UV Absorber UV-328 Efficient UV Absorber Light for Polyolefin PE

• Customization: Available
• CAS No.: 25973-55-1
• Formula: C22h29n3o
• Model NO.: UV-328
• Environmental Protection: Yes
• Color: Yellow
• Kind: Absorber
• Appearance: Powder
• Delivery: 7-10 Days
• Purity: 99.9
• Application: Plastic
• Melting Point: 79-87
• Transport Package: 20kg/Drum
• Trademark: WSD
• Origin: China
• HS Code: 2914399090
• Production Capacity: 500 Mt a Month

Product Description

UV-328 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.

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

Chemical Name		2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
Formula		C22H29N3O
Structure
CAS NO.		25973-55-1
Molecular Weight		351.5
Specifications	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%
Advantage and 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.
Recommended dosage		PS	PE	Polyester	PVC	PC
		0.2-0.5%	0.2-0.4 %	0.3-0.5%	0.2-0.5 %	0.15-0.3%
Package		20KG cartons or drum

Why choose us

1. Complete and more products to meet customer demand.

WSD Chemical not only produce some PVC additives&PVC chemicals by itself, but also have good work relationship with other Polymer Additives factories, in accordance with product standards and end-user requirements, finally providing one-stop PVC chemicals solution for you.

2. Professional testing group ensure satisfying quality.

WSD Chemical have one professional product development and testing team on PVC chemicals,help its customer ensure that all the products supply from our company meet the technical requirements of applications on PVC industry before shipment.

3. Fast and Flexible shipment.

WSD Chemical have itself big warehouses and many partner factories, which enable us arrange shipment in a fast and flexible way, according to our PVC plastics customer requiry. The delivery time should be 7-10 days.

4. Less investment, more benefit you will get.

Except offering diversified plastic additives , WSD Chemical also provide PVC plastics production formula support for our PVC plastics customers, which will help customer save purchasing cost, time cost, capital cost and risk cost. It is a win-win opportunity and both of us will gain maximum benefits through cooperation.

5. Flexible payment terms.

With an effort to solve customers' payment problems and save payment cost, WSD Chemical have different bank accounts in China, Singapore,and Hongkong, TT, LC, DP, and other different payment methods are available.

6. Technical Service Team.

What's the most important is, WSD Chemical have a professional technical service team to offer you professional advice and service, with quite rich experience in the PVC & rubber industry including PVC pipe, PVC fitting,PVC profile, PVC board, PVC sheet, PVC soles,PVC wire or cable compound and etc's production,PVC raw material selection, mix formula, application, production optimization and other aspects. We are here at your service !