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Castropox E7UV Gelcoat Transparent Epoxy resistant to UV

Castropox E7UV / Castrodur 331 Clear UV Resistant Epoxy Gelcoat

REE7UV-1.3
9 Items
€47.00
€56.87 Tax incl. €47.00 Tax excl.
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The Gelcoat Castropox E7UV is formulated with an epoxy resin thixotropic laminate based on an epoxy aliphatic with a high degree of UV resistance. High dimensional stability at elevated temperatures, good mechanical properties and non-harmful in contact with skin.

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The Gelcoat Castropox E7UV is formulated with an epoxy resin thixotropic laminate based on an epoxy aliphatic with a high degree of resistance to ultraviolet radiation (UV).

The Gelcoat Castropox E7UV has a lower tendency to crystallize at low temperatures. Its viscosity enables good handling during its application.

The curing system presents a great hardness, dimensional stability over various temperature ranges and also excellent chemical resistance.

Gelcoat Castropox E7UV must be applied on surfaces that have been previously treated with a mold release agent. To achieve a good adhesion of the epoxy resin lamination on this gelcoat must be laminar over just before the gelcoat is cured completely. That is to say, when we can leave it selected on our own fingerprint, but without us sticking the finger or get wet.

In order to increase the thermal resistance of the parts composite above the age of 65,orC it is recommended that a postcurado in the oven.

The product shall be subjected to a curing process during approximately 6 hours at 60 oC, or, in the case that there is a maximum requirement of thermal resistance, for a further 3 hours at 90 oC and, subsequently, a further 6 hours at 110 oC ~120 oC. During this process the temperature will increase GRADUALLY (to a maximum of 10oC per hour) until you reach the recommended maximum. The cooling process will follow these same steps (gradually as well). During the manufacture of pieces of composite made of carbon fiber, there is a tension to the contrary during the cooling process.

ATTENTION: A rise too fast-the temperature may produce deformations in the part. On the other hand, if the cooling process is too fast can cause the appearance of cracks. This is a general rule for all composite products manufactured with epoxy resins.

Only compatible with the release paste wax OSKAR'S M700 / C

Hardener Castrodur 331

Mixing ratio 100:30

Processability (gel time) of about 15-20 minutes.

With this hardener, the resin base of this gelcoat can be used, in some occasions, even as or topcoat in the product composite. The quality of the resulting surface will be good even without a potscurado heat (always and when using this hardener).

Main Characteristics

Gelcoat Castropox E7UV Component To

 

Density

1,14 – 1,18

g/cm3 at 25oC

Viscosity

900 – 1200

mPas at 25 oC

Equivalent epoxy

170 – 180

g/kg

Value epoxy

0,46 – 0,47

-

Color

Max. 3

Gardner

 

Thermal resistance

Component E7UV

Hardener Castrodur 331

To 25 , orC (7 days)

60 orC

To 60 oC (12 hours)

70 orC

90 orC (10 hours)

90 orC

110~150 oC (>4 hours)

-

 

- High dimensional stability at elevated temperatures

- Good mechanical properties

- Non-harmful in contact with skin

 

Supply type

Castropox E7UV / Castrodur 331 Gelcoat Epoxy tough Clear UV x 1.3 kg

Castropox E7UV / Castrodur 331 Gelcoat Epoxy tough Clear UV x 6.5 kg

Castropox E7UV / Castrodur 331 Gelcoat Epoxy tough Clear UV x 39 kg

9 Items
8431252534821

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