NORAC
offers the most extensive line of Ketone Peroxide
products available to fabricators and casters of unsaturated polyester and vinyl
ester resins. The Norox liquid peroxides are characterized by extremely
consistent specifications and tightly controlled impurity levels.
| Standard
Ketone Peroxides
|
| Norox®
MEKP-9
|
Liquid, 9% Active Oxygen. Clear
solution of MEKP in dimethyl phthalate. Excellent all-around product for
room temperature cure of polyester resins and gel coats.
|
|
Norox®
MEKP-9H
|
Liquid, 9% Active Oxygen. Clear solution of MEKP in
dimethyl phthalate. Features reduced level of hydrogen peroxide for
critical gel coat applications.
|
Norox®
MEKP-30
|
Liquid, 5.5% Active Oxygen. Clear solution of MEKP in
dimethyl phthalate. Reduced strength version of MEKP-9.
|
Norox®
MEKP-900
|
Liquid,
9% Active Oxygen. Clear solution of MEKP in dimethyl phthalate. Higher
hydrogen peroxide content gives faster gel times in many resins.
|
Norox®
MEKP-925
|
Liquid, 9% Active Oxygen. Clear solution of MEKP in
dimethyl phthalate. Specifically formulated to give improved performance
in most vinyl ester resins. Can also give excellent results in general
purpose resin systems.
|
|
Norox®
MEKP-925H
|
Liquid,
9% Active Oxygen. Clear solution of MEKP in dimethyl phthalate. Formulated
for reduced gas generation in vinyl ester resin based gel coats, barrier
coatings and corrosion resistant construction.
|
|
Specialty
Ketone Peroxides
|
| Norox®
MEC
|
Liquid, 9% Active Oxygen. Clear
liquid mixture of MEKP and cyclohexanone peroxides. Shorter gel to peak
exotherm times. Highly recommended for use with gel coats.
|
| Norox®
AZOX
|
Liquid,
4.4% Active Oxygen. Clear, fire-resistant solution of Acetyl Acetone
Peroxide. Combines moderate gel times with fast green strength
development. Can be used in combination with MEKP for intermediate
properties.
|
Norox®
FS-100/9
|
Liquid 9% Active Oxygen. Clear fire-resistant solution of
MEKP. Excellent product for fast green strength development in cast marble
and onyx applications. Not recommended for gel coats.
|
Norox®
W-60
|
Liquid,
9% Active Oxygen. Clear, fire-resistant solution of MEKP. Specifically
formulated for water-extended polyester.
|
| Norox®
MCP
|
Liquid,
9% Active Oxygen. Pale yellow liquid mixture of MEKP and cumyl
hydroperoxide. For use with polyester and vinyl ester resins when low peak
exotherm is needed with excellent final cure.
|

As a leading producer of benzoyl peroxide products, NORAC has developed many
formulations which are used in the pharmaceutical, auto body filler and polymer
industries. Contact NORAC for more information on your special benzoyl peroxide
needs.
|
Benzoyl
Peroxides
|
|

|
Benox®
A-80
|
Technical grade benzoyl peroxide
containing 20% water, minimum. An easily handled, free-flowing product
with uniform granules. 5.1% Active Oxygen
|
Benox®
A-75
|
Technical
grade benzoyl peroxide containing minimum of 25% water in free-flowing
granular form. 4.8% Active Oxygen.
|
Benox®
A-70
|
Technically pure granular form of benzoyl peroxide
containing 30% water. Also available in a U.S.P. grade. 4.4% Active
Oxygen.
|
Benox®
A-40P
|
Very
pure, finely divided 40% slurry of benzoyl peroxide with only a trace of
wetting agent. Easily added to formulations without additional grinding.
|
|
 |
Benox®
B-55
|
A
fine dispersion of 55% benzoyl peroxide in a white paste form with
plasticizer diluent. 3.6% Active Oxygen.
|
Benox®
B-50
|
Provides
50% benzoyl peroxide in a smooth, non-separating cream dispersion. Also
available in red and blue pigmented versions. 3.3% Active Oxygen.
|
|

|
Benox®
L-40LV
|
Low
viscosity dispersion of 40% benzoyl peroxide. Diluted with a non phthalate
ester plasticizer, this product can be sprayed with minimum of separation
under pressure 2.6% Active Oxygen.
|

| Other
Peroxide Products
|
Norox®
TBPB
|
Liquid, 8.1% Active Oxygen.
Exceptionally high purity tertiary-Butyl Peroxybenzoate. Used for
polymerization of ethylene and styrene and for high temperature molding
of polyester resin systems.
|
Norox® P-20
|
Liquid, 6.4% Active Oxygen. A modified version of Norox
TBPB. Requires no refrigerated temperature protection and can be used in
place of peroxyesters requiring temperature protected shipping and
storage.
|
Norox® CHP
|
Liquid,
8.2% Active Oxygen. An 85% solution of cumyl hydroperoxide. Use as a
polymerization initiator for both vinyl and methacrylate monomers as
well as ambient and elevated temperature cure of unsaturated polyester
and vinyl ester resins.
|
Norox® DCP
|
White
crystalline powder, 5.8% Active Oxygen. A 99% active ingredient form of
dicumyl peroxide used in vulcanization of elastomers and heat assisted
cross-linking of poly-olefins. Also available in 40% active version on
inert, free-flowing carriers.
|
Norox® TBHP
|
Liquid, 12.4% Active Oxygen. Readily soluble, colorless
solution containing 70% tertiary-Butyl Hydroperoxide with water as the
major diluent. Convenient source of free radicals for polymerization of
various monomers where presence of water is not detrimental.
|
Norox®
DTBP
|
Liquid,
10.8% Active Oxygen. An exceptionally high purity form of di-tertiary-Butyl
Peroxide containing a minimum of hydroperoxide impurity. Excellent
source of free radicals in elevated temperature polymerization of
monomers and resins.
|
|