HI Varunik; Corian is in fact a very resilient material. I have been using this for years and have not gotten any adverse feedback. Had done a Baine Marie Counter ( Used to keep cafe food warm) Cladding in white Corian. Here it is exposed to all kinds of curries, spices, oils and pickles. The white Corian has not stained yet. I recently did a detailed Maintainence Manual for all materials used in Corporate Offices, Corian maintence was part of this. Here's the extract if you are interesed to read more...varunik wrote:I have one question.
Corian or Korean Marble are very prone to stains.
Anything in mind to clean those stains?
Easy of Bang wont work..
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DO’S & DON’T’S
• The most important thing to remember when cleaning Corian is to wipe the surface dry after cleaning. If you leave it to air dry, a film can build up on the surface. This film will end up leaving the counter looking dull or blotchy.
• Clean with water, soapy water, or solid-surface cleaners specially designed for Corian surfaces. Never use window cleaners, as they will leave a film that will eventually dull the surface.
• If there are hard water marks, use a cleaner that is formulated for removing hard water such as CLR. Be sure to rinse well and dry the surface completely after cleaning.
• If the surface is dull from residue build-up, use a product from Stone Care International called Deep Cleaner for DuPont Corian. Follow the instructions on the bottle.
• You can disinfect the counter occasionally by using diluted bleach (1 part bleach to 1 part water). Be sure to rinse thoroughly and then wipe dry.
• Corian is heat resistant, but it is NOT safe to place hot pots and pans directly on the surface. Always use protective pads.
• Avoid using harsh chemicals on or around Corian surfaces. If you spill any chemicals on the surface, immediately flush with water and thoroughly dry.
CLEANING CORIAN COUNTER TOPS
Materials Required : Soft cloth or sponge, Bucket or large bowl, Ammonia Based Cleaner, Warm water, Microfiber cloth.
The Cleaning Process:
Corian countertops should be disinfected once a week by wiping off with a solution of one part bleach and one part water. Rinse thoroughly with clean water and wipe completely dry after disinfecting.
1. Add a few drops of ammonia-based cleaners to the bucket or large bowl of warm water, working it until suds form on the sponge or cloth with the soapy water and wipe the stone surface thoroughly.
3. Rinse out the sponge or cloth with plain hot water and wipe away any sudsy residue from the Corian. If there are streaks and a dull finishes, it may be because there is still soap residue on the surface. Rinse the sponge or cloth again with hot water and wring it out thoroughly to remove most of the excess water. Wipe over the surface again to remove any residue. Wipe the surface dry with a microfiber cloth.
Stain Removal Process:
• Pour some mild abrasive liquid cleanser on a damp sponge or cloth and rub over area using small circular motions, from the front to the back, then side to side, overlapping the circles until the entire area has been cleaned.
• Thoroughly rinse the top with clean water and WIPE SURFACE COMPLETELY DRY.
• Check to see if stain is gone. If not, repeat procedure applying more pressure on the sponge or rag.
• Continue over all affected areas until all of the stain is removed.
NOTE: While this procedure may remove or minimize the look of very fine scratches, other deeper scratches may remain. They may be removed by following the procedure below or you may wish to hire a professional refinisher to refinish your countertop. Contact your Corian® Retailer/Civil Interior Vendor to arrange for professional refinishing.
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I ahve no clue to what you mean by Easy of Bang wont work ???
Waiting to see the finished product. 
