Chlorinated Paraffin 52/CPW52 Features and Applications

Characteristics

Physicochemical properties

Appearance:  Light yellow to amber viscous liquid, tasteless or slightly odorless.

Density:  About 1.25-1.35 g/cm³ (25℃).

Thermal stability:  Stable at room temperature, but may decompose at high temperature (>120°C), releasing hydrogen chloride (HCl).

Volatility: Low, suitable for long-term use.

Compatibility:  Good compatibility with PVC, rubber, mineral oil and many other materials.

Functional properties

Flame retardant: Interrupts the combustion chain reaction by releasing chlorine radicals, reducing the flammability of the material.

Plasticizing:  As an auxiliary plasticizer, it improves the flexibility of PVC and other plastic products.

Electrical insulation: Improve the insulating property of the material, suitable for wires and cables.

Lubricity: As an extreme pressure additive to enhance the anti-wear properties of lubricants.

Chemical inertness: Resistant to acids, alkalis and oxidizers, with high environmental stability.

Main application areas

Plastic industry

PVC products: Used in cable sheaths, floor leather, hoses, etc., replacing some of the main plasticizers (such as DOP) to reduce costs.

Flame retardant materials: Added to plastics (such as PE, PP) to enhance the flame retardancy, applicable to electronic shells, construction materials.

Rubber industry

As flame retardant and softener, used in conveyor belts, seals and other flame-resistant rubber products.

Paint and Coating

Used in fireproof coatings and marine paints to enhance flame retardancy and chemical resistance.

Metal Processing

Added to cutting oil and gear oil to improve extreme pressure and anti-wear performance.

Other Fields

Adhesives: Improve flexibility and bond strength.

Textiles/leather: As a flame retardant treatment agent or softener.

Typical Usage and Precautions

Addition ratio

Plasticizing: Usually add 5%-30% (compounded with the main plasticizer), the specific proportion is adjusted according to the demand of hardness and flexibility.

Flame retardant: Add 10%-20% to the substrate, need to be used in conjunction with other flame retardants (such as antimony oxide).

Processing

Mixing: Mix evenly with resin and filler at room temperature, avoid local overheating.

Processing temperature: Control below 120℃ to prevent decomposition of HCl; high temperature processing needs to add heat stabilizers (such as calcium - zinc stabilizer).

Suggestions for compounding

Use with main plasticizer (such as DOP, DINP) to balance cost and performance.

It can be compounded with antimony trioxide (Sb₂O₃) in the ratio of 3:1 in the flame retardant system to enhance the flame retardant efficiency.

Storage and Safety

Keep sealed in a cool place, avoid light and high temperature.

Wear protective equipment (gloves, goggles) when handling, ensure good ventilation and avoid inhaling volatiles.