Powdery Residue on Resin Lawn Chairs?

I have a white powdery residue on my green resin lawn chairs, even though I have cleaned them it still stays powdery. Is there anything I can do for this?

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4TruLady

June 8, 20150 found this helpful

My Husband power-washed ours, and it did help, but they still are rough textured. They don't look wonderful, but at least they're not messing up our clothes when we sit on them, and they are 15 years old.

JUSTICEANGEL

April 25, 20160 found this helpful

GREASE LIGHTNING AND A WET RAG

lady_sharon_

August 18, 20160 found this helpful

tried greased lightning, Afterwards, white film returned in moments.

jumpsnow

July 3, 20170 found this helpful

I tried this on my resin chairs which were badly oxidized. Vinegar didn't do a thing. Neither did baking soda. What worked was a Brillo Pad and Barkeepers Friend with a lot of scrubbing. What was much easier was Clorox Pro Outdoor Bleach. (Sodium hypochlorite and Sodium hydroxide - generic brand $4/gallon). Hose off large dirt first. Wipe it on with a damp sponge. I wore nitryl or vinyl gloves with the cuffs duct-taped to rubber gloves.

By the time I had two chairs wiped down with the viscous solution, the first chair was ready to wipe down with a Scotch Brite Pad (kept damp). Hose off. The solution will ruin clothing - wear old work