Special whitening agent KF for PVC advertising boards

Special whitening agent KF for PVC advertising boards is a highly efficient optical brightening agent whose Chemical name is 2.2'-(4,4'-diphenylethylene) bisbenzoxazole. It is a dark gray powder with a molecular weight of 414, a Melting point of 359°C ± 2, a maximum absorption wavelength of 374 nm, and a maximum emission wavelength of 434 nm. This whitening agent improves the brightness and whiteness of PVC advertising boards, giving a bright and long-lasting effect. It is particularly suitable for applications requiring durability despite exposure to heat, light and chemicals.

Features:
1. High thermal stability
KF, a special whitening agent for PVC advertising boards, has good thermal stability and is therefore very suitable for high-temperature processing. Even under high heat conditions, it maintains the brightening effect without degradation, ensuring stable quality.

2. Good light fastness
Whitening agents have good lightfastness and prevent PVC advertising boards from yellowing or fading over time. This ensures that the advertising panels maintain brightness and whiteness even when exposed to sunlight for extended periods of time.

3. Wide range of applications
KF, a special whitening agent for PVC advertising boards, can be used alone or mixed with other whitening agents. This versatility allows customized solutions to achieve the desired brightness level while optimizing cost-effectiveness.

4. Resistant to chlorine bleaching
This brightener is resistant to chlorine bleaching, which is commonly used in the processing and maintenance of advertising boards. This feature ensures that the advertising panels retain their brightness after exposure to harsh chemicals.

Product application:
1. PVC advertising board
Special whitening agent KF for PVC advertising boards is used to improve the brightness and whiteness of rigid polyvinyl chloride (PVC) materials. It makes advertising boards more visually appealing, helping them stand out in a variety of indoor and outdoor environments.

2. Polyester fiber and blended fabrics
Suitable for polyester fibers and blended fabrics, this whitening agent improves the whiteness and overall appearance of textiles, making them more attractive in a variety of applications.

3. Plastic products
KF, a special whitening agent for PVC advertising boards, is effective in a variety of plastic products, ensuring that the products maintain high brightness and visual appeal during use.

4. Polyester stock solution
The whitening agent can also be used in polyester stock solution to improve the brightness of polyester materials. These materials are widely used in various industries.

Instructions for use:
In order to achieve the desired results with PVC advertising board whitener KF, it is the recommended to follow the following usage guidelines:

1. Rigid polyvinyl chloride (PVC):
- For whitening: the recommended addition amount is 0.01-0.06% (that is, 10-60 grams per 100 kilograms of material).
- For improving transparency: the recommended addition amount is 0.0001-0.001% (that is, 0.1-1 g per 100 kg of material).

2. Polystyrene (PS):
- For whitening: the recommended addition amount is 0.01-0.05% (that is, 10-50 grams per 100 kilograms of material).
- For transparency: Recommended addition amount is 0.0001-0.001% (0.1-1 g per 100 kg of material).

These guidelines ensure ideal results, resulting in products with high brightness and transparency. The dosage of PVC advertising board whitener KF can be adjusted according to specific needs to ensure that the required brightness level is achieved without affecting the quality of the advertising board.