Candle making is an art form that blends aesthetics with controlled combustion, and the choice of wax and additives plays a crucial role in the final product's performance and appeal. Stearic acid, a saturated fatty acid derived from natural fats, has long been a favored additive among candle makers for its ability to enhance wax properties, particularly hardness, burn time, and visual characteristics.

The primary function of stearic acid in candle making is to increase the hardness and melting point of waxes, whether they are paraffin, soy, or blends. By adding stearic acid, candle makers can create molded candles that retain their shape more effectively, especially in warmer environments. This increased hardness also leads to a slower melting rate, which translates into a longer burn time for the candle. This means the candle provides hours of illumination and fragrance, offering greater value to the consumer.

Another significant benefit of stearic acid in candles is its effect on opacity and color. When added to wax, it can impart a milky, opaque appearance, which helps to enhance the vibrancy and depth of colored dyes used in the candle. This creates a more aesthetically pleasing and uniform color distribution throughout the wax, making the finished candle visually attractive.

Stearic acid also contributes to the stability of the candle's structure, preventing issues like cracking or excessive shrinkage as the wax cools. It helps to achieve a smooth, even surface finish, which is important for both the appearance and the burning characteristics of the candle. For container candles, it can help the wax adhere better to the container walls.

The typical dosage of stearic acid in candle formulations ranges from 3% to 5% of the total wax weight, although this can be adjusted up to 10-25% depending on the type of wax used and the desired level of hardness. It is usually added to the molten wax and mixed thoroughly before pouring.

NINGBO INNO PHARMCHEM CO., LTD. supplies high-quality stearic acid suitable for all candle-making applications. Our product ensures that candle makers can achieve the optimal balance of hardness, burn characteristics, and visual appeal, creating premium candles that delight consumers.