Special whitening agent for PP bags KSN-2 (Whitening King)

KSN-2, a special whitening agent for PP woven bags, is a high-performance optical brightening agent specially used to improve the appearance of polypropylene (PP) woven bags. Known for its good whitening and brightening effects, this product is an indispensable ingredient in a variety of plastic and synthetic resin applications. Let’s take a closer look at its features and applications.

Physical and chemical properties:
- Molecular formula: C29H20N2O2 C29H20N2O2
- Molecular weight: 428
- Appearance: light yellow-green crystal powder
- Melting point: 278°C
- Solubility: insoluble in water; easily soluble in organic solvents
- Fluorescence: blue-violet light
- Toxicity: non-toxic and odorless

Product application:
1. Plastic and polyester applications:
- PP woven bags: KSN-2, a special whitening agent for PP woven bags, is specially formulated for polypropylene woven bags. Its high efficiency ensures that woven bags achieve a bright and consistent white appearance, thereby enhancing their visual appeal and marketability.
- Films and Molding: This brightener is also suitable for films and injection molded products, providing good whitening and stability under a variety of processing conditions.

2. Synthetic resin:
- Resin whitening: KSN-2, a special whitening agent for PP woven bags, can be used in the production of synthetic resins, including polyester and other resins. It improves the whiteness and brightness of resins used in a variety of industrial applications.

3. Coatings, paints and inks:
- Improves brightness: This product is very effective in coatings, paints and inks, helping to increase brightness and vividness. This application is especially beneficial for improving the visual quality of the finished product.

Instructions for use and recommended dosage:
1. Applicable methods:
- Dry method: KSN-2, a special whitening agent for PP woven bags, is particularly effective when used in dry method. Simply mix the brightener thoroughly with the plastic substrate or resin, then melt process and extrude.
- Wet processing and masterbatch: It can also be used in wet processing and masterbatch formulations, providing application versatility.

2. Recommended dosage:
- General Plastics: For standard plastic substrates, the recommended dosage is 0.002% to 0.03% by weight. This corresponds to 10-30 g of brightener KSN-2 per 100 kg of plastic material.
- Transparent plastics: In applications requiring transparency, the dosage should be between 0.0005% and 0.002%, i.e. 0.5-2 grams per 100 kg of plastic.
- Polyester resins: For polyester resins including polyester fibers, the recommended dosage is 0.01% to 0.02%, or 10-20 grams per 100 kg of resin.

Product packaging and storage:
KSN-2, a special whitening agent for PP woven bags, is packed in 20 kg cardboard drums lined with plastic bags. The product should be stored at room temperature and has a Shelf life of at least 24 months to ensure long-term use and stability.

Advantages and features:
- Good whitening and brightening effect: KSN-2, a special whitening agent for PP woven bags, has good whitening and brightening effects even at low concentrations, so it is efficient and cost-effective.
- Light and thermal stability: The whitener is known for its reliable light and thermal stability, ensuring whiteness and brightness are maintained throughout the product's life cycle.
- Versatility: KSN-2, a special whitening agent for PP woven bags, is compatible with various materials and processing methods, and can be flexibly used in plastics, resins, coatings, inks and other fields.