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BLS 1770
Bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate
52829-07-9
BLS 1770 is a low molecular weight hindered amine light stabilizer that provides
excellent light stability for thick sections but can also be used for articles with a high
surface area such as films and tapes. BLS 1770 provides effective ultraviolet light
protection for applications demanding particularly high light stability. It provides
outstanding long-term stability by a radical trapping mechanism similar to that of
hindered phenols. Significant levels of stabilization are achieved at relatively low
concentrations. When compounded, BLS 1770 imparts no negative effects on a
substrate¡¯s initial color, its low dust, free-flowing form makes it exceptionally convenient
to handle.
BLS 1770 is a hindered amine light stabilizer offering excellent protection against
ultraviolet degradation. BLS 1770 areas of application includes polypropylene, impact
modified polypropylene, TPO, EPDM, polystyrene, impact polystyrene, ABS, SAN,
ASA, and polyurethanes. In addition, BLS 1770 can be highly effective in polyacetals
polyamides and polyacetals. BLS 1770 is particularly effective in polypropylene thick
sections, but it can also be used for articles with a high specific surface area such as films
and tapes. BLS 1770 can be synergistically combined with other stabilizers like BLS
1328, and BLS 1710.
Appearance: White powder
Molecular Weight: 481
Melting Range: 80 - 86'C
Specific Gravity (20'): 1.05 g/cm3
Vapor Pressure (20'): ca. 1x 10-10 mm Hg
Percent Volatile: <0.5% Max.
Solubility (10g/100 ml Toluene): Clear
Ash: 0.01% Max.
Assay: 99% Min.
Decomposition Temperature: >220'F
% Transmittance: 425 nm - 95% Min., 500 nm - 97% Min.
Industrial field others
Mayzo, Inc
Phone 770-449-9066
Fax 770-449-9070
Homepage www.mayzo.com
E-mail epietanza@mayzo.com
Address 6577 Peachtree Ind. Blvd., Norcross, GA30092
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