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"Oxytop has been producing organic peroxides for copolymerization of unsaturated polyester resins since 1992. We do it with passion and great commitment, obtaining high-quality products. Although we know a lot on peroxides, we are developing the culture of continuous improvement. True humility to nature’s laws enables us to create products of high purity. While the products we produce will never be environmentally friendly, we select the components with much attention, to minimize the risk they pose. We surround our plant with greenery to prove that the highly complex chemistry can co-exist with nature.

Through many years of practice we have gained the favor upon customers, as well as good opinions of our products. High quality of products is our principle, which is appreciated by growing number of customers, to whom belong both individual producers and distributors of polyester resins. Great commitment of the laboratory team, in working out new technologies and analysis of products, is confirmed by interest of customers."

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Peroxide initiators containing cyclohexanone peroxide.

Cetox

Peroxide initiators containing methyl ethyl ketone peroxides.

Metox

Peroxide initiators containing acetylacetone

Pentox

Metox 30 is peroxide initiator for copolymerization of unsaturated resins polyester. They are mainly used with cobalt accelerators at temperature surroundings. They are suitable for manual and spray lamination. Due to the lowered water content is recommended for hardening gel coats, polymer concrete, some polyester varnishes and others. These initiators show an extended gelation time compared to Metox-50.

Metox 30

Metox BW85 is a liquid peroxide initiator based on peroxides methyl ethyl ketone in an Ōalan plasticizer. Compared with the standard MEKP, it contains reduced content of hydrogen peroxide and water, and increased content of MEKP dimer.

Metox BW85

Cetox 50S is a peroxide initiator for copolymerization of unsaturated resins polyester. It is mainly used with cobalt accelerators at temperature surroundings. Suitable for manual and spray lamination. In relation to the hardener Cetox-50 shows a shorter gelation time, while compared to the Metox-50 initiator, gives a lower exotherm and a more gradual cure. Can be used also in technologies related to the production of thick laminate layers and for button production.

Cetox 50S

Cetox-50 is a peroxide initiator for the copolymerization of unsaturated polyester resins. It is mainly used with cobalt accelerators at ambient temperature. Suitable for manual and spray lamination. In relation to the hardener Metox-50 it contains a lower amount of active oxygen, shows a longer copolymerization time and also a lower effect exothermic.

Metox 50 is peroxide initiator for copolymerization of unsaturated resins polyester. They are mainly used with cobalt accelerators at temperature surroundings. They are suitable for manual and spray lamination. Due to the lowered water content Metox-50 is recommended for hardening polymer concrete and some concrete polyester varnishes and others.

Metox 50

Metox 50W is peroxide copolymerization initiator for unsaturated polyester resins. They are mainly used with cobalt accelerators to curing at ambient temperature. They are suitable for manual and spray lamination. They can be used, for example, for the production of polymer concrete. Compared to the hardener Metox-50 show a slightly extended gelation time. Due to the reduced water content Metox-50W is recommended for curing gel coats, some polyester varnishes and others.

Metox 50W

Metox VLHP90 is a liquid peroxide initiator based on peroxides methyl ethyl ketone in an Ōalan plasticizer. Compared with the standard MEKP, the initiator contains a reduced content of hydrogen peroxide, water and methyl ethyl ketone. May be used for curing unsaturated polyester resins (UPR), gelcoats, in the presence of cobalt accelerator. Especially recommended for curing gel coats due to very low content of hydrogen peroxide, water and methyl ethyl ketone. This high purity initiator can be used wherever the use of Permix-MC96 is demonstrated too fast gelling. Compared to Metox-BW85, it has a shorter gel and hardening time.

Metox VLHP90

Pentox 40 is peroxide initiator for copolymerization of unsaturated resins polyester. They are mainly used with cobalt accelerators at temperature surroundings. These initiators are particularly suitable in those applications where it is required fast molding with transfer of the core, for example cold forming or in injection molding techniques. Compared to the Metox-50 hardener, they contain a lower amount of active oxygen. However, they show a similar one gel time and a greater exothermic effect, therefore, they are not recommended for use in production too thick layers in one operation, as well as for hardening gel coats.

Pentox 40

Metox BW80 is a liquid peroxide initiator based on peroxides methyl ethyl ketone in an Ōalan plasticizer. Compared with the standard MEKP, it contains reduced content of hydrogen peroxide and water, and increased content of MEKP dimer. It states diluted form of the Metox-BW85 initiator.

Metox BW80

Oxytop

"Oxytop has been producing organic peroxides for copolymerization of unsaturated polyester resins since 1992. We do it with passion and great commitment, obtaining high-quality products. Although we k

Oxytop - Organic Peroxides - High Quality - Knowde

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Cetox-50 Technical Data Sheet (Polish)

Cetox-50 Technical Data Sheet (Polish) - Oxytop

Cetox-50 is a peroxide initiator for the copolymerization of unsaturated polyester resins. It is mainly used with cobalt accelerators at ambient temperature. Suitable for manual and spray lamination. 

Cetox - Oxytop - Curing, Crosslinking & Hardening Agent - Knowde

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	Value	Units	Test Method / Conditions
Active Oxygen Content	4.8 - 5.1	%	—
Density (22°C)	1.075 - 1.080	g / cm³	—
Organic Peroxide Content	23 - 26	%	—
SADT	60	°C	—
Gel Time	33 - 35	min	—
Highest Temperature	104.2 - 107.0	°C	—
Storage Temperature	0 - 25	°C	—
Time to Peak Temperature	49 - 52	min	—
Water Content	approx. 5.1	%	—

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