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Silex-55 is Phenolic Resins based on Cardphenol modified with Styrene. They are clear transparent viscous resins with light golden colour film. They are highly suitable for surface coating applications where outstanding film properties and very high resistance to water and chemicals are required.

Compatibility: Silex-55 is compatible with all Drying oils, Alkyds, Epoxies, Ester gums, Phenolics, Maleics etc. in all proportion and only to a limited extent in chlorinated resins specially chlorinated rubber. It is not compatible with urea resins.

Solubility: Silex-55 is soluble in Mineral Turpentine oil (MTO) in all proportion. It is also soluble in most of the common paints solvent like Xylene, Naphtha’s, Ketones and Ester etc. wherever they are to be used along with other resins of limited solubility in MTO like epoxies and vinyl’s etc.,

Mode of Supply: It is supplied in 200 kg’s packing’s as 80%, and 70% solids. For most of the Paints and Varnishes applications 70% solid is recommended as it has the best film properties.

Recommended Driers: Driers combination such as 1% Lead or 0.4% Zirconium, 0.5% Cobalt and 1.0% Manganese as metal on the solid resin content is recommended. If require the proportion of Manganese can be increased to 0.5% with beneficial effects. After addition of driers ageing for 24 hours is recommended.

Comparative Film Properties: The film properties of Silex-55 at 40% solid in MTO with recommended driers are compared with those of pure Long oil Alkyd (70%) Resin of same solid contents.

Application Technique: Film of Silex-55 can be applied either by brush, spray or flow technique.

Storage: The storage stability is Silex-55 is satisfactory for 6 months or more if stored in air tight containers in a cool place

Caution: In case of reactive pigments such as Zinc Chrome, Zinc oxide, basic lead Sulphates etc. It is advised that they are not ground along with the main pigments in the resin as there is a possibility of reaction. They should be added only in the end allowing slight grinding for proper dispersion.

Applications : Air Drying/Baking Enamels, Insulting Varnishes, Food Can Lacquers, Chemical Resistance Paints, Wood Finishes Bobbin Paints & 100% Resin For Harmmertone Finishes


Code No Description and Appearacne Solid Content Viscocity @ 50% Solids B-4 Cup (Seconds) Hard Dry With Driers (30% Solution) in MTO /in Air (Hrs.) Hard Dry With Driers (30% Solution) in MTO / at 120° Deg C (Mts.) Scratch Hardness Air Dried(Gms.) Resistance To Water & Chemicals Max Acid Value
Silex 55 Styrerenated Cardphenol Formaldehyde Clear Golden Yellow Viscous Liquid Resin 100 (±) 2% 60 to 80 3 15 1100 Excellent 5
80 (±) 2% 80 to 120 2.5 15
70 (±) 2% 120 to 150 2.5 15
50 (±) 2% 150 to 200 2 15


All the above materials should be stored at room temperature and should not be expossed to air. the container should be always kept airtight. the information contained herein