GET A QUOTE
UV Absorber UV 3638

UV Absorber UV 3638

Introduction 

UV 3638 offers very strong and broad UV absorption with no color contribution. Possesses very good stabilization for polyesters(PET) and polycarbonates(PC).  3638 is based on a benzoxaxinone structure which delivers a short-term heat stability up to 350 °C and a long
term heat stability up to 160 °C.

Chemical Name:

2,2′-(1,4-Phenylene)bis[4H-3,1-benzoxazin-4-one]

Synonyms:

Cytec Cyasorb 3638

Products Categories
Light Stabilizers (HALS)
UV Absorbers
Antioxidants
Inhibitor
Other Additives
Solvent Dyes for Plastics
Chemical Intermediate
Get A Free Quote
Contact Form Demo (#3)
Products name UV Absorber UV 3638
Chemical name 2,2’-(1,4-phenylene)bis-4H-3,1-benzoxazin-4-one
CAS NO. 18600-59-4
Structural formula 7UV Absorber UV 3638
Appearance White or almost white crystalline powder
Melting point ≥315℃
Molecular weight 368.34
Application PET Film
Fiber
Containers
PETG
PC-Capstock
PC Molding

Application:   

UV 3638 is ideal for film/sheet/plate applications such as solar cell, window film, etc

Handing and Safety: 

For additional handing and toxicological information.

Package:

25kg/plastic bag, 300/500kg per panel

Related Products

PBQ Benzoquinone
1,4-Benzoquinone (PBQ) | CAS 106-51-4
TBHQ China Supplier
Tert-Butyl Hydroquinone (TBHQ)
Butylated Hydroxytoluene (BHT)
Butylated Hydroxytoluene (BHT)
Antioxidant T501 Supplier
Antioxidant T501
Antioxidant 264 (Feed Grade BHT)
Antioxidant 264
BHT Package
BHT
BHT Package
Feed Grade BHT Antioxidant
BHT Package
BHT Antioxidant
BIBP Supplier
Bis(tert-butylperoxyisopropyl)benzene (BIPB)
Solvent Violet 13

Related News

International Inquiry for UV Absorbers

📩 International Inquiry for UV Absorbers – From Mario Alejandro We recently received an inquiry from Mr. Mario Alejandro, requesting: 1000 kg of UV-327 800 kg of UV-P FOB shipping terms We sincerely appreciate your interest in our UV absorber products and your trust in Ecochem as your polymer additive supplier. However, before preparing the […]

Learn More >>
Modified Plastics with ECOCHEM Polymer Additives

Enhancing the Durability of Modified Plastics with ECOCHEM Polymer Additives Introduction Amended plastics are widely adopted across industries for their enhanced physical and chemical properties. Home appliance components like casings, panels, and packaging are common applications. These plastics are exposed to UV light, oxygen, and heat—leading to yellowing, cracking, and strength loss. To counter these […]

Learn More >>
Plastic Additives on Knitting Industry Applications

Plastic Additives on Knitting Industry Applications Geotextiles Applications Geotextiles are advanced geotechnical engineering materials made from synthetic fibers like PET, PP, and nylon. They are widely used in construction and environmental projects to provide: Reinforcement Filtration Drainage Impermeability Separation Protection Due to their fine fiber structure and constant exposure to outdoor conditions, geotextiles are prone […]

Learn More >>
Light Stabilizers for Plastics

Light Stabilizers for Plastics: Enhancing Durability and Performance Plastics have become integral to modern life, offering versatility and cost-effectiveness across various industries. However, their susceptibility to degradation from environmental factors, particularly ultraviolet (UV) radiation, poses significant challenges. To combat this, light stabilizers are incorporated into plastic formulations to enhance longevity and maintain material integrity.​ Understanding […]

Learn More >>
Scroll to Top

GET A QUOTE

Contact Form Demo (#3)