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Suspension PVC SG-3


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PVC Resin
Sodium Hydroxide
PVC Additives
Suspension PVC SG-3
  • Appearance White powder
  • Average Degree Of Polymerization 1300 - 1400
  • K - Value 72 - 75
  • Particle Size Distribution Relatively uniform
  • Bulk Density 0.40 - 0.48 g/cm³
  • Volatile Matter Content ≤0.40%
  • Plasticizer Absorption ≥27 g/100g resin
  • Gel Time Variable depending on formulation
  • Heat Stability Good with proper stabilizers
  • Mechanical Strength High tensile strength when processed
FAQ
What is the main application of Suspension PVC SG-3?
The three primary applications of suspension PVC SG - 3 are; One area in particular is the fabrication of soft - PVC products. It has good mechanical properties due to its relatively high degree of polymerization. Commonly Considered While Regarding Plastic Films Manufacturing These can be used for wrapping various products in the packaging industry. Because SG - 3 films are soft yet durable, they are ideal for packaging food (with appropriate food - grade treatment), textiles and small consumer goods. It is also commonly used to make PVC hoses. Its shape retention under pressure, together with its abrasion resistance characterize the product to be used within applications including (but not limited to) water supply, agricultural irrigation and some industrial fluid transfer applications for hose. Different types of hoses are required but all need to be flexible enough to be easy to install and suit various scenarios and yet be strong enough to resist the flow and pressure of the transported substances.

SG - 3 is also used as an additive in the manufacture of some PVC - based coatings. These coatings have a variety of applications depending upon their chemical nature, and are often used to improve the cosmetic quality of a substrate (such as metal or wood), as well as to provide resistance from wear, corrosion, and other environmental factors. For example, wooden furniture can be coated with SG - 3 based PVC to get a smooth, shiny, and durable surface.
What are the key properties of Suspension PVC SG-3?
Among the important attributes of the Suspension PVC SG - 3 are:

First, it is quite polymerized. SG - 3 is a DEGREE OF POLYMERIZATION of approximately 1300 - 1500. Its high polymerization degree gives it good mechanical properties. It has comparatively high tensile strength and impact resistance, which makes it usable in applications in which a certain degree of mechanical strength is required, such as in the production of certain pipes and profiles.

Secondly, the suspension PVC SG - 3 particles shown a relatively well defined size distribution and morphology. This is a nice property for processing. It can maintain good fluidity and plasticification in the process, and shape products with a uniform quality.

Third SG - 3 has excellent chemical stability. It also resists corrosion by many common chemicals, which increases service life in different environments. TheHeat resistance makes it preferable in sectors where it is likely that the contact happens with chemicals, which includes but not in limited to, manufacturing of chemical boxes or lining components.

Last but not least, it has a great electrical insulation property. Due to its ability to serve effectively as a barrier to electric current, it is a suitable choice for certain electrical insulation goods, such as cable sheaths.
How is Suspension PVC SG-3 different from other types of PVC?
This part is suspending PVC SG - 3 other kinds of PVC.

First of all, SG - 3 has a relatively high degree in polymerization. This confers certain advantages in mechanical properties to it. In this manner, it has higher tensile strength and impact resistance than lower polymerized degrees of PVC. Due to its tensile strength, it is suitable for applications where higher strength is required, for example the manufacture of certain high - strength pipes and profiles.

Second, SG - 3 with a higher molecular weight because of higher polymerization degree and this may require more special processing conditions. It may require greater processing temperatures and greater shear forces in extrusion or injection molding to be able to provide good flowability and formability.

Finally, SG - 3 is often used in more demanding applications while general purpose PVC can be used in a plethora of common products. As discussed in the production of high-pressure pipes that are necessary to resist huge internal stresses, and some industrial-grade plastic products in principle, strength and durability is an important criterion. SG - 3 offers the following properties that set it apart from types of PVC available in the market.
What is the typical density of Suspension PVC SG-3?
Its regular thickness is around 1.35 - 1.45 g/cm³. Polyvinyl chloride (PVC) is a polymer which is available in many forms, and one such form is suspension PVC. SG – 3 SPECIFIC CHARACTERISTICS. Several factors play a role in the density of the ultimate body plans. The molecular structure of PVC has an effect, too. A denser molecular arrangement is a more compact and orderly one. However, the final density can be influenced by polymerization conditions, such as temperature, pressure, and the type and level of initiators (Khan & Khan, 2020), during the production phase of Suspension PVC SG - 3. For instance, a strict polymerization setting could lead to a denser fiber. The density can be affected by any additives that have been added into the PVC in the manufacturing process. The density of SG - 3 PVC can be increased or decreased depending on the density of the filler, plasticizer or stabilizer added and the amount used. This density range is critical because it influences everything from how the material behaves when processed in manufacturing operations like extrusion and injection molding to its performance in the end - use products such as pipes, profiles and some plastic sheets.
What is the melting point of Suspension PVC SG-3?
It is Polyvinyl Chloride type: Suspension PVC SG - 3 Since PVC is an amorphous or semi - crystalline material, the melting point is not an explicit value.

For Suspension PVC SG - 3 the melting point is approximately in the range of about 160 - 180 °C and this range can be affected by many factors. Importantly, there is degree of polymerization. SG - 3 features high molecular weight, which enhances intermolecular forces and elevates the melting point somewhat even within the normal range for PVC.

