What Is Stabilizer?

 

A stabilizer is a chemical additive added to polyvinyl chloride (PVC) to improve its thermal and mechanical properties.

 

 
Advantages of Stabilizer
 
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Heat stability: PVC is sensitive to high temperatures, and when exposed to heat during processing or in service, it can undergo thermal degradation, resulting in color change, loss of mechanical properties, and ultimately material failure. Stabilizers help prevent or minimize heat-induced degradation, maintaining the integrity and performance of the PVC product.

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UV resistance: When PVC is exposed to sunlight and UV radiation, it can undergo photo-oxidative degradation, causing yellowing, brittleness, and surface cracking. UV stabilizers in PVC formulations protect the material from the harmful effects of UV rays, preserving its appearance and extending its service life in outdoor applications.
Weatherability: Outdoor PVC applications, such as building materials, need to withstand various weather conditions, including rain, humidity, and temperature fluctuations. Stabilizers enhance the PVC's resistance to weathering, preventing it from degrading or becoming brittle over time.

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Oxidation resistance: PVC is susceptible to oxidation, especially when in contact with certain chemicals or environmental pollutants. Stabilizers act as antioxidants, inhibiting the oxidation process and maintaining the PVC's performance and appearance.

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Color stability: Stabilizers help prevent color changes in PVC due to exposure to light, heat, and other environmental factors, ensuring that the material retains its original color and appearance over an extended period.

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Processability: PVC stabilizers improve the processability of PVC during manufacturing processes such as extrusion, injection molding, and calendering. They ensure smooth processing, uniformity, and consistency in the final product.

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Flame retardancy: In some applications where fire safety is critical, certain stabilizers contribute to improving the PVC's flame retardancy, reducing the risk of fire spread and enhancing safety.

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Why Choose Us

 

Our factory
JIAAO ENPROTECH was founded in Jan, 2003, specializing in research, production and sales of environment friendly plasticizers. Company was listed on Shanghai Stock Exchange A-share on April 28, 2016, stock code 603822.

 

High quality
We are manufacturers of environmentally friendly plasticizers, stabilizers, and biodiesel, specializing in the development of eco-friendly, renewable, and biodegradable bio-based plasticizers. Our diverse range of products is widely used in various plastic product sectors associated with daily life.

 

Quality control
Our company manufactures a wide range of non-toxic, environment-friendly plasticizers, the main plasticizers are registered in EU's REACH, testified by SGS, products reach the international Non-toxic and environmental protection Standard .

 

Professional team
Recognized as a National Torch Program high-tech enterprise, the company holds numerous national patents and actively contributes to industry standards.With a robust R&D system and talent cultivation mechanism, including recruitment of PhDs and Masters, the company focuses on high-value biomass energy products research.

 

Innovation
With a vision to become a global leader in environmental biomass energy, the company's efforts in product innovation and development aim to drive advancements in this field.

 

Types of Stabilizer
Quality Liquid Barium-Zinc Stabilizer
Phenol-free Barium-Zinc Stabilizer
Liquid Calcium-Zinc Heat Stabilizer Manufacturer
Liquid Calcium-Zinc Heat Stabilizer

Lead-based stabilizers
These were the first generation of PVC stabilizers and are still used in some applications. However, due to their toxicity, they are being phased out in many countries. Lead-based stabilizers work by reacting with the degradation products of PVC and forming stable complexes.

 

Calcium-based stabilizers
These are the most commonly used PVC stabilizers today. Calcium-based stabilizers work by reacting with hydrogen chloride, which is generated during PVC degradation, and neutralizing it. This prevents the formation of hydrochloric acid, which can accelerate PVC degradation.

 

Tin-based stabilizers
These stabilizers work by reacting with PVC and forming a protective layer on the surface. Tin-based stabilizers are effective at low temperatures and are often used in applications such as outdoor profiles and window frames.

 

Organic stabilizers
These stabilizers are based on organic compounds such as phenols, amines, and phosphites. Organic stabilizers work by scavenging free radicals generated during PVC degradation and preventing chain scission.

