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Accelerators
Accelerators are chemical substances which activate peroxides. Some of Poliya's resins and almost all gelcoats are preaccelerated and already include accelerators. Depending on the processing conditions, users must add accelerator into the gelcoat or resin and then, only after carefully mixing, should add peroxides. Most cobalt or amine based accelerators activate the peroxide at or below room temperature.
Accelerators are chemical substances which activate peroxides.
Cobalt Based Accelerators
Cobalt based accelerators activate peroxides at or above room temperature. Metal content of cobalt based accelerators are generally 1%, 6%, 8% or 10%. Cobalt metal concentrations are also available. Accelerator amounts depend on resin type, temperature and production method. It is recommended to use ratios stated on TDS in applications.
Chemical Structure:
Cobalt octoate / Cobalt 2-ethylhexanoate
Color: Violet
Packaging: 4 kg Mini Canister, 24 kg Canister
Amine Accelerator (Dimethylaniline)
DMA (Dimethylaniline) is the recommended accelerator in benzoyl peroxide (BPO) curing systems. BPO-DMA system offers fast gel and cure times at room temperature. It is not recommended to use DMA in UV resistant applications because of deteriorating yellowing resistance. DMA also offers fast cure especially at lower temperatures in Co-Mek-P systems. It is strongly recommended to test the additive in the laboratory before production.
Chemical Structure: Amine accelerator
Color: Brownish - Yellow
CAS No: 121-69-7
Density: 0,96 gr/cm³
Recommeded ratio: 0,05-0,5%
Packaging: 25 kg Canister
Accelerator 101 eleminates the violet color from standard cobalt accelerators in clear casting applications. It help to obtain clear glass like castings. Polipol 354 and Accelerator 101 are recommended for clear castings.
Chemical Structure: Special
Color: Blue
Concentration: 1%
Packaging: 1.000 ml bottle
| SAMPLE FORMULA FOR CLEAR CASTING | ||
| Weight of objects | Accelerator 101 | MEK-P |
| Up to 50gr | 1,00% | 1,20% |
| 50gr-100gr | 0,80% | 1,00% |
| 100gr-250gr | 0,40% | 0,80% |
| 250gr-1000gr | 0,20% | 0,30% |
Modification Description
- FR Filled flame retardant
- D* Filled (*with filler content)
- T
Thixotropic (no sagging) - A
Cobalt preaccelerated - ABP Amine preaccelerated
- UV UV Curing
- L UV light stabilized
- I
Lower viscosity - V Higher viscosity
- LSE LSE (low styrene emission)
- H*
Gel time customized (at room temperature) * minutes 
H40 Optimized for summer season. Gel time (at room temperature) 40 minutes.
H20 Optimized for winter season. Gel time (at room temperature) 20 minutes.- COLOR White or custom color options
Gelcoat Customizations
Polijel gelcoat table descriptions and modifications.
Spray Application (airless preferred)
Brush or Roller Application
Color Option: White colored
Color Option: Light colored (pastel)
Color Option: PRO colored
Production Quantity Depending on Process (parts/year)
Regardless of product dimension and complexity..
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