COLORAMA
These are the sales outlets of Knuchel Farben AG throughout Switzerland. Here you can find out more about the range of services and opening hours.
Eclatin
Subsidiary specialized in high quality painting and coating systems for industry, steel and hydraulic engineering as well as in many special fields.
RUBApaint
Knuchel Farben AG's well-known brand for building protection products. Serves as a secondary brand, where an independent appearance should be possible.
15
Wood surface treatment

15.1    Commercial clear lacquers

490 BLENDA®-SIL
wood varnish WV-490
BLENDA®-SIL is a quick-drying, water-dilutable and low-odour wood varnish based on polyurethane acrylic resin – for ecological and contemporary use. This results in excellent non-yellowing, filling and abrasion-resistant wood coatings for interior use. BLENDA®-SIL accentuates the wood by discreetly emphasizing the structure and grain in a natural, bright manner.
Further information
488 BLENDA®-COAT
sealing lacquer WV-488
BLENDA®-COAT is a water-dilutable, transparent and glossy 1-component sealing lacquer with high permanent elasticity. BLENDA®-COAT is suitable for indoor and outdoor use and is characterized by high weather resistance, gloss retention as well as light and yellowing resistance.
Further information
21 SILAMAR
1K-PUR boat varnish LH-21
SILAMAR is a high-gloss, filling and completely fog-free alkyd resin paint for exterior and interior use. It results in hard-wearing, viscoplastic and non-yellowing coatings with excellent processing properties such as flow, open time and coverage. SILAMAR is scratch and stain resistant and shows good resistance to water and household chemicals.
Further information
82 SILASAT
1K-PUR clear varnish LH-82
SILASAT is a silky gloss, filling and completely veil-free synthetic resin wood clear coat for interior use. This results in hard-wearing coatings with excellent processing properties such as flow, open time and yield. SILASAT is scratch and stain resistant and shows good resistance to water and household chemicals.
Further information
69 SILAMAT
1K-PUR clear varnish LH-69
SILAMAT is a silky matt, filling and completely veil-free synthetic resin wood clear coat for interior use. This results in hard-wearing coatings with excellent processing properties such as flow, open time and yield. SILAMAT is scratch and stain resistant and shows good resistance to water and household chemicals.
Further information
83 SILACEL
nitro hard primer
SILACEL nitro hard primer is a transparent, quick-drying and easily sandable wood primer based on nitrocellulose. SILACEL protects the wood from water stains and prevents a subsequent top coat from sinking in.
Further information

15.2    Industrial lacquers colourless

492 BLENDA®-NOVA
PU 2-coat paint WV-700
BLENDA®-NOVA is a fast-drying, water-dilutable and low-odour furniture varnish based on polyurethane acrylate resin – for ecological and contemporary use. BLENDA®-NOVA is used as a primer and top coat and offers rational processing properties such as high filling power and fast sanding. The varnishes provide a subtle sparkle to the wood structure, are extremely durable and are characterised by a high surface resistance to water, alcohol, household chemicals, etc. By using the special cross-linker, BLENDA®-NOVA can be used as a two-component system, whereby an increase in chemical and mechanical resistance as well as a significantly stronger moistening of the wood structure is achieved.
Further information
575 BLENDA®-NOVA
«SPEED» WV-730
BLENDA®-NOVA is a fast-drying, water-dilutable and low-odour furniture varnish based on polyurethane acrylate resin – for ecological and contemporary use. BLENDA®-NOVA is used as a primer and top coat and offers rational processing properties such as high filling power and fast sanding. The varnishes provide a subtle sparkle to the wood structure, are extremely durable and are characterised by a high surface resistance to water, alcohol, household chemicals, etc. By using the special cross-linker, BLENDA®-NOVA can be used as a two-component system, whereby an increase in chemical and mechanical resistance as well as a significantly stronger moistening of the wood structure is achieved.