 

Barium-based and mixed metal stabilizers
Barium-based and mixed metal stabilizers are commonly used in PVC formulations due to their excellent thermal stability and cost-effectiveness. These stabilizers work by reacting with the hydrogen chloride that is released during the PVC degradation process, thus preventing the formation of hydrochloric acid.

 

Application of Stabilizer
 

Construction industry
Stabilizers are widely used in various PVC building materials, such as PVC window frames, PVC floors, PVC pipes, etc. Stabilizers can improve the UV resistance, oxidation resistance and weather resistance of PVC materials, ensuring the stability and durability of building materials for long-term use.

 

Packaging industry
Stabilizers are also widely used in PVC packaging materials, such as PVC film, PVC bottle caps, etc. Stabilizers can improve the thermal stability and light stability of PVC packaging materials, enhance their heat resistance and weather resistance, and protect the quality and safety of packaged items.

 

Automobile industry
Stabilizers are widely used in PVC products such as automotive interior parts and body decoration parts. Stabilizers can improve the thermal stability and weather resistance of PVC materials, increase their service life, and at the same time provide good surface gloss and color stability.

 

Electronic and electrical industry
Stabilizers are widely used in PVC products such as wires and cables, electronic product casings, etc. Stabilizers can improve the thermal stability and electrical properties of PVC materials, and ensure the safety and reliability of electronic and electrical products.

 

Outdoor signage and advertising
PVC-based materials are extensively used in outdoor signage, billboards, and advertising displays due to their durability and cost-effectiveness. Stabilizers protect PVC from degradation caused by sunlight, moisture, and temperature variations, ensuring the longevity and visual appeal of these outdoor advertising mediums.

 

Medical equipment
PVC is extensively used in medical equipment due to its excellent transparency, flexibility, and resistance to sterilization techniques. Stabilizers play a vital role in maintaining the properties of PVC medical devices, such as medical tubing, blood bags, and oxygen mask. Stabilizers like Calcium zinc-based provide the necessary heat stability and ensure the biocompatibility of PVC in contact with human tissues.

 

What Is PVC Stabilizer Made Of?

 

PVC stabilizers are composed of a synergistic blend of compounds designed to deal with specific vulnerabilities in the PVC matrix. The key components typically consist of heat stabilizers, light stabilizers, lubricants, and antioxidants. By working together in a synergistic manner, these components within the stabilizer blend safeguard the integrity of PVC products, ensuring their resilience and functionality in various environmental conditions.


Heat Stabilizers: These components act like a thermal shield for PVC, making sure that even when the heat is rising substantially, the material retains its structural integrity and mechanical properties.


Light Stabilizers: Protecting PVC from ultraviolet (UV) radiation is crucial for outdoor applications. Light stabilizers prevent UV-induced degradation, which can lead to color fading, embrittlement and overall deterioration of the material.


Lubricants: Lubricants are added to PVC formulations to make the processing a lot easier and enhance the flow of the material during manufacturing as well. Moreover, they contribute to the stability of the PVC matrix.


Antioxidants: Antioxidants are incorporated to inhibit the oxidation of PVC. They prevent harmful chemical reactions (oxidation) from happening inside the material. Hence, maintaining the material’s resistance to oxidative degradation. 

 

Process of Stabilizer

 

Raw material sourcing
Raw materials used in stabilizers typically include metal oxides or hydroxides, and organic compounds such as polyols. Zinc oxide is a common metal oxide, while pentaerythritol is a frequently used polyol.

 

Mixing and blending
These ingredients are precisely measured and mixed to achieve the correct proportions. They are then blended to form a homogenous mixture, ensuring uniform distribution of each component.

 

Compounding
The mixture undergoes compounding, where it is further processed to be integrated seamlessly with PVC. This step may involve heating the mixture to induce the necessary chemical reactions.

 

Pelletizing
Post-compounding, the stabilizer is formed into pellets. This form is more manageable and is preferred for ease of distribution and incorporation into PVC manufacturing processes.

 

Quality control
Lastly, quality control tests are conducted on the stabilizer pellets. Tests confirm attributes like thermal stability and composition accuracy.

