PVC Stabilizers

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PVC Stabilizers Specification

CAS No
Varies based on the type of stabilizers used (e.g. calcium stearate - CAS 1592-23-0)

Poisonous
NO

EINECS No
Variable; depends on the stabilizer type

Shelf Life
Typically 12-24 months if stored under recommended conditions

Ingredients
May include metallic soaps organotin compounds or mixed metal stabilizers such as Ca-Zn or Ba-Zn

Smell
Neutral

Structural Formula
Dependent on the specific stabilizer compound (e.g. organotin lead calcium-zinc types)

Melting Point
Not applicable (varies depending on the formulation)

Application
Used to stabilize polyvinyl chloride (PVC) against heat and UV degradation

Density
2.2 Gram per cubic centimeter(g/cm3)

Usage
Primarily in rigid and flexible PVC manufacturing for pipes profiles cables and films

Taste
Odorless

Shape
Granular/powder or liquid form

Solubility
Not soluble in water; soluble in organic solvents

Molecular Formula
Varies by formulation

Properties
Heat stability UV protection enhances processing improved weather resistance

Purity
Varies by formulation

Molecular Weight
Varies by formulation

Appearance
White powder or clear liquid

Grade
Industrial grade

Physical Form
Powder or liquid depending on the type

Storage
Store in a cool dry place away from moisture and direct sunlight

Ph Level
Neutral to slightly alkaline (specific to composition)

HS Code
38123090 (indicative may vary by country)

About PVC Stabilizers

stabilisers for PVC compounds are characterised by a central tin atom, surrounded by alkyl and acidic groups. Mixtures of mono and dialkyl tin salts are used and commercial tin heat stabilisers typically vary the ratio, depending on the performance and property requirements of the final product.

Advanced Protection for PVC Products

PVC stabilizers are engineered to safeguard PVC products from the detrimental effects of heat and UV exposure, extending their durability and lifespan. With a choice of powder or liquid forms, these additives seamlessly integrate into manufacturing processes and enhance the physical and weather-resistant properties of end products. Their compatibility with a wide array of industrial uses ensures versatile and effective PVC stabilization for diverse applications.

Optimal Use and Handling Recommendations

Store PVC stabilizers in a cool, dry place away from direct sunlight and moisture to prevent degradation. Ensure the containers are tightly sealed and check purity and grade before use. Adhering to these guidelines, users can maximize the shelf life (up to 24 months) and maintain product performance for consistently reliable manufacturing outcomes.

FAQs of PVC Stabilizers:

Q: How do PVC stabilizers protect polyvinyl chloride products?

A: PVC stabilizers inhibit heat and UV-induced degradation of PVC by neutralizing hydrochloric acid formed during processing and exposure. This action helps preserve physical integrity, color, and flexibility, extending the functional lifespan of PVC-based products.

Q: What are the main benefits of using PVC stabilizers in manufacturing?

A: Key advantages include improved heat stability, enhanced UV resistance, better processing properties, and superior weather resistance. These benefits result in longer-lasting PVC items, reduced yellowing, and minimized brittleness over time.

Q: When should PVC stabilizers be added during PVC processing?

A: PVC stabilizers are typically blended with PVC resin and other additives before the extrusion or molding process. Adding them at the initial mixing stage ensures thorough dispersion and optimum protection throughout the product lifecycle.

Q: Where are PVC stabilizers most commonly used?

A: They are widely utilized in manufacturing both rigid and flexible PVC products, such as pipes, window profiles, cables, films, and sheets. Their use is prevalent in industrial applications requiring durable, weather-resistant, and UV-stable PVC materials.

Q: What storage conditions are recommended for PVC stabilizers?

A: For best results, store PVC stabilizers in a cool, dry location, shielded from direct sunlight and moisture. Proper storage safeguards against clumping, degradation, and loss of effectiveness, supporting optimal shelf life of 12-24 months.

Q: How can I determine the right type of PVC stabilizer for my application?

A: Selection depends on application requirements, processing conditions, and regulatory considerations. Organotin, calcium-zinc, and mixed metal stabilizers each offer specific performance characteristics. Consulting with a supplier can help match the stabilizers properties to your products needs.

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