EFKA® PU 4063

Irgafos 168 is a hydrolytically stable phosphite processing stabilizer. As a secondary antioxidant, Irgafos 168 reacts during processing with hydroperoxides formed by autoxidation of polymers preventing process induced degradation and extending the performance of primary antioxidants.

Additional information

Supplier

Additive Classification

Antioxidant

Industry

Automotive & Transportation, Building & Construction, Home Renovation, Marine Vessels, Paints & Coatings

General

Efka® PU 4063 is a polymeric wetting and dispersing agent for the deflocculation of inorganic and organic pigments in high-quality solvent-based pigment pastes. This results in:
 reduced dispersing time
 improved gloss
 prevention of flooding and floating
 higher color strength

Chemical Nature

modified polyurethane

Typical properties(no supply specification)

Solvent butyl acetate / methoxypropyl acetate / solvent naphta
density at 20 °C ~ 0.98 g/cm3
active ingredients ~ 50 %
flash point 24 °C
acid value ~ 13 mg KOH/g
amine value ~ 6 mg KOH/g
color ≤ 6

Applications

Efka® PU 4063 is a dispersing additive for organic and inorganic pigments in high-quality solvent-based pigment pastes.
Efka® PU 4063 reduces the dispersing time and the mill base viscosity and thus facilitates the formulation of highly concentrated pigment pastes. After the pigment paste has been blended into paint, Efka® PU 4063 prevents flooding and floating of pigments and promotes excellent gloss and high color intensity.
Efka® PU 4063 is readily compatible with a wide range of binder types. Pigment pastes based on Efka® PU 4063 can therefore be used in 2-component polyurethane paints, 2 – component epoxy paints, unsaturated polyester, stoving paints and air-drying paints.

Trigonox® 29-C90

Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:6731-36-8
Physical form:Liquid
Molecular Weight:302.5
Chemical name:1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane, 90% solution in isododecane

Trigonox® K-80

Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:80-15-9
Physical form:Liquid
Molecular Weight:152.2
Chemical name:Cumyl hydroperoxide

Trigonox® K-90

Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:80-15-9
Physical form:Liquid
Molecular Weight:152.2
Chemical name:Cumyl hydroperoxide

Trigonox® 25-C75

Brand:Trigonox
Chemical family:Organic peroxide
CAS number:927-07-1
Physical form:Liquid
Molecular Weight:174.2
Concentration:6.89%
Chemical name:tert-Butyl peroxypivalate, 75% solution in isododecane

Butanox LPT-IN

Brand:Butanox®
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide in diisononyl phthalate

ZC-25 Unsaturated Polyester Resin

Brand:Polylite
Appearance:Light yellow transparent viscous liquid
Acid Value:14-20mgKOH/g
Viscosity,25℃:0.14-0.16Pa.s
Solid Content:52-58%
Gel time:25-38min

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