Further information
505 BLENDA®-NOVA
«SPEED» WV-740
BLENDA®-NOVA is a quick-drying, water-dilutable and low-odor panel coating based on polyurethane acrylate resin – for ecological and contemporary application. BLENDA®-NOVA is used as a primer and top coat and, thanks to its high viscosity, offers rational processing properties such as low run-off tendency, fast sandability and high blocking resistance. The varnishes provide a good grain accentuation of the wood structure. By using the special crosslinker, BLENDA®-NOVA can be used as a two-component system, which results in an increase in chemical and mechanical resistance.
Further information
462 BLENDA®-NOVA
«RAPID» WV-745
BLENDA®-NOVA is a very quick-drying, water-dilutable and low-odor two-coat paint based on polyurethane and acrylate resin – for ecological and contemporary application. BLENDA®-NOVA is used as a primer and top coat and offers rational processing properties such as high filling power and fast sanding. The varnishes provide a good grain accentuation of the wood structure. By using the special crosslinker, BLENDA®-NOVA can be used as a two-component system, which results in an increase in chemical and mechanical resistance.
Further information
501 BLENDA®-NOVA
«RAPID» UV-Protect WV-746
BLENDA®-NOVA is a water-thinnable, low-odor and quick-drying wood varnish based on polyurethane acrylic resin with excellent UV long-term protection. The built-in nanoscale protective filter UV-Protect reduces yellowing of the wood caused by sunlight over the years. BLENDA®-NOVA accentuates the wood by discreetly emphasizing the structure and grain in a natural, bright manner. This results in excellent non-yellowing, filling and abrasion-resistant wood coatings for interior use.
Further information
408 SILANOVA
two-coat paint NP-408
SILANOVA is an extremely fast drying, high filling and block resistant one or two-coat paint based on nitro-polyurethane resin. SILANOVA offers rational processing properties such as high filling power and fast sanding and brings out the natural character of the wood by means of a subtle grain. By adding the DD PUR hardener, SILANOVA can be used as a two-component system. The paintwork is then extremely hard-wearing and is characterised by a very good surface resistance to water, alcohol, household chemicals, etc.
Further information
409 SILANOVA
natural effect lacquer NP-409
SILANOVA is a solvent-containing, quick-drying and dull matt one or two-coat natural clear coat based on nitro-polyurethane resin. SILANOVA produces a scratch-resistant as well as open-pored and brightening natural effect and gives the wood a resistant appearance of raw and unvarnished surface. It is suitable for light-coloured woods, where no scorching is desired and the natural wood colour should be preserved. By adding the DD PUR hardener, SILANOVA can be used as a two-component system. The paintwork is then extremely hard-wearing and is characterised by a very good surface resistance to water, alcohol, household chemicals, etc.
Further information
410 SILADUR
2K-PUR spray paint DD-410
SILADUR is a fast-drying and extremely hard-wearing 2-component polyurethane two-coat paint for highest demands on chemical and mechanical resistance. SILADUR produces filling, non-yellowing and quickly sandable coatings, which are insensitive to water, alcohol and household care products if the coating is thick enough. SILADUR is PVC-resistant and formaldehyde-free. Corresponds to DIN 68861 for stress group 1B.
Further information

15.3    Industrial glazes

232 BLENDA®-SUR
«INDUSTRIAL» WV-232
BLENDA®-SUR is a water-dilutable and low-odour wood stain for interior use or as a permanent weather protection for exterior use. BLENDA®-SUR penetrates deep into the wood, has a water-repellent and moisture-regulating effect (open-pored) and brings out the natural wood structure and grain particularly well. BLENDA®-SUR «INDUSTRIAL» WV-232 is water-repellent, protects against moisture and achieves a very good UV resistance through the use of lightfast, nanoscale iron oxide pigments.
