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PVC Ca Zn Stabilizer

Your Leading Yancheng Zhongmai Rubber & Plastic Material Co., LTD. Supplier
 

Yancheng Zhongmai Rubber & Plastic Material Co., LTD., is a professional manufacturer for AC/NC foaming agent and WPC processing additives. The company is committed to research & development, production, sales as one. In 2017, the company newly developed ammonia-free blowing agent, it is widely used in WPC and leather industry, has been sold all over the country, exported to Turkey and other European and American countries,and wins a good reputation.

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Why Choose Us?
 

01

High quality

Our main product is stabilizer, acrylic impact modifier agent, PVC processing aid, PVC foaming regulator, foaming agent, lubricant and other new tech chemical additives.

02

Rich experience

We are a professional manufacturer for AC/NC foaming agent and WPC processing additives with has more than 7 years of production work experience,

03

Advanced equipment

With the idea of intelligent production, scientific research and innovation, we introduce fully automatic environmental protection, efficient and energy-saving production lines.

04

Good service

We can provide production formula,free technology supporting for production,free sample,production cost budget, product customized OEM,and worker training service,etc.

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What is PVC Ca Zn Stabilizer?

 

 

Calcium zinc stabilizers provide excellent weather resistance to PVC products, protecting them from degradation caused by exposure to UV radiation, moisture, and other environmental factors. This property is particularly beneficial for outdoor applications, where durability and colour retention are essential.

 

Benefits of PVC Ca Zn Stabilizer

 

High thermal stability

These stabilizers offer effective heat stabilization, allowing PVC to withstand elevated temperatures without significant degradation.

01

Color retention

They contribute to maintaining the color stability of PVC products by minimizing discoloration caused by thermal degradation.

02

Mechanical properties

Calcium zinc stabilizers help preserve the mechanical strength, flexibility, and impact resistance of pvc, ensuring the durability and performance of finished products.

03

Weather resistance

They enhance the pvc's resistance to weathering, uv radiation, and environmental exposure, making it suitable for outdoor applications.

04

Cost-effectiveness

Calcium zinc stabilizers are often preferred for their cost-effectiveness compared to other stabilizer systems.

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Types of PVC Ca Zn Stabilizer
 
01/

General-purpose grades: Balanced combination of heat stability, weatherability, and processing performance.

02/

High-heat stability grades: Excellent heat stability during PVC processing at elevated temperatures.

03/

Weatherability grades: Enhance the resistance of PVC products to outdoor weathering, UV radiation, and environmental factors.

04/

Transparent grades: Maintain the clarity and transparency of PVC while providing necessary stabilization.

05/

Low-volatile organic compound (VOC) grades: Minimizing the emission of volatile organic compounds during PVC processing or in the final product.

06/

Food-contact grades: Complies with regulatory requirements for PVC products intended for food-contact applications.

 

 
Application of PVC Ca Zn Stabilizer
 
 
PVC pipes and fittings:

One of the primary applications of calcium zinc stabilizers is in the manufacturing of PVC pipes and fittings. These stabilizers provide excellent heat stability and UV resistance, making them ideal for outdoor applications. They also improve the mechanical properties of PVC pipes and fittings, making them more durable and long-lasting. Calcium zinc stabilizers are also free of heavy metals, making them environmentally friendly.

 
Wires and cables:

Calcium zinc stabilizers are also used in the manufacturing of PVC-insulated wires and cables. They improve the thermal stability of PVC, which is important for various service temperature of wires and cables application. Additionally, they help to reduce the amount of smoke and toxic gases produced during a fire, making them a safer option for electrical applications.

 
Profiles and sheets:

Calcium zinc stabilizers help to improve the durability and impact resistance of PVC, making it suitable for a wide range of outdoor applications such as PVC profiles and sheets. They provide excellent colour, good stability, ensuring that the PVC products maintain their appearance over time.

 
Flooring:

In the manufacturing of PVC flooring products, these stabilizers improve the mechanical properties of the flooring, making it more resistant to wear and tear. The excellent heat stability provided by calcium zinc stabilizers ensures that the flooring maintains its shape and appearance over time. Additionally, they provide good electrical insulation properties, making them ideal for use in commercial and industrial settings.

 
Medical devices:

Calcium zinc stabilizers also support the manufacturing of medical devices made from PVC. These stabilizers are biocompatible and do not contain any heavy metals, making them safe for use. Additionally, All materials being used here are approved for the use in medical applications and food contact plus the heat stability provided by the stabilizers also makes the devices more long-lasting. Calcium zinc stabilizers, with other additives and calcium stearates, are an essential ingredient in the manufacturing of PVC products.

 

 

 
 
Components of PVC Ca Zn Stabilizer
01.

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.

02.

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.

03.

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.

04.

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.