 

Safety Precautions When Using the Stabilizer
 

 

Before adding and using stabilizer, we must first understand its compatibility with the added polymer. If the stabilizer reacts with the added polymer, its application effect will be counterproductive.

 

In the process of manufacturing PVC products by production technology, most of the time, it is not only possible to use a certain plastic additive at the same time. Therefore, during the processing, we should also pay attention to the relationship between the stabilizer and other plastic additives. Capacitive.

 

Different plastic products have different requirements for the performance, odor, stability and other characteristics of the stabilizer to be added. Before operating the system, you should analyze the specific situation according to the specific problem and choose a suitable composite stabilizer. 

 

The appropriate amount of stabilizer should be paid attention to during use, too much or too little will not achieve the required stabilizing effect.

 

What Are the Trends and Development Directions of Stabilizer in the Market

 

Emphasis on health and safety regulations
The focus on minimizing toxic additives in PVC manufacturing is driving the adoption of safer stabilizers, which are compliant with international standards. This demand for compliant stabilizers is reflected in a growing market share for non-toxic alternatives, expected to witness a substantial CAGR in the coming years. Regulatory compliance is also spurring innovation in stabilizer formulations that meet both safety and performance criteria.

 

Significant innovations in material science
Innovations in the field of material science are unlocking new potential for PVC stabilizers. High-performance stabilizers that offer improved thermal resistance and durability are now under development, with several already on the market. This innovation surge is motivated by industrial needs for more resilient, long-lasting PVC products in sectors like construction, healthcare, and automotive. Cutting-edge research is opening doors for stabilizers that can offer enhanced material characteristics while being cost-effective, thereby meeting the dual objectives of quality and affordability.

 

Mergers and collaborations
The PVC stabilizer market is experiencing a wave of consolidations and strategic partnerships. These strategic movements are essential in driving the market forward as they pool together technical expertise and widen resource availability. For instance, collaborations between raw material suppliers and stabilizer manufacturers are not only expanding the product line but are also improving the overall efficiency and sustainability of PVC stabilizers. This is contributing to the market growth significantly.

 

Our Factory
 

JIAAO ENPROTECH was founded in Jan, 2003, specializing in research, production and sales of environment friendly plasticizers. Company was listed on Shanghai Stock Exchange A-share on April 28, 2016, stock code 603822.After years of hard work, JIAAO ENPROTECH now has formed the 3 main product species, i.e. Epoxy products, Fossil products and Multifunctional composite products. Our plasticizers are widely used in cable, artificial leather, flocking, light box membrane, plastic film, plastic decking, outdoor water pipe, etc. 

 

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FAQ

Q: What is one pack PVC stabilizer?

A: A one-pack PVC stabilizer is a specialized formulation used in the processing of polyvinyl chloride (PVC) materials. It is designed to simplify the production process by combining all the necessary stabilizing agents, additives, and modifiers into a single, pre-mixed package.

Q: What is the best stabilizer for PVC?

A: Organotin stabilizers are said to be the most efficient and best stabilizers for PVC due to their performance, usage, toxicity and compatibility. Organotin stabilizers offer excellent thermal performance even at 0.3 PHR and hence are employed as the most efficient thermal stabilizers.

Q: What stabilizer is used in plastic?

A: Stabilizers are used at all stages of the polymer life-cycle. They allow plastic items to be produced faster and with fewer defects, extend their useful lifespan, and facilitate their recycling. However they also continue to stabilise waste plastic, causing it to remain in the environment for longer.

Q: What is PVC stabilizer used for?

A: The PVC stabilizer protects PVC from decaying and oxidation and substantially improves its processing characteristics. Without adding stabilizers, PVC becomes brittle and prone to cracking as the stabilizers significantly impact the strength of PVC material.

Q: What do Stabilisers do in plastic?

A: Stabilisers prevent deterioration of the polymer due to environ- mental factors. Antioxidants are added to ABS, polyethylene and polystyrene. Heat stabilisers are required in processing polyvinyl chloride. Stabilisers also prevent deterioration due to ultra-violet radiation.

Q: Why would you add a stabiliser to a plastic?

A: Stabilizers are used across the plastic industry because they are a necessary part of making plastic withstand different conditions. Plastic may seem like a solid material that can do a lot on its own, but plastics are susceptible to other chemicals and UV radiation.

Q: What is the formulation of PVC heat stabilizer?

A: Further, preferred described PVC calcium zinc heat stabilizer is by 17.4 parts of oxolinic acid zinc, and 62.6 parts of oxolinic acid calcium, 20 parts of diphenylpropane-1,3-dione(DPPO)s form.

Q: Why is stabilizers added to polypropylene?

A: Oxidation can take place during melt processing operations, at elevated temperatures during end use, or from exposure to ultraviolet light (i.e. in sunlight). Stabilizer additives have been developed that are very effective for improving the stability of polypropylene and TPO to oxidative degradation.

Q: What is the difference between plasticizers and stabilizers?

A: Plasticizers are one of the key materials which improve the characteristics of the final products such as flexibility, which would not be realized without it, to PVC and rubbers. PVC stabilizers are one of the essential materials for PVC to improve processability and characteristics of PVC products.

Q: What is the use of PVC stabilizer?

A: PVC stabilizers are widely used in the automotive industry for interior components, such as dashboards, door panels, and seat covers. Stabilizers like lead-based or Calcium zinc-based contribute to the heat resistance, weather ability, and flame retardancy of PVC.

Q: What is the primary stabilizer for PVC?

A: Calcium/zinc-based stabilizers that are used for rigid PVC applications are generally available in liquid/ powder forms. Such heat stabilizers improve color stability during the processing of PVC and maintain it during the lifetime of the PVC article.

Q: What stabilizer is used in plastic?

A: Stabilizers are used at all stages of the polymer life-cycle. They allow plastic items to be produced faster and with fewer defects, extend their useful lifespan, and facilitate their recycling. However they also continue to stabilise waste plastic, causing it to remain in the environment for longer.

Q: What is the heat stabilizer used in PVC?

A: Barium-zinc additives are very effective heat stabilizers for PVC but are restricted for medical applications in some countries. Alternatives like calcium-zinc formulations are often used to stabilize medical-grade PVC against heat.

Q: What are calcium zinc stabilizers for PVC?

A: Calcium zinc stabilizers function by inhibiting the breakdown of PVC molecules at high temperatures. They neutralize acidic byproducts formed during thermal degradation, preventing the loss of polymer integrity and maintaining the PVC's mechanical and physical properties.

Q: What stabilizer is used in PVC pipe?

A: Tin stabilizer is made of tin stearate and is used in flexible PVC applications due to its superior flexibility and low-temperature performance. These PVC stabilizers are made with a combination of calcium and zinc compounds, like calcium zinc stearate, and are used for flexible and rigid PVC applications.

Q: Why are plasticisers added to PVC?

A: Plasticizers are commonly added to polymers and plastics such as PVC, either to facilitate the handling of the raw material during fabrication, or to meet the demands of the end product's application.

Q: What is the role of stabilizers in polymers?

A: Stabilizers are used at all stages of the polymer life-cycle. They allow plastic items to be produced faster and with fewer defects, extend their useful lifespan, and facilitate their recycling. However they also continue to stabilise waste plastic, causing it to remain in the environment for longer.

Q: How does PVC stabilizer work?

A: Wires and Cables:PVC stabilizers help maintain the mechanical and electrical performance of PVC-insulated wires and cables. Stabilizers like lead and Calcium zinc-based enhance heat stability, reduce cable corrosion, and protect against electrical breakdown, ensuring the safe and efficient transmission of electricity.

Q: What are the chemicals in PVC heat stabilizer?

A: The main heat stabilizers available and used for PVC are: Compounds of lead (mainly basic lead sulfate and lead stearate). All forms of lead are extremely toxic to humans because of their cumulative effects.

Q: What is the chemical name for stabilizer?

A: Tris(2,4-di-tert-butylphenyl)phosphite is a widely used stabilizer in polymers. Partial structure of typical hindered amine light stabilizers, widely used to protect automotive paints from degradation by UV-light.

We're well-known as one of the leading stabilizer manufacturers and suppliers in China. If you're going to buy high quality stabilizer at competitive price, welcome to get more information from our factory.

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