After an initial boom in the 80's that led to the use in many areas such as traffic signs and safety, have been re-evaluated for the ability to make original and brilliant an endless variety of surfaces.
Cromas varnishes are water and solvent-based suitable for all uses, primarily for industry and handicrafts.
Typical characteristic of fluorescent colors is the high duration of the effect used for the interior, fluorescent colors are not suitable for an outdoor use.
Normally the fluorescent varnish is proposed in a opaque finish, this is the version required by the market and the one that produces the best results of coverage and homogeneity on large surfaces.
It's also available a version (layed over with transparents), to create the effect fluorescent glossy or soft to the touch.This version has direct cohesion on many supports such as polyurethane bases, epoxy primers and on common plastics directly: such as ABS and ABS-PC.
For maximum effect, the fluorescent varnish requires a white background.
The colors available are:
The product leads to results of high strength and repeatable. The varnish is suitable for supports and various applications, such as:
motorcycle helmets, bicycles and skis
horizontal or vertical signs for warehouses
electronic instruments and lamps
furniture and wood panels, MDF and HDF
It 's also available a new water and solvent based formulation suitable for decoration on indoor walls.
The product is not suitable for outdoor application.
The colors on screen are indicative only.
In order to permit evaluation of the effect and for small surfaces a test kit of the product is available, for information please do not hesitate to contact us.
The effect can be layed by the use of a primer on:
metal (iron, aluminium, brass etc ...)
plastics (ABS, ABS-PC, etc ...)
version applicable for interior walls
Difference between fluorescent and phosphorescent varnish.
Often these two varnishes are confused by those who have not used them previously because internet information about them are poor of quality and imprecise. We want to explain in simple terms what are these two types of colors:
fluorescent varnishes: varnishes with bright colors, such as those typical of highlighters used in office phosphorescent varnishes: also called photoluminescent, are those that after taking the light, when placed in the dark emit light captured.
Phenomenon of fluorescence: what is physically?
The fluorescence, in the "visible spectrum" to the human eye, is the property of certain substances to reissue the light radiation received, in particular to absorb radiation in the ultraviolet (not visible to the human eye) and emit it in the visible
For this reason, fluorescent colors are so "alive" and appear almost unreal, just because they take their energy from the light we can not see.
With the evolution of the physics knowledge of the light and of the organic chemistry have been created pigments with chromophore groups increasingly evolved and specialized in "take" energy in the ultraviolet and re-emit it in the visible.
For more information about the fluorescence we recommend visiting the following links: Fluorescence - En Wikipedia Fluorescence-phys.educ.ksu.edu Fluorescence - Google books
Difference between fluorescence and phosphorescence
Without going into detail, we can say that fluorescence and phosphorescence are very similar phenomenon that manifest themselves for different times of release due to luminous exicitation.
The distinction between the two processes depends on the release time: in the fluorescence the luminescence ends almost immediately after removing the light source, while in the phosphorescence the light continues to be emitted, at least for a short period, even after removing the exciting source.
Both phenomena start from a molecular excitation with luminous radiation, more effective in the ultraviolet.
For more information about the difference between fluorescence and phosphorescence we reccomend visiting the following links: Molecole - yahooAnswer What is the difference between Fluorescence and phosphorescence
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