Food Grade Preservative Silica Sol

Product features:

This product complies with FDA 21 CFR and GB 4806 national food safety standards, ensuring it is free of toxic and harmful substances and leaves no residual contaminants after use. Its moderate particle size forms a uniform breathable film that adjusts the oxygen and carbon dioxide transmission rate, extending the fresh-keeping period of fruits, vegetables, and meat products. It is biodegradable, meeting the sustainable development requirements of the food industry, and has no adverse impact on the taste and nutritional content of food.

Product specifications:

The product has a solid content of 20±0.5wt%, with a viscosity range of 1.5-2.0mPa·s, suitable for spraying or dipping food surface preservation. The silica particle size is controlled between 60-80nm, ensuring uniform film formation without affecting food appearance. The pH value is neutral at 6.0-7.0, avoiding damage to food tissue during preservation. It can be packaged in 1000L food-grade storage tanks for large-scale food processing enterprises or 25kg food-grade plastic drums for small-batch users. The shelf life is 12 months when stored at 0-25℃ away from light.

Product application:

This food-grade preservative silica sol is primarily used for fresh-keeping treatment of fruits, vegetables, meat, and baked goods. It is widely applied in agricultural product processing, fresh food e-commerce logistics, food packaging manufacturing, and catering services. Target industries include fruit and vegetable planting and processing, meat product processing, bakery food production, and fresh food retail, helping to reduce food waste and improve product quality during storage and transportation.