ROSKYDAL K 12 P is a binder for highly filled knifing fillers and stoppers for marble and stone. Fillers based on ROSKYDAL K 12 P cure fully whether applied in thin or thick coats. They are used in applications requiring hard adhesives and fillers. Formulation Combinations of talc, dolomite/calcite and powdered barytes with low iron content have proved suitable as extenders, with talc as the main component because it improves the adhesion to the substrate. The more spherical extenders such as dolomite, chalk and barytes ensure dense packing.

ROSKYDAL 500 A is a formulation of clear and pigmented, wax-free coatings for wood and furniture, high-gloss to matt, with good chemical resistance and very good flow properties and scratch resistance. Also in the formulation of spray and curtain-coating fillers for wood, metal and plastic. Coatings based on ROSKYDAL 500 A cure to formhard, scratch-resistant films. The addition of ROSKYDAL 550 (up to 50 %, calculated on the resin supply form) or E 70 (up to 30 %) improves the flexibility and polishability of the films without reducing the scratch resistance. Fillers and putties can be flexibilized with ROSKYDAL E 65 or E 70. The use of ROSKYDAL E 65 is particularly recommended because of its air-drying properties. As is commonwith unsaturated polyester systems, coatings based on ROSKYDAL 500 A are cured with a cobalt/hydroperoxide combination. The cobalt not only splits the peroxide into free radicals but also promotes surface drying. It thus influences two independent but simultaneous reactions. As the breakdown of the hydroperoxide accelerates at higher temperatures, even without the addition of cobalt, it may be necessary to reduce the amount of cobalt added. Otherwise the surface drying will be much quicker than the polymerization of the film, which may result in surface defects. The cobalt/hydroperoxide ratio must be optimized for the formulation, film thickness, application method and drying conditions selected. The standard addition at room temperature is 0.02 - 0.05 % cobalt metal and 1 – 3 %

ROSKYDAL K 14 M is a binder for highly filled knifing fillers, putties for marble and stone and adhesives. Because of the high reactivity of ROSKYDAL K 14 M, fillers based on this product cure fully in a very short time, even when applied in thick coats. They are used in applications requiring hard adhesives and fillers. A particular advantage of ROSKYDAL K 14 M is the pale colour of the polymer formed. This makes it ideal for use in the formulation of stoppers for marble and stone, especially on pale marble and if early sanding and polishing is required. ROSKYDAL K 14 M can be combined with other ROSKYDAL K grades (K 30, K 36, K 45, K 60) to increase their hardness. improves the adhesion to the substrate. The more spherical extenders such as dolomite, chalk and barytes ensure dense packing.

ROSKYDAL 502 BA is a formulation of clear and pigmented, monomer-free coatings for applying thin finishes to wood and furniture. The coatings can be cured by conventional methods or UV radiation and have good resistance to solvents and other chemicals and yellowing in both light and dark conditions. ROSKYDAL 502 BA permits the formulation of monomer-free coatings for applying thin finishes to wood and furniture. The application rate should not exceed 100 g/m2. The coatings can be cured by conventional methods or, after addition of photo-initiators, by UV radiation. The resultant films are hard and resistant to scratching, to solvents and other chemicals and to yellowing in both light and dark conditions. The requirements of, for example, DIN 68 861, Group B, are thus satisfied. The drying of the coatings can be accelerated by the addition of nitrocellulose. Inadequate compatibility with cellulose acetobutyrate results in clouding of the film. Coatings based on ROSKYDAL 502 BA can be applied using conventional methods, e.g. spraying, roller coating or curtain coating. Conventional curing: curing by conventional methods requires the addition of a cobalt accelerator (e.g. cobalt octoate) and peroxide. For curing at room temperature or temperatures up to approx. 60 °C we recommend the use of cyclohexanone peroxide. Tertiary butyl peroctoate should be used at higher curing temperatures because it results in a longer pot life. Even small amounts of styrenewill significantly reduce the pot life of a coating containing cobalt/peroxide.