Uv absorbers for plastic uvioresistant UV Absorber 328

• CAS No.: 25973-55-1
• Formula: C22H29N3O
• Appearance: Powder
• Usage: Plastic Auxiliary Agents
• Color: Yellow
• Transport Package: 25kgs Carton
• Specification: 25kgs new carton box with pallet
• Origin: China

Product Description

 

UV Absorber 328
tails

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, 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

Technical Support:
We have professional technical team which support target samples testing from customers around the World.
Counter samples will be provided after evaluation. Meanwhile customization service is available in our factory.
What's more, we can also provide pre-shipment samples for new customers during our first cooperation.





Package:
Packing : 25kgs new carton box with pallet               
Maximum order quantity of 20'FCL : 12.6MT

Shipment:
Whether you have your own freight-forwarder or  you would like us to organize shipment ; whether you
require delivery FOB to a port in China or CIF to a port near you,we are happy to quote and supply whichever
way you choose. Please feel free to discuss all options with us . 
Our delivery time : Within 20days after got T/T or L/C bank copy

Payment:
We support a variety of payment terms like T/T, L/C at sight, DP, C.A.D etc. If customers need forward
payment term like T/T 30 days or L/C 60 days, we will also try to meet their demand based on customers'
reputation and consumption.
 
Certificate:
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTS,etc.

Market:
Our partners all around the world.