Additives are another factor. The co-extrusion of SG - 3 with plasticizers would result in a decrement of melting point by weakening the intermolecular forces between the PVC chains. On the other hand, some fillers or reinforcing agents might slightly increase the perceived melting point or processing temperature range. In general, the general processing and thermal melting point range of Suspension PVC SG - 3 is observed between 160 - 180 °C.
What are the advantages of using Suspension PVC SG-3?
Benefits of Suspension PVC SG - 3 Suspend PVC SG - 3 First, it has a rather high degree of polymerization. As a result, the mechanical properties are good. This makes products manufactured using it more resistant to greater stress with superior tensile strength to serve in applications where durability is important (for some types of industrial hoses and certain types of pipes, for instance).

Second, SG - 3 is very plastic. It readily works into an array of shapes through manufacturing processes like as extrusion, injection molding and calendering. As a result, manufacturers can make various PVC - based products featuring a variety of designs and specifications ensuring that they cater to numerous market needs.

In line with the 3rd parameter is the chemical resistance, which is a favourable one for SG - 3. This property makes it useful for many applications, especially in all environments that can contact other stuff which would damage any other material. Such as for chemical storage or potentially in the manufacturing of containers polyprolene for certain mild chemical solutions.

Lastly, it has good electrical insulation properties. This is useful in the electrical industry, for example, in the manufacture of insulating sheaths for wires and cables, contributing to the safety and normal operation of electrical systems.
What are the disadvantages of using Suspension PVC SG-3?
Suspension PVC SG – 3 Cons Firstly, in processing performance, SG - 3 has a higher degree of polymerization. Such high polymerization degree can result in processing melting problems. This means higher process temperatures and higher shear forces, which might increase energy consumption and wear on equipment. Increased temperatures can also lead to potential thermal degradation of the PVC, which can be detrimental to the quality of the final product.

Second, all applications may not be suitable to the physical properties of the SG - 3 based product. It is relatively hard, which can reduce its flexibility. In applications where soft and pliable materials are required, such as in some soft - touch consumer products or flexible hoses, SG - 3 may not be suitable without the addition of significant amounts of plasticizers. But adding too much plasticizers may cause different problems especially plasticizer migration with time and can reduce product quality and safety features.

At the end of the day: the production cost of SG - 3 might be way higher compared to the others, due to the higher polymerization grade and the challenges in processing it. This renders products deriving from it more expensive and non-competitive on the market with products from PVC grades with lower polymerization degrees that are more easily processable and economically favorable.
How is Suspension PVC SG-3 processed?
Suspension PVC SG - 3 (suspension polyvinyl chloride resin) has certain properties such as:

It can be processed by the extrusion process to produce different profiles Firstly, proper additives are mixed with the PVC SG - 3 resin such as stabilizers to avoid thermal degradation during processing, plasticizers to increase their flexibility, and lubricants to decrease friction. The thoroughly mixed composite is then fed into the extruder. The extruder heats and melts the material in high pressure and pushes it through a die with the required shape, e.g. for window frames or pipes.

In the case of injection molding, the prepared PVC SG - 3 compound is fed into an injection molding machine. Machine heats up the material to a molten state, then under high pressure injects it into a pre - designed mold cavity. The final result is obtained after a cooling and solidifying time, such as several plastic parts.

PVC SG - 3 is rid of its objectives and compounded with additives, after which it is sent through a series of rollers that are heated during the calendering process. These rollers are progressively press the material into the sheets or films as desired thickness, which can be utilized for the applications such as flooring, packaging.
What are the common uses of Suspension PVC SG-3 in different industries?
However, this term refers to the fall of PBT (PBT-Polybutylene Terephthalate) and other linear thermoplastics, such as high heat-resistant p-, m-, or s-pals (Pals-Maleic Anhydride) and E-PALS (E-Polyamide), used in the manufacture of suspension PVC SG - 3.

It is highly valued in the cable and wire industry. Its outstanding electrical insulation properties make it perfect for cable sheathing. Its flexible yet sturdy nature allows it to conform to various shapes while maintaining strength and durability.

SG - 3 is used to produce artificial leather in the leather - like products industry. Adding the right plasticizers and additives could even make it look and feel like natural leather. The developed artificial leather is most commonly used in both furniture upholstery and footwear manufacturing as well as in automotive interiors due to its good wear - resistance, easy maintenance and relatively inexpensive final cost.

Pacification, PVC SG - 3 plastic film and sheetMaking films and sheets in this industry. They have good barrier properties for moisture and gases and can be used for packaging. In construction, sheets that are made of it can be used as partitions or decorative panels, with advantages such as light weight, easy processing, and corrosion resistance. 它用于涂覆金属或其他基材以增强耐久性和外观。
What is the price range of Suspension PVC SG-3 in the market?
Factors Affecting the Prices of Suspension PVC SG - 3 in the Market

In general, in a relatively stable market situation, the price per ton may be about 6000 yuan to 9000 yuan. But input costs are of utmost importance. PVC is manufactured using several raw materials such as ethylene or calcium carbide. Calcium carbide is an important component for the production of PVC SG - 3, therefore if there is an increase in the price of calcium carbide due to supply - demand imbalance in the coal industry (because coals are a big part of the calcium carbide production), then the cost of PVC SG - 3 will increase as well, which will push the market price of PVC SG - 3 up. Market demand, of course, impacts the price, as well. In peak seasons, big consumers of PVC SG - 3, such as cable and leatherette manufacturing industries, may see high demand leading to price increases. In contrast, during off - peak seasons or when there is an overcapacity in the PVC production market, the price might even fall towards the lower end of the range. If the production cost were actually significant, it shouldn't be expected that such a substantial influence in international market prices, exchange rates, government rules about environmental protection and protectionism would take place.

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