Light Stabilizers

BASF Chimassorb 81 UV Absorber

Product introduction
CHIMASSORB 81 is a benzophenone-based UV absorber, which can provide good light stabilization performance when used in combination with hindered amine light stabilizers.

Appearance	yellowish powder
molecular weight	326.4 g/mol
Molecular Structure

Typical parameters

Fusion	48~ 49ºC
Flash point	>200ºC DIN 51758
Density (20ºC)	1.16 g/cm³
Vapor Pressure (20ºC)	4.6 E-6 Pa
Bulk density
CHIMASSORB 81	360-440 g/l
Solubility (20ºC)	g/100 g solvent
acetone	43
Chloroform	61
Ethanol	3.5
Ethyl acetate	44
n-hexane	12
methanol	1.7
Dichloromethane	67
Toluene	> 50
water	< 0.01
Temperature (ºC)	%weightlessness
200	0.8
225	2.1
250	6.4
275	19.5
300	54.1

Scope of application:In wood lacquer, PU elastomer, and in industrial paint that does not require high temperature baking.

Packing:：2 bags in a box, 20kg/bag

safety guide
Follow good industrial practice, apply this product carefully, avoid unnecessary human contact and inhalation of dust, maintain good ventilation, and avoid polluting the environment. Avoid dust formation and open flames.