Further information
233 BLENDA®-SUR
«INDUSTRIAL» BLC WV-233
BLENDA®-SUR is a transparent, open-pored and high solids wood stain for finishing and wood preservation for exterior use. Targeted research and development and over 40 years of practical experience make BLENDA®-SUR a top CH product in the conservation of wood. The built-in nanoscale protective filter UV-Protect reduces yellowing of the wood caused by sunlight over the years. BLENDA®-SUR is water-repellent and has a moisture regulating effect.
Further information
246 BLENDA®-SUR
«EXTERIOR» WV-725
BLENDA®-SUR is a water-dilutable and low-odour wood stain for interior use or as a permanent weather protection for exterior use. BLENDA®-SUR penetrates deep into the wood, has a water-repellent and moisture-regulating effect (open-pored) and brings out the natural wood structure and grain particularly well. BLENDA®-SUR «EXTERIOR» WV-725 is water-repellent, protects against moisture and achieves a very good UV resistance through the use of lightfast, nanoscale iron oxide pigments.
Further information
244 BLENDA®-SUR
«EXTERIOR» WV-244
BLENDA®-SUR is a water-dilutable and low-odour wood stain for interior use or as a permanent weather protection for exterior use. BLENDA®-SUR penetrates deep into the wood, has a water-repellent and moisture-regulating effect (open-pored) and brings out the natural wood structure and grain particularly well. BLENDA®-SUR «EXTERIOR» WV-244 is water-repellent, protects against moisture and achieves a very good UV resistance through the use of lightfast, nanoscale iron oxide pigments.
Further information
297 BLENDA®-SUR
«NATURA» WV-729
BLENDA®-SUR is a water-dilutable, low-odour and active substance-free wood care stain for exterior and interior use. BLENDA®-SUR gives a durable and ecological weather protection outdoors and a decorative coating indoors such as bedrooms and children's rooms. BLENDA®-SUR penetrates deep into the wood, has a water-repellent and moisture-regulating effect (open-pored) and brings out the natural wood structure and grain particularly well. By using lightfast, nanoscale iron oxide pigments, the wood is effectively protected against destruction by UV light.
Further information
363 BLENDA®-TEX
acrylic insulating primer WV-780
BLENDA®-TEX is an unsaponifiable, transparent and water-dilutable insulating and barrier primer for problematic substrates. It prevents the formation of stains on subsequent coats and equalises substrates with different levels of absorption. The insulating effect is excellent against wood ingredients (e.g. tannic acid) and residues of soot, tar, fire damage, felt-tip pens, etc. BLENDA®-TEX has a good adhesion and hardening effect, is block resistant and non-yellowing.
Further information

15.4    Covering industrial lacquers

440 SILADUR
2K-PUR spray enamel DD-440
SILADUR is a fast-drying and extremely hard-wearing 2-component polyurethane enamel for highest demands on chemical and mechanical resistance. SILADUR produces filling, non-yellowing and quickly sandable coatings, which are insensitive to water, alcohol and household care products if the coating is thick enough. SILADUR is PVC-resistant and formaldehyde-free.
Further information
450 SILADUR
2K-PUR textured paint DD-450 coarse
SILADUR is a fast-drying and extremely hard-wearing 2-component polyurethane structure paint for the highest demands on chemical and mechanical resistance. SILADUR produces filling and non-yellowing coatings which are insensitive to water, alcohol and household care products if the coating thickness is sufficient. SILADUR is PVC-resistant and formaldehyde-free.
Further information
451 SILADUR
2K-PUR textured paint DD-451 fine
SILADUR is a fast-drying and extremely hard-wearing 2-component polyurethane structure paint for the highest demands on chemical and mechanical resistance. SILADUR produces filling and non-yellowing coatings which are insensitive to water, alcohol and household care products if the coating thickness is sufficient. SILADUR is PVC-resistant and formaldehyde-free.
