Frequently asked questions

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Frequently asked questions

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  • Which system is best for enclosed sea water without oxygen exchange?
  • Can STEEL IT be applied to plastic?
  • Why can STEEL IT not be colored?
  • When cleaning steel surfaces coated with STEEL IT with a rag soaked in ethyl alcohol, paint traces remain on the rag. Why?
  • Is the polyurethane system resilient against salt solutions?
  • Is STEEL IT resilient against complete immersion in a solution of water and 5 % caustic soda at a temperature of 40 °C?
  • Is STEEL IT 1002 on a polyurethane basis resilient against complete immersion in 90 % demineralised water?
  • Can a component of a kit (A+B) from one package be mixed with a component of a kit from another package and used?
  • If the polyurethane system comes into contact with oils or grease, is it possible to apply only the 1002 top layer without using any primer?
  • Is it possible to use STEEL IT on metal surfaces that were previously treated with plastic metals (also called molecular metals or epoxy filler)?
Which system is best for enclosed sea water without oxygen exchange?

Both epoxy systems 4210/4907 and 4220/4908 are suitable. The surface should be prepared carefully by sand blasting and the application of a primer layer and at least two top layers, allowing an interval of 24 hours between the application of the primer and top layers.

Allow the surfaces to polymerize for 14 days before use.

Can STEEL IT be applied to plastic?

There are many types of plastic, each of which reacts differently to contact with the solvents of STEEL IT; therefore, a general answer is not possible. The customer must in each case test the degree to which the solvents present in STEEL IT paints are suitable for the type of plastic. The surfaces must usually be well cleaned of oils, grease and forming material or rubbed smooth with sandpaper. It is recommended that a system with a low VOC value should be used if possible; in addition, primer may not be required in all cases.

Why can STEEL IT not be colored?

STEEL IT cannot be colored because of its matrix structure of resin and stainless steel micro lamellae. If pigment were added, it would adhere between the micro lamellae, thus reducing the connection strength.

When cleaning steel surfaces coated with STEEL IT with a rag soaked in ethyl alcohol, paint traces remain on the rag. Why?

This is due to the special type of resin mix; however, it does not influence the protective characteristics of the paint. This effect disappears after a few cleaning processes of this type; the epoxy system becomes less sensitive.

Is the polyurethane system resilient against salt solutions?

Type 1002 has been resilient for more than 2.000 hours in a 5% salt solution. It is recommended that you apply a layer of primer and two covering layers of paint.

Is STEEL IT resilient against complete immersion in a solution of water and 5 % caustic soda at a temperature of 40 °C?

Yes, if the surface has been sand-blasted and an epoxy system is used.

Is STEEL IT 1002 on a polyurethane basis resilient against complete immersion in 90 % demineralised water?

Yes. It is recommended that you apply 3 covering layers of 1002 and do not use any primer.

Can a component of a kit (A+B) from one package be mixed with a component of a kit from another package and used?

This should not happen; however, if absolutely necessary, one component of one package can be mixed with the corresponding component of the other package; in such cases, it should be ensured that the production dates of the two components are less than six months apart.

If the polyurethane system comes into contact with oils or grease, is it possible to apply only the 1002 top layer without using any primer?

Unless special lubricant types, such as Skydrol® are used, primer may be dispensed with; however, at least 3 layers of 1002 should be applied in this case.

Is it possible to use STEEL IT on metal surfaces that were previously treated with plastic metals (also called molecular metals or epoxy filler)?

Yes. It is recommended that the instructions of the manufacturer of the plastic metal regarding varnish be observed.


Address

IHT GmbH
STEEL IT Europe
Fasanenweg 2
D-64380 Rossdorf


Contact details

+49 (0) 6071 74416

+49 (0) 6071 951535

iht.gmbh@t-online.de

www.iht-steel-it-europe.com

STEEL-IT Europe



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