UV Stabilizer UV-328 for Polyethylene, Polyester, Styrene Polymers, Polyamide, PC, PMMA

• Customization: Available
• CAS No.: 25973-55-1
• Formula: C22h29n3o
• Model NO.: UV absorber UV-328
• Color: Yellow
• Kind: UV Absorbers
• Appearance: Powder
• Transport Package: Drum
• Specification: 20kg/drum
• Origin: China
• HS Code: 2914399090
• Production Capacity: 3000mts/Month

Product Description

 

Product Description

UV absorber UV-328

 

Ultraviolet absorber UV-328, full name 2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-5-(2,4-dimethylphenyl)-2H-benzotriazol-4-one, is a kind of organic ultraviolet absorber widely used in all kinds of plastic and rubber products.

 

 

_{Technical index}

Appreance	Yellowish powder or cylindrical granule
Purity	≥99%(HPLC)
Melting Point	79-87 ^oC
Ash	≤0.1%
Loss On Drying	≤0.5%
Transmittance	460 nm≥96% 500 nm≥97%

The recommended dosage

Title of the production	Profile	Fittings	Pipe	Foaming board
Recommended dosage (per 100 parts PVC)	6-8	7-8	2-3	7-8

 

Applications

 

Application 
This product is a high efficient UV absorber, which can effectively absorb 270-340 nm UV light.

The light stability is similar to UV-326 and UV-327, but this product has good dissolubility with the resins. Its heat volatility is low and its durability to washing is very good.

This product is suitable for polyolefin (especially PE), polyester, styrene polymers, polyamide, PMMA, PC, elastomers, etc.

Packaging & Shipping

 

1.Packing:

20KG cartons or drum

2.Storage:
The resin should be stored in a drafty, dry warehouse and away from fire and direct sunlight. It should not be piled up in the open air.

3.Transportation:
During transportation, the product should not be exposed to strong sunlight or rain and should not be transported together with sand, soil, scrap metal, coal or glass. Transportation together with toxic, corrosive and flammable substance is strictly prohibited.

 

During transportation, the product should not be exposed to strong sunlight or rain and should not be transported together with sand, soil, scrap metal, coal or glass. Transportation together with toxic, corrosive and flammable substance is strictly prohibited.

 

About us

Company Profile

XTONG chemical employs veteran chemical engineers who are capable of conducting product evaluations and performance demonstrations both in the laboratory and in actual plant processes. Our team has extensive experience in identifying the right solutions for a variety of applications and is well-suited for any project at hand. We know that every project comes with its own set of unique challenges and we're eager to help develop a solution that meets your needs.With over 15years experience sourcing and distributing chemicals for various industries, coupled with vast experience in direct and online sales XTONG Chemical was formed to provide high quality products with a super fast delivery turn around-covering industrial chemicals,Agricultural chemicals plastics and resin.

Why Buy UV absorber UV-328 from Xtongchem?

1. Unrivaled Quality Straight from the Source: When you buy  UV absorber UV-328, us quality control processes ensure that you receive the high purity product on the market.
2. Wide Product Range: Xtongchem offers a wide range of chemicals, including UV absorber UV-328, to cater to different requirements.
3. Expertise and Experience: With our experience, we have a deep understanding of chemical. Our expert possesses extensive knowledge in the industry and can provide valuable guidance and support. By choosing Xtongchem, you benefit from our expertise, ensuring that you make informed decisions and achieve optimal results.
4. Competitive Pricing: We strives to offer competitive pricing for our chemical products without compromising on quality. We aim to provide cost-effective products, helping you achieve efficient and sustainable results while keeping your expenses in check.
5. Excellent Customer Service: We are committed to providing exceptional customer service. We prioritize customer satisfaction and aim to exceed expectations at every step of the buying process. Whether you have inquiries, require assistance, or need post-purchase support, our friendly and knowledgeable customer service team is ready to help.

By choosing Xtongchem as your supplier of  UV absorber UV-328  you can benefit from our high-quality products, industry expertise, customization