Further information
452 SILADUR
2K-PUR spray enamel DIAMOND DD-452
SILADUR 2K-PUR spray enamel DIAMOND DD-452 is a chemically curing 2-component wood thick-film varnish based on acrylic polyurethane (DD). It is characterised by a very high surface quality, filling and covering power combined with excellent direct adhesion to a wide range of substrates (wood, metals and plastics). SILADUR produces hard and abrasion-resistant surfaces with good resistance to solvents, petrol, mineral oils, cleaning agents, diluted acids, alkalis, etc. The coatings are characterized by good light fastness, gloss and chalking resistance.
Further information
529 SILAFIL
2K-PUR spray filler DD-529
SILAFIL is a 2-component acrylic-polyurethane spray primer with excellent filling capacity, low shrinkage, good sprayability and flow. This results in fast drying and quickly sandable coatings with an excellent surface hardness. With SILAFIL, up to 250 µm can be applied vertically per spray cycle. Due to higher layer thicknesses, bubbles or cracks can form. SILAFIL is resistant to water, oils, solvents, petrol, etc. and can be painted over with all 2-component systems (epoxy or polyurethane) as well as synthetic resin, acrylic and nitro paints or water-based paints.
Further information
1609 ECLON PUR ACR
2K-micaceous iron
ECLON PUR ACR 2K-micaceous iron is a high solids, highly weather-resistant corrosion protection coating based on polyurethane and acrylic resin. The dry film is highly resistant to moisture, salt, industrial fumes, solvents and many chemicals. Other notable properties of ECLON PUR ACR 2K-micaceous iron are: – Good filling power – No wrinkling – Resistant to water, acids, alkalis, washing lye, etc. – No bubble formation, even with thicker layers – Efficient working thanks to fast drying even at low temperatures (5 °C), thus fast masking and higher productivity.
Further information
1409 ECLON PUR
2K-phosphate primer
ECLON PUR 2K-phosphate primer is a corrosion protection primer with excellent adhesion and mechanical resistance for the entire steel and metal construction sector. Thanks to «wet-on-wet» application in combination with PUR topcoats, the drying time for the entire system is significantly reduced.
Further information
527 BLENDA®-CRYL
«INDUSTRIAL» WV-765 silk matt
BLENDA®-CRYL is a low-pollutant, water-dilutable and low-odor polyurethane acrylic paint. A highly weatherproof and permanently elastic polymer film is formed, which neither cracks nor flakes off if the paint is applied in the right way. BLENDA®-CRYL is breathable, water and chemical resistant, combined with very high light fastness, chalking resistance and color stability. BLENDA®-CRYL shows a very high block resistance after drying in the temperature range of 20–40 °C.
Further information
528 BLENDA®-CRYL
«INDUSTRIAL» WV-766 silk matt (spreadable)
BLENDA®-CRYL is a low-pollutant, water-dilutable and low-odor polyurethane acrylic paint. A highly weatherproof and permanently elastic polymer film is formed, which neither cracks nor flakes off if the paint is applied in the right way. BLENDA®-CRYL is breathable, water and chemical resistant, combined with very high light fastness, chalking resistance and color stability. BLENDA®-CRYL shows a very high block resistance after drying in the temperature range of 20–40 °C.
Further information
285 BLENDA®-CRYL
«INDUSTRIAL» WV-285
BLENDA®-CRYL is a low-pollutant, water-dilutable and low-odor polyurethane acrylic paint. A highly weatherproof and permanently elastic polymer film is formed, which neither cracks nor flakes off if the paint is applied in the right way. BLENDA®-CRYL is breathable, water and chemical resistant, combined with very high light fastness, chalking resistance and color stability. BLENDA®-CRYL shows a very high block resistance after drying in the temperature range of 20–40 °C.
Further information
290 BLENDA®-CRYL
«EXTERIOR» WV-290 silk matt
BLENDA®-CRYL is a low-pollutant, water-dilutable and low-odor polyurethane acrylic paint. A highly weatherproof and permanently elastic polymer film is formed, which neither cracks nor flakes off if the paint is applied in the right way. BLENDA®-CRYL is breathable, water and chemical resistant, combined with very high light fastness, chalking resistance and color stability. BLENDA®-CRYL shows a very high block resistance after drying in the temperature range of 20–40 °C.
