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Paraffin wax grades are achieved from the slack wax dewaxing process. These grades are classified into 3 types based on the oil content.

• Fully-refined paraffin wax
• Semi-refined paraffin wax
• Crude paraffin wax

Generally, paraffin wax with less oil has higher quality and more transparency. 

Fully-Refined Paraffin Wax

Fully-refined paraffin wax is a solid, white, very hard crystalline material that cannot be changed easily. It has a low oil content (less than 0.5%) with a high melting point and good physical stability. Because of its low oil content, this is the best grade of paraffin wax.

Fully-refined paraffin wax is treated with water or clay to remove impurities and colorants. So it is free of odor and water. 

This material has non-sticky, non-greasy, waterproof, and moisture-proof properties. It can be dissolved in benzene, ether, chloroform, carbo-n tetrac-hloride, carbon disul-fide, petroleum, fixed oil, and turpentine.

Fully-Refined Paraffin Wax Uses

    Fully-refined paraffin wax is used for wide applications. Due to its unique features mentioned above and its high quality, it is the only grade that can be used for medicinal and food purposes.
    In the food industry, it is utilized in cooking and frying oils, coating chocolates, polishing fruits, cheese-coating, paper cups, and packaging food.
    In the pharmaceutical industry, paraffin wax is used to coat tablets.
    Fully-refined paraffin wax is applied in the candle-making industry to make high-quality candles and decorative candles.
    Based on its high purity and non-toxicity, fully-refined paraffin wax is used in cosmetics and health industries. For example, it is helpful for producing cream, skin masks, face wash, mascara, lipstick, and other hand and foot oils.


 

Semi-refined paraffin wax

Semi-refined paraffin wax is white, too hard, tasteless, odorless, and solid at room temperature. It has more than 1% oil content. Semi-refined paraffin wax has chemical stability, well flexibility, and good insulation. It is insoluble in water and alcohol.

Semi-refined paraffin wax is classified based on oil content into four grades:

    1-2% oil content
    2-4% oil content
    3-5% oil content
    5-7% oil content

In addition, in another classification, semi-refined paraffin wax is divided into two types: 

    Light grade which has 1-3% oil content
    Heavy grade which has 5-7% oil content

If the oil content of semi-refined paraffin wax is less, the quality is higher. Also, it is whiter and harder.

Semi-Refined Paraffin Wax Uses

Applications in the Paper Industry
- Paraffin waxes for impregnation

The structure of the paper should not adsorb moisture. By impregnating the paper with additives, it can become waterproof. These additives, which are used in paper production include paraffin wax and polymers.
- Paraffin waxes in coatings

In coating, a film is formed on the surface of the paper. One of the materials used in the coating is paraffin wax, which gives a gloss, light color, hardness, and transparency to the paper.

    Paraffin waxes for lamination
    Paraffin waxes as additives to paper sizes

Applications in Cosmetics

    Cosmetic creams
    Solid perfumes
    Beauty masks
    Protective creams for industrial workers
    Facial care and beauty products
    Hair preparations
    Antiperspirants

Applications in Household Chemicals 

    Polishes with paraffin wax as an additive
    Candles

Various applications

    The match industry
    The rubber industry
    Precision casting
    The manufacture of refractory ceramics
    The electrical industry

Crude Paraffin Wax

Crude paraffin wax is not completely refined. It has high oil content (more than 7% oil

content), so the color of this product is dark. Its structure is soft and brittle. 

Crude paraffin wax has a low melting point, good thermal stability, toughness and

shrinkage. By adding polyolefin additives to crude paraffin wax, its melting point can be increased.

Crude Paraffin Wax Uses 

Crude paraffin wax is utilized to make matches, fiberboard, and canvas. 

It can be widely used in moisture-proof and waterproof packaging paper, cardboard,

surface coating of textiles, and candle production.