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Master Bond adhesives

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Nouryon Trigonox 21LS tert-Butyl peroxy-2-ethylhexanoate
Categories: Other Engineering Material
Material Notes: Trigonox 21LS is a peroxide formulation containing a special inhibitor. Used as kicker peroxide in high temperature cure systems, while also allowing for long storage stability of the BMC and SMC pre-preg.

CAS number: 3006-82-4

EINECS/ELINCS No: 221-110-7

Applications: Trigonox 21LS is a perester formulation based on tert-butylperoxy-2-ethylhexanoate, which is used for the curing of unsaturated polyester resin at elevated temperatures. Trigonox 21LS is preferred for the curing of UP resin based Hot Press Moulding formulations (SMC, DMC, BMC, etc) in the temperature range of 120 - 160°C. As Trigonox 21LS is a high reactive peroxide, it is very suitable as a kicker in formulations for pultrusion and SMC/BMC in combination with peroxides like Trigonox C and Trigonox 29-B50. Trigonox 21LS gives in comparison with Trigonox 21 a long shelf life stability of the compound, without affecting the cure speed, even when iron oxides or carbon black are used as pigment.

Information provided by Nouryon
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Physical PropertiesOriginal ValueComments
Density 0.900 g/cc
Viscosity 4.0 cP
Molecular Weight 216.3 g/mol
Storage Temperature <= 20.0 °C
 
Thermal PropertiesOriginal ValueComments
Decomposition Temperature 35.0 °CSelf-Accelerating Decomposition Temperature
 
Processing PropertiesOriginal ValueComments
Shelf Life 3.00 Month
 
Descriptive Properties
AppearanceClear liquid
Assay87.0-90.5 %
Color=3 G
Content (%)7.4Active oxygen content peroxide

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PNOURY1041 / 286564

Rulon Bearings




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