LOCATION： Index>Product> Light Stabilizer

Light Stabilizer

PRODUCT NAME：UV-5050

Chemical class:stericallyhinderedamine,oligomeric

CASnumber:152261-33-1

Molecularstructure:

Molecular mass:3,000–4,000g/mol

Physicalform:yellowishpellets

Droppoint:>110°C(230°F)


Density(20 °C[68 °F])                               0.99g/cm³±5%

 

Solubility(20 °C [68 °F], % m/m):

tetrahydrofurane            > 40

toluene                  >40

                                                            water                   <0.01

 

Application                                              UV 5050Hcanbeusedinallpolyolefins.Itisparticularlysuitableforwater-cooledtapeproduction,  films  containing  PPAandTiO2andagriculturalapplications.ItcanalsobeusedinPVC,PAandTPUaswellasinABSandPET.

 

Processing                                      UV 5050 Hissuppliedinpelletform.Inordertoachieveahomogenousdistributionitisnecessarytofollowthistemperatureprograminbatchproduction:

                         


PP

 

PE (HD and LD)

feeding zone

< 50 °C

< 50 °C


< (122 °F)

< (122 °F)

heating zone 1

80 °C

80 °C


(176 °F)

(176 °F)

kneading zone

200–240 °C

180–220 °C


(392–464 °F)

(356–428 °F)

 

This  temperature  program yields  best  homogenization at highthroughput