Further information
520 BLENDA®-CRYL
«EXTERIOR» WV-760 silk gloss
BLENDA®-CRYL is a low-pollutant, water-dilutable and low-odor polyurethane acrylic paint. A highly weatherproof and permanently elastic polymer film is formed, which neither cracks nor flakes off if the paint is applied in the right way. BLENDA®-CRYL is breathable, water and chemical resistant, combined with very high light fastness, chalking resistance and color stability. BLENDA®-CRYL shows a very high block resistance after drying in the temperature range of 20–40 °C.
Further information
521 BLENDA®-CRYL
«EXTERIOR» WV-761 silk gloss (spreadable)
BLENDA®-CRYL is a low-pollutant, water-dilutable and low-odor polyurethane acrylic paint. A highly weatherproof and permanently elastic polymer film is formed, which neither cracks nor flakes off if the paint is applied in the right way. BLENDA®-CRYL is breathable, water and chemical resistant, combined with very high light fastness, chalking resistance and color stability. BLENDA®-CRYL shows a very high block resistance after drying in the temperature range of 20–40 °C.
Further information
551 BLENDA®-NOVA
«INTERIOR» WV-551 silk matt
BLENDA®-NOVA is a quick-drying, water-dilutable and low-odor spray enamel based on polyurethane acrylic resin – for ecological applications. BLENDA®-NOVA is used as a primer and top coat and offers rational processing properties such as high filling power and fast sanding. The lacquers give a nice surface finish, are very durable and are characterized by a high surface resistance to water, alcohol, household chemicals, etc. By using the special crosslinker, BLENDA®-NOVA can be used as a two-component system, which results in an increase in chemical and mechanical resistance.
Further information
552 BLENDA®-NOVA
«INTERIOR» WV-552 silk gloss
BLENDA®-NOVA is a quick-drying, water-dilutable and low-odor spray enamel based on polyurethane acrylic resin – for ecological applications. BLENDA®-NOVA is used as a primer and top coat and offers rational processing properties such as high filling power and fast sanding. The lacquers give a nice surface finish, are very durable and are characterized by a high surface resistance to water, alcohol, household chemicals, etc. By using the special crosslinker, BLENDA®-NOVA can be used as a two-component system, which results in an increase in chemical and mechanical resistance.
Further information
370 BLENDA®-LIT
«INDUSTRIAL» pigment primer WV-370
BLENDA®-LIT is a fast-drying, low-odour and water-based acrylic white primer. An extremely adhesive, permanently elastic and breathable primer is formed. BLENDA®-LIT is fast and easy to sand and has excellent flow properties as well as filling and covering power.
Further information
463 BLENDA®-TEX
acrylic insulating primer BT-780
BLENDA®-TEX is an unsaponifiable, white pigmented and water-dilutable insulating and barrier primer for problematic substrates. It prevents the formation of stains on subsequent coats and equalises substrates with different levels of absorption. The insulating effect is excellent against wood ingredients (e.g. tannic acid) and residues of soot, tar, fire damage, felt-tip pens, etc. BLENDA®-TEX has a good adhesion and hardening effect, is block resistant and non-yellowing.
Further information
516 BLENDA®-FIL
spray filler primer WV-516
BLENDA®-FIL is a water-dilutable, quick-drying and low-odour adhesion primer and filler for efficient painting work in interior and exterior areas. This results in extremely strong filling and adhesive coating structures with excellent properties such as sandability, opacity, edge coverage and surface hardness.
Further information
691 BRILARIT
edge protection lacquer LH-691
BRILARIT is a high-solids and thixotropic edge protection lacquer for exterior and interior use and provides excellent protection against moisture penetration. BRILARIT is ready to use. Stir well and apply advantageously under 2 coats.
Further information

15.5    Waxes, oils and detergents

499 BLENDA®-WAX
wood wax WV-499
BLENDA®-WAX is a quick-drying, water-dilutable and low-odour wood finishing agent for ecological and contemporary use. The combination of polyurethane acrylic resins and natural waxes creates a resistant surface with a natural matt finish. BLENDA®-WAX accentuates the wood by discreetly emphasizing the structure and grain in a natural, bright manner. This results in excellent non-yellowing, filling and abrasion-resistant wood coatings for interior use.
Further information
683 SILAWAX
beeswax solid
SILAWAX is a beeswax-based wood finishing agent, made from natural waxes and organic solvents. The treated wooden parts are protected from humidity, remain breathable and are well resistant to dirt and easy to clean after polishing. SILAWAX beeswax solid preserves the natural effect of the wood and gives a discreet, lightly tinted and silk-matt finish.
Further information
682 SILAWAX
beeswax balm liquid
SILAWAX is a beeswax-based wood finishing agent, made from natural waxes and organic solvents. The treated wooden parts are protected from humidity, remain breathable and are well resistant to dirt and easy to clean after polishing. SILAWAX beeswax balm liquid preserves the natural effect of the wood and gives a discreet, lightly tinted and silk-matt finish.
Further information
685 SILASAN
furniture hard oil
SILASAN is a hard-wearing, deeply penetrating and hardening natural oil for the universal treatment of wood surfaces indoors. SILASAN results in an open-pored, silk-matt and water-repellent surface and brings out the natural wood colour tone particularly well.
Further information
681 SILASAN
teak Oil
SILASAN teak Oil is an open-pored, water-repellent and moisture-regulating wood care oil for hardwoods indoors and outdoors. SILASAN nourishes and cares for the wood, refreshes dull and faded surfaces and revives the wood grain.
Further information
422 VERTOL
shutter oil
VERTOL is a colourless preservative and refreshing agent based on modified and long oil alkyd resins. VERTOL is used for the renovation of old and dull paint coats. The faded and chalky surfaces regain their original shine and colour and the old paint is once again permanently protected from the effects of the weather.
Further information
621 WENGE
impregnating oil food safe
WENGE is a food-safe, open-pored, water-repellent and moisture-regulating wood care oil for interior woods. WENGE nourishes and cares for the wood, refreshes dull and faded surfaces and revives the wood grain.
Further information
639 SILALIN
linseed oil varnish
SILALIN linseed oil varnish is a colourless and open-pored preservative and refreshing agent for wood. SILALIN is used to nourish and preserve wood, but can also be applied to ferrous metal. SILALIN penetrates deep into the wood and has a very good water repellent and moisture regulating effect.
Further information
491 SILALIN
bee box impregnation
SILALIN is an open-pored and transparent wood impregnating agent based on linseed oil. SILALIN penetrates deep into the wood and has a very good water repellent and moisture regulating effect. SILALIN does not contain any biocidal agents that could harm bees.
Further information
483 SILACEL
shellac solution
SILACEL is a quick-drying spirit/shellac polish. It results in abrasion-resistant wood varnishes for interior use and brings out the natural appearance of the wood through a silky matt, slightly yellowish coloured surface. SILACEL dries quickly, is scratch and stain resistant and shows good resistance to water and household chemicals.
Further information
404 SILAREN
stain removal
SILAREN is an extremely efficient stain remover for painted furniture. It cleans and nourishes the wood surfaces in a single operation and removes greying, stubborn stains (stains, nicotine, etc.) and water stains – especially with nitrocellulose lacquers.
Further information
623 BLENDA-CLEAN
wood detergent
Aqueous cleaning agent for greasy and resinous woods. BLENDA-CLEAN removes resin from the pores and levels spongy areas, thus providing the wood with the optimum conditions for a subsequent staining process.
Further information