classification: Chemical Auxiliary Agent
CAS No.: 1338-23-4, 1338-23-4
Other Names: MEKP
MF: C3h5no)n
Type: unsaturated polyester resin catalyst
Usage: Plastic Auxiliary Agents, unsaturated polyester resin catalyst
Brand Name: United initiators
Model Number: United initiators KP-9
Appearance: Colourless and clear liquid
Active oxygen content: 9.0 - 9.2 %
Free hydrogen peroxide content: 1.6 - 1.8 %
Water Content: 1.5 %
Density at 20°C: 1.12 - 1.15 g/cm3
Viscosity at 20°C: 9 - 15 mPa.s
Flash Point: 405.1°c
SADT: 65°C
Storage temperature: Max 30°C. For maximum shelf life max 25°C
Purity: 100%
Place of Origin: Jiangsu, China
Packaging: plastic barrel
Supply Ability: 100000 Kilogram/Kilograms per Year
Port: Shanghai Port of China
Unsaturated polyester resin catalyst MEKP methyl ethyl ketone peroxide
NOROX KP-9 is a methyl ethyl ketone peroxide in phlegmatiser for the curing of unsaturated polyester resins at ambient temperature in combination with cobalt accelerators.
Active oxygen content: 9.0 - 9.2 % Free hydrogen peroxide content: 1.6 - 1.8 % Water content: 1.5 %
Appearance: Colourless and clear liquid
Density at 20°C: 1.12 - 1.15 g/cm3
Viscosity at 20°C: 9 - 15 mPa.s
Flash point: > 80°C (Method: Seta closed cup)
SADT: 65°C
Soluble in: Oxygenated organic solvents
Insoluble in: Water
Storage temperature: Max 30°C. For maximum shelf life max 25°C
NOROX KP-9 is a general purpose MEKP and is the workhorse of the United Initiators line. NOROX KP-9 gives consistent room temperature performance with both resins and gelcoats. A reliable product of remarkable purity, NOROX KP-9 assures quality in almost every system. Suitable applications are: Hand lay-up, spray-up, RTM, continuous laminating, centrifugal casting, filament winding, polyester
concrete and vacuum infusion. A single MEKP initiator formulation cannot provide optimum results in all resin systems. Evaluation of each MEKP in each resin intended for use is absolutely essential before full-scale manufacturing is attempted.
A reactivity test with an unsaturated polyester resin gave the following results:
|
Resin: |
Orthophthalic polyester |
Temperature: |
25°C |
|
Initiator %: |
1.5 |
Accelerator % |
0,5% (1% cobalt) |
|
Initiator |
Gel time Min |
Time to peak min |
Peak exotherm temp °C |
|
NOROX KP-9 |
25 |
61 |
88 |
|
NOROX KP-100 |
18 |
48 |
106 |
|
NOROX SG-10 |
13 |
44 |
101 |
· The standard package sizes of NOROX KP-9 are 5 kg and 25 kg in polyethylene bottles.
· NOROX KP-9 is available pre-dyed in 25kg bottles. Please see United Initiators TDS for Peroxide Dye Concentrates.
· Classification – Please refer to the specific NOROX KP-9 Safety Data Sheet (SDS) under section 14 & 15, shipping & regulatory information. NOTE: SDS’s for all United Initiators products may be requested by contacting the company.
· NOROX KP-9 is available through a global distributor network. Call United Initiators for the name of the distributor in your area.
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