FAQ

I. Industry-Specific Detailed Application FAQs (8 Core Industries)

1. Food Industry (Core Application Scene)

Q: What specific problems can sucrose fatty acid esters solve when added to baked goods?

A: They can improve the gluten network structure of dough, enhance dough extensibility and gas retention, making the internal texture of bread and cakes more uniform and delicate; prevent oil separation, avoiding oil leakage and greasy taste on the surface of pastries; extend the shelf life of baked goods, and inhibit starch retrogradation that causes hardening and crumbing.

Q: How does the product help with the taste and stability of dairy products when used?

A: In milk, yogurt, and dairy beverages, it can stabilize milk fat to prevent stratification and floating; in cream and cheese, it can enhance emulsification, make the texture smoother, and reduce melting speed; it can also mask the fishy smell of some dairy products and optimize flavor coordination.

Q: What is the role of adding sucrose fatty acid esters to fried foods?

A: It can form a protective film on the food surface, reduce oil absorption (lower oil absorption rate by 5%-15%) to make the product healthier; at the same time, it prevents oil oxidation and rancidity during frying, extends the service life of oil, and does not affect the crispy taste of the food.

2. Cosmetics Industry

Q: Which cosmetic categories are sucrose fatty acid esters mainly used in, and what effects can they exert?

A: Suitable for emulsions, creams, shampoos, body washes, lipsticks and other categories. The core functions are emulsification (stably integrating oil and water phases to avoid stratification), solubilization (dissolving water-insoluble ingredients such as fragrances and essential oils), and moisturizing the skin (reducing the irritation of surfactants and improving product mildness).

Q: Does the cosmetic-grade product meet safety standards and is it friendly to sensitive skin?

A: It complies with EU EC 1223/2009, China's "Safety and Technical Standards for Cosmetics" and other standards. It is non-irritating and non-sensitizing, and easily biodegradable. High-purity monoester products are preferred for products suitable for sensitive skin.

3. Plastic Industry

Q: What role do sucrose fatty acid esters play in plastic processing?

A: Mainly used as plasticizers, lubricants and antistatic agents for plastics such as PE, PP and PVC. They can improve the processing fluidity of plastics, reduce mold wear; lower the surface resistance of plastics to avoid static dust adsorption; and also improve the flexibility and surface gloss of plastic products.

Q: Will the addition affect the temperature resistance and mechanical properties of plastics?

A: Within the reasonable addition range (0.1%-1.0%), it does not affect the temperature resistance range and core mechanical properties such as tensile strength and impact strength of plastics, but instead can improve processing efficiency.

4. Textile Industry

Q: In which link are sucrose fatty acid esters mainly used in the textile industry?

A: Mainly used in textile pretreatment (desizing, scouring) and finishing as emulsifiers, penetrants and softeners. They can help dyes disperse evenly and improve color fastness; make fabrics feel softer and smoother, reduce pilling, and do not affect fabric air permeability.

Q: Is it suitable for different fabric materials (cotton, chemical fiber, blended fabrics)?

A: Suitable for all common fabric materials. For chemical fiber fabrics, it can focus on improving hydrophilicity; for cotton fabrics, it can enhance dye adsorption effect; in blended fabrics, it can coordinate the dyeing consistency of different fibers.

5. Paper Industry

Q: What problems can sucrose fatty acid esters solve in papermaking?

A: Used in pulp as a sizing agent, it can improve the water resistance and surface strength of paper, reducing ink penetration during printing; as a dispersant, it can make pulp fibers distribute evenly, improving the problem of uneven paper thickness; it can also improve the smoothness of paper and optimize printing effect.

Q: Will the addition affect the environmental friendliness of paper?

A: The product is biodegradable, has no residual pollution, meets the environmental standards of the papermaking industry, and does not affect the recycling of paper.

6. Metalworking Industry

Q: What role do sucrose fatty acid esters play in metalworking fluids?

A: As emulsification stabilizers and lubricants, they are used in cutting fluids and grinding fluids. They can improve the stability of oil-water dispersion, avoid stratification of metalworking fluids; reduce the friction coefficient during metal processing, reduce tool wear, and improve the surface finish of workpieces; they can also inhibit bacterial growth in metalworking fluids and extend service life.

7. Pharmaceutical Industry

Q: What are the application scenarios of pharmaceutical-grade sucrose fatty acid esters?

A: Mainly used in pharmaceutical preparations (such as oral emulsions, ointments, suppositories) as emulsifiers, solubilizers and excipients. They can improve the solubility and bioavailability of poorly soluble drugs; in ointments, they can stabilize the oil matrix, making the ointment texture uniform, easy to apply and absorb.

Q: What are the compliance requirements for pharmaceutical-grade products?

A: Complies with Chinese Pharmacopoeia, United States Pharmacopeia (USP), European Pharmacopoeia (EP) standards, with purity ≥99%. Heavy metals, microorganisms and other indicators are strictly controlled, and testing reports required for drug regulatory authority filing are available upon request.

8. Feed Industry

Q: What role can sucrose fatty acid esters play in feed?

A: As feed emulsifiers and nutrient absorption promoters, they are suitable for livestock, poultry and aquatic feed. They can help oils and fat-soluble vitamins in feed disperse evenly, improving the absorption rate of nutrients by animals; reduce the occurrence of intestinal diseases, promote growth, and lower the feed conversion ratio.

Q: What are the requirements for addition amount and usage method?

A: The recommended addition amount is 0.05%-0.2%. It can be directly mixed evenly with feed raw materials, or dissolved in a small amount of oil before addition. It is suitable for various dosage forms such as compound feed and premix.