72 |
| VISCOSITY, ML/G | 127—135 |
| NUMBER OF IMPURITY PARTICLE≤ | 30 |
| VOLATILES CONTENT(INCLUDE WATER) % ≤ | 0.40 |
| APPEARING DENSITY G/ML≥ | 0.42 |
| RESIDUAL AFTER SIEVE(MESH 0.25 MM) %≤ | 2.0 |
| RESIDUAL AFTER SIEVE(MESH 0.063 MM) %≥ | 90 |
| NUMBER OF GRAIN /400CM2≤ | 40 |
Safety Is An Important Guarantee
Safety is our top priority.
To ensure your safety while using Caustic Soda Pearls, please be sure to download and carefully read the accompanying Material Safety Data Sheet (MSDS).
This document provides detailed safety guidelines, including how to handle potential hazards, accident response, and proper storage methods. It will help you understand and safely use Caustic Soda Pearls, ensuring personal safety and environmental protection.
Packing
PVC is typically packaged in 25kg bags, which come in two types of materials: standard and environmentally friendly.
When transporting PVC in containers, a small container can hold up to 17 tons, while a high cube container can accommodate up to 28 tons.
Support customize the packaging materials
FAQ
1.What are the differences between PVC Resin SG3, SG5, and SG8?
The main differences between PVC Resin SG3, SG5, and SG8 are in their molecular weight and viscosity, which affect their processing and application:
- SG3: This grade has the lowest molecular weight and is characterized by high plasticity and low viscosity. It is suitable for soft and flexible applications such as plastic films, artificial leather, and electrical insulation.
- SG5: This is a medium molecular weight grade with balanced properties, making it the most versatile. It is commonly used in a wide range of applications, including pipes, fittings, and rigid profiles. SG5 offers good processability and mechanical properties.
- SG8: This grade has the highest molecular weight, resulting in high rigidity and strength. It is ideal for applications requiring robust mechanical properties, such as pipes, fittings, and injection-molded products. SG8 provides excellent durability and chemical resistance.
2. What are the primary applications of PVC Resin - SG3?
PVC Resin – SG3 is a low molecular weight grade of PVC resin that is highly plastic and flexible. Its primary applications include:
- Plastic Films: Used in the production of flexible films for packaging, agriculture, and industrial applications.
- Artificial Leather: Ideal for manufacturing soft and flexible synthetic leather used in upholstery, footwear, and clothing.
- Electrical Insulation: Utilized in the insulation of electrical wires and cables due to its good dielectric properties.
- Soft Tubing: Suitable for making flexible hoses and tubing used in various industries.
3.What are the primary applications of PVC Resin - SG3?
PVC Resin – SG3 has several important properties that make it suitable for flexible applications:
- High Plasticity: Provides excellent flexibility and softness, making it ideal for products requiring pliability.
- Low Viscosity: Facilitates easy processing and mixing with other additives and plasticizers.
- Good Transparency: Offers clear and transparent finished products, which is beneficial for certain applications like packaging.
- Chemical Resistance: Exhibits good resistance to chemicals, ensuring durability in various environments.