User Guide for High Quality Tinuvin 328 CAS 25973-55-1 With Good Price

Table of Contents

• Basic Information and Parameters
• Uses of the Product
• How to Use the Product
• Usage Case Studies
• Contact Information

Basic Information and Parameters

High Quality Tinuvin 328 CAS 25973-55-1 is a high - performance ultraviolet light absorber. Its CAS number, 25973 - 55 - 1, is a unique identifier in the chemical industry. This product is known for its high quality and comes at a very competitive price, which makes it an attractive option for various industrial applications.

Physically, it may appear as a white to off - white powder or crystalline solid. It has certain solubility properties in different solvents, which can be adjusted according to specific application requirements. The purity of this product is maintained at a high level to ensure its effectiveness and reliability in use.

Uses of the Product

Tinuvin 328 is primarily used as a light stabilizer. In the plastics industry, it can be added to plastic products such as polyolefins (e.g., polyethylene and polypropylene), PVC, and styrenic polymers. By absorbing ultraviolet light, it protects the plastic from degradation, including color change, loss of mechanical properties, and cracking. This extends the lifespan of plastic products, making them more suitable for outdoor applications like automotive parts, outdoor furniture, and construction materials.

In the coatings industry, it can be incorporated into paint formulations. It helps to prevent the paint from fading, chalking, and peeling when exposed to sunlight. This is particularly important for coatings on buildings, bridges, and industrial equipment, where long - term durability and aesthetic appearance are crucial.

How to Use the Product

When using High Quality Tinuvin 328 in plastics, it is usually added during the plastic manufacturing process. The recommended dosage varies depending on the type of plastic, the intended application, and the expected exposure conditions. In general, a small percentage (usually between 0.1% - 1%) of the total plastic weight is sufficient. It should be well - mixed with the plastic resin to ensure uniform distribution.

For coatings, it can be added to the paint formulation during the mixing stage. Similar to plastics, the dosage is determined by factors such as the type of coating, the pigment content, and the environmental conditions. The product should be thoroughly dispersed in the coating to achieve the best light - stabilizing effect.

Usage Case Studies

Case 1: Automotive Plastic Parts
A major automotive manufacturer was facing issues with the discoloration and cracking of its exterior plastic parts, such as bumpers and side mirrors, after long - term exposure to sunlight. They decided to use High Quality Tinuvin 328 in their plastic formulations. By adding 0.3% of Tinuvin 328 to the polypropylene resin, they observed a significant improvement. After a 2 - year outdoor exposure test, the plastic parts showed minimal color change and no visible cracking, compared to the control group without Tinuvin 328, which had obvious signs of degradation.

Case 2: Architectural Coatings
A construction company was applying a new paint coating on a large - scale building. They added High Quality Tinuvin 328 to the paint at a dosage of 0.5%. After one year of exposure to various weather conditions, including intense sunlight, rain, and high humidity, the paint on the building still maintained its original color and gloss. In contrast, an unprotected area on the same building, where no Tinuvin 328 was added, showed significant fading and peeling.

Contact Information

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