 

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How to Maintain PVC Ca Zn Stabilizer

To maximize the benefits of calcium zinc stabilizers for PVC formulations, it is important to follow certain considerations and best practices.

1.Optimal dosage and usage: Follow dosage guidelines for optimal performance without compromising pvc properties.

 

2.Compatibility: Consider compatibility with other additives and processing conditions.

 

3.Regulatory compliance: Adhere to regulatory requirements and obtain necessary certifications.

 

Challenges and Solutions in Application

However, the substitution of PVC Ca/Zn stabilizer for lead-based stabilizers is not without its challenges. Traditional PVC production equipment was designed to accommodate the use of lead-based stabilizers. Even with the addition of sufficient lubricants, it can be difficult to prevent the further melting of the epoxy resin within the allotted time frame. This disrupts the existing lubrication balance, leading to excessive consumption of thermal stabilizers in the homogenization stage of the PVC melt. As a result, the desired viscosity and elasticity for rigid PVC production may not be achieved. Addressing these issues is crucial for the successful application of PVC Ca/Zn stabilizers.

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Historical Background And Evolution

Ca-Zn stabilizers were first introduced in the 1970s as a substitute for lead-based stabilizers in the wire and cable industry. However, these early stabilizers were far from perfect, faced challenges with maintaining color and processing efficiency.

 

Through persistent research and technological advancements, the limitations were gradually overcome. Today’s Ca-Zn stabilizers not only provide excellent color and improved processing but also offer exceptional thermal stability, making them a top choice for PVC applications.

 

Future Prospects
 

The future of Ca/Zn stabilizers looks promising. With the increasing focus on sustainability and technological advancements, manufacturers are continually innovating to develop sophisticated Ca/Zn formulations that can cater to a broader range of PVC applications.

 

Furthermore, the integration of nanotechnology presents exciting opportunities to enhance the performance of these stabilizers even further. The use of nanostructured materials could potentially increase their efficiency, offering cost-effective solutions with lower usage levels.

 

The increasing global demand for eco-friendly stabilizers points towards a bright future for Ca/Zn stabilizers, ensuring their role will only become more critical as the PVC industry evolves.

 

How To Make Calcium And Zinc Stabilizers Play A Full Role

 

 

The green and environmental protection of the calcium-zinc stabilizer formula: It is necessary to pay attention to whether the content of heavy metals (lead, cadmium, tin, barium) can meet the product and meet the requirements of the new national standard.

 

Calcium-zinc stabilizer has strong internal lubricating effect, so more external lubricants need to be added.

 

Ca-Zn stabilizer thermal stability than the lead salt is weaker, narrower processing window, higher control requirements. 4. Pay attention to the mold cleaning cycle during the operation process. The addition of calcium and zinc stabilizer lubricants is likely to increase the precipitation and affect the mold cleaning cycle. It has a greater impact on large-scale production, and it is necessary to strictly select stabilizers. If it is its own stabilizer, it needs to be matched with PE wax or oxidized wax with good lubricating effect in the middle and late stages . The vacuum degree must be strictly controlled to reduce precipitation and prolong the cleaning time of the mold.

 

 
Lead-Based Stabilizers Vs Calcium/Zinc-Based Stabilizers
 

 

Criteria

Lead Based Stabilizers

Calcium/Zinc Based Stabilizers

Environmental Impact

Concerns about toxicity and contamination

More environmentally friendly product

Toxicity and Health

Poses significant health risk

Safer alternative

Thermal Stability

Historically known for effective stability

Improved formulations for heat stability

Weather Resistance

Reasonable, but effectiveness can vary

Provides excellent weather resistance

Regulatory compliance

Have environmental Concerns

Compliant with current stan

 

In essence, understanding calcium/zinc-based one-pack stabilizers unveils a world of sustainable, high-performance solutions. Technological advancements have made calcium/zinc stabilizers competitive in terms of performance and cost, offering a safer and more sustainable solution for PVC applications.

 

 
Our Factory
 

Yancheng Zhongmai Rubber & Plastic Material Co., LTD., is a professional manufacturer for AC/NC foaming agent and WPC processing additives. The company is committed to research & development, production, sales as one.

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Our Certificate
 

 

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FAQ
 

Q: What are the benefits of using calcium zinc stabilizer?

A: Calcium zinc stabilizer offers excellent heat stability and weather resistance, high clarity, and minimal color loss. It is also non-toxic and environment-friendly compared to other stabilizers such as lead.

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 is CA Zn stabilizer used for?

A: Function: The primary function of Paste Calcium Zinc Stabilizer is to enhance the heat stability and weather resistance of PVC products. It protects the PVC from degradation during processing and exposure to external factors like heat, UV radiation, and weather conditions.

Q: What is barium zinc stabilizer used for?

A: PVC compounds incorporating barium/zinc stabilisers are used to make a range of paste PVC applications. They are the most commonly used stabiliser in flexible foils (eg: for membranes, stationery and automotive applications), flooring, wall covering, flexible tubing and footwear.

Q: What is the composition of calcium zinc stabilizer?

A: A calcium zinc stabilizer, it is characterised in that it is made up of the raw material of following mass percent: calcium stearate 10%- 12%, zinc stearate 4%-5%, beta-diketon 8%-10%, phosphite ester 4%-30%, antioxidant 12%-15%, brucite 9%-16%, PE wax 13%-19%, epoxidized linseed oil 4%-10%, auxiliary stabilizer 1%-3%.

Q: What additive is added to PVC?

A: The most common additives used in PVC include: Stabilizers: Heat Stabilizers: Prevent the thermal degradation of PVC during processing and end-use applications. Examples include metallic soaps (lead, cadmium, zinc, barium), organic-based stabilizers, and mixed metal stabilizers.

Q: Why is calcium carbonate added to PVC?

A: In PVC products, CaCO3 is added for two reasons: to reduce the cost and to provide functional properties. Viscosity of PVC compound is important from a processing point of view. It increases with the addition of filler because CaCO3 does not melt during processing.

Q: What is PVC compound made of?

A: POLYVINYL CHLORIDE RESIN
Ethylene can be derived from naphtha when oil is refined. Chlorine and ethylene can be combined to form the monomer, vinyl chloride (VCM). PVC results from the polymerization of vinyl chloride. PVC cannot be processed on its own due to its very low thermal stability and high melt viscosity.

Q: What is the formulation of PVC heat stabilizer?

A: Further, described PVC calcium zinc heat stabilizer is preferably by 20 parts of cinoxacin zinc salts, and 30 parts of cinoxacin calcium salts, 10 parts of diphenylpropane-1,3-dione(DPPO)s, 8 parts of tetramethylolmethanes, 32 portions of triphenyl phosphites form.

Q: What is the addition of stabilizer during PVC manufacturing is done to?

A: PVC requires the addition of heat stabilizers in order to reduce dehydrohalogenation (loss of hydrogen chloride [HCl]) at processing temperatures. Zinc and calcium soaps, organotin mercaptides, and organic phosphites are among the many additives found to be effective.

Q: What is the primary plasticizer for PVC?

A: Primary plasticizers are low-volatility liquids, whose polarity is such that they are sufficiently compatible with PVC and will not be readily squeezed out of plasticized PVC by moderate pressure. They are mainly responsible for providing flexibility.

Q: What are the main ingredients in PVC?

A: Composition of PVC
The basic components of PVC are ethylene (C2H4), a colorless gas derived from petroleum, and chlorine obtained through the electrolysis of saltwater. Chlorine accounts for 57% of the mass of a vinyl chloride monomer or molecule, while carbon and hydrogen make up 38% and 5% respectively.

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.

Q: What stabilizers are used in PVC?

A: Calcium or Zinc-based Compounds
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 leaches out of PVC?

A: Toxic metals such as lead, cadmium, and organotins are used as stabilizers. Toxic flame retardants are added to suppress fires. All of these additives can leach from plastic during use, exposing all of us, and contaminating the indoor and outdoor environment.

Q: What ingredient is used as a stabilizer?

A: Lecithin, agar-agar, carrageenan and pectin are common in ice cream, margarine, dairy products, salad dressings and mayonnaise. Gelling agents also function as stabilizers and thickeners to provide thickening without stiffness through the formation of gel in jellies, jams, desserts, yogurts and candies.

Q: What is a natural stabilizer?

A: Keeping labels natural
Stabilizers are polymeric carbohydrates such as gums, fibers and starches, as well as select proteins, that can—as the term suggests—stabilize a food system.

Q: What is water soluble stabilizer made of?

A: Made from water soluble fibres, WSS completely dissolves and disappears or 'melts' when submerged in water. There are different kinds of WSS, including a mesh like film version, a plastic film version, and even paper like versions - they all do the same job!

Q: What is a stabilizer ingredient?

A: They are a group of compounds in the same family as thickeners and gelling agents. Both manufactured and found in nature, these substances work at a particle level to maintain and intentionally alter a product's viscosity. Some common examples of food stabilizers include pectin, lecithin and carrageenan.

Q: What is an organic stabilizer?

A: Organic based stabilizers have been considered as a new technology providing environmentally friendly heat stabilizer for PVC pipe production to substitute conventional lead stabilizer as well as calcium zinc stabilizer.

As one of the leading PVC ca zn stabilizer suppliers in China, we warmly welcome you to buy high quality PVC ca zn stabilizer at competitive price from our factory. For free sample, contact us now.

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