The greatest advantage of HEL-40 lies in its natural origin and mildness. It is produced by ethoxylating hydrogenated castor oil, making it a non-ionic surfactant derived from natural, renewable resources. This characteristic gives it an inherent advantage in the personal care and cosmetics field—its acute oral toxicity LD50 > 5000 mg\/kg, it is non-irritating to the skin and non-allergenic, and can be directly used in high-end gentle formulations. In contrast, many petroleum-based synthetic emulsifiers of the same type have relatively higher irritation, requiring formulators to add additional soothing ingredients to balance.
In terms of performance balance, HEL-40 also excels. Its HLB value is between 13-15, with a cloud point exceeding 100°C (1% aqueous solution), combining efficient O\/W emulsifying capability with excellent high-temperature stability. This means it is less likely to precipitate or break during hot processing, and its solubilization ability for fragrances, essential oils, and oil-soluble active ingredients is particularly outstanding, allowing for the easy preparation of transparent and stable aqueous systems. Additionally, it has excellent resistance to acids, alkalis, and hard water (stable within a pH range of 5.0-7.0), broadening its application scenarios in different water quality and formulation environments, avoiding problems such as failure in hard water or acidic conditions that some anionic emulsifiers face.
Another core advantage is its cross-industry multifunctionality. Due to its excellent chemical stability and broad-spectrum compatibility, HEL-40 is not limited to the personal care field but can also be effectively used in textile printing and dyeing (as a leveling agent and antistatic agent), metalworking fluids (combining emulsifying and lubricating functions), industrial cleaning (low-foam, efficient oil removal), and pesticide formulations (excellent dispersion stability). This "one-agent-multi-use" characteristic reduces formulation complexity and inventory management costs for customers, which is difficult to match by many single-function similar emulsifiers or solubilizers.
| Parameter Item | Value\/Characteristic | Advantage Description |
|---|---|---|
| Appearance | Light yellow to yellow transparent liquid or paste | Light color, easy for color matching in formulations |
| HLB Value | 13-15 | Ideal oil-in-water (O\/W) emulsification range |
| Active Content | ≥99.0% | High purity, high effective ingredient, less dosage required |
| Cloud Point (1% Aqueous Solution) | >100°C | Excellent high-temperature stability, suitable for hot processing |
| Surface Tension (0.1% Aqueous Solution) | 30-35 mN\/m | Good wetting and spreading properties, enhancing detergency and spreadability |
| Iodine Value | ≤2.0 | High saturation, excellent antioxidant stability, not prone to rancidity |
| Acid Value | ≤1.0 | Low impurities, high chemical stability |
| pH (1% Aqueous Solution) | 5.0-7.0 | Near neutral, mild to skin and formulations |
| Acute Oral Toxicity (Rats) | LD50 > 5000 mg\/kg | Practically non-toxic, extremely high safety |
| Biodegradability | Complies with OECD standards | Environmentally friendly, aligns with green chemistry trends |
Thanks to the above advantages, HEL-40 is particularly suitable for applications with high demands for safety, stability, and natural origin: