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GP® CK-2420 Resin

Modifier for alkyd and epoxy air dry coatings. It is designed to improve water resistance, hardness, gloss and adhesion. It is also used to accelerate heat-bodying rate on linseed and dehydrated castor oils.

Compatible with a variety of solvents, GP CK-2420 resin features a low viscosity.


Alkyds, Coatings, Protective coatings, Protective coatings: Marine and maintenance

Product Composition

Novolac Resin


Solid, flake

Typical Properties
Softening Point, °F (°C)
248 - 282 (120 - 139)
Gardener (50:50 in xylene)
6 maximum



Storage and Handling

GP CK-2420 novolac resins are non heat-reactive and should be stored in a dry location at temperatures at or below 25°C (77°F). Storage in sunlight should be avoided. Resin storage life under the recommended conditions is two years, possibly longer dependent on your product’s formulation using GP CK-2420 resin. This product should be stored and used in areas with good ventilation.

The proper personal protective equipment should be worn whenever GP CK-2420 resin is used or handled. For safety and health information, please refer to the Safety Data Sheet for GP CK-2420 resin available from Georgia-Pacific Chemicals.

The information and technical data herein is believed to be accurate. It is offered for your consideration, investigation and verification. Buyer assumes all risk of use, storage and handling of the product. NO WARRANTY, EXPRESS OR IMPLIED, IS MADE INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WHICH ARE SPECIFICALLY EXCLUDED. Nothing contained herein shall be construed as a license to operate under or recommendation to infringe any patents.

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