M Chemical GUARD DOG™ UV770 HALS Light Stabilizer

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M Chemical GUARD DOG™ UV770 HALS Light Stabilizer
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	GUARD DOG™ UV770 unhindered amine light stabilizer is a highly effective radical scavenger that protects polymers against degradation caused by exposure to UV radiation. Applications: Extremely effective in PP, SAN, ASA, SBS, PS, polyurethanes, polyamides and polyacetals and is recommended for thick section and film applications. Combined with other UV Absorber and Antioxidant products, GUARD DOG™ UV770 shows strong synergistic effects. Typical Properties: Product Form - Free flowing white crystalline granules/powder Solubility@ 20°C (g/100ml solvent): Acetone - 19, Water - 0.001, Hexane - 5, Methanol - 38, Ethyl acetate - 24
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Physical Properties	Metric	English	Comments

Specific Gravity	1.05 g/cc @Temperature 20.0 °C	1.05 g/cc @Temperature 68.0 °F
Molecular Weight	480.73 g/mol	480.73 g/mol

Thermal Properties	Metric	English	Comments
Melting Point	80.0 - 86.0 °C	176 - 187 °F
Flash Point	>= 150 °C	>= 302 °F	Ignition

Optical Properties	Metric	English	Comments
UV Transmittance	>= 98 % @Thickness 0.425 mm	>= 98 % @Thickness 0.0167 in	10g/100ml of Toluene
	>= 99 % @Thickness 0.500 mm	>= 99 % @Thickness 0.0197 in	10g/100ml of Toluene

Descriptive Properties
CAS Number	52829-07-9
Molecular Formula	C₂₈H₅₂N₂O₄
Name	Bis (2,2,6,6,-tetramethyl-4-piperidyl) sebaceate
Recommended Dosage	0.15 - 0.60%		depending upon the substrate and performance requirements

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PMCHEM914 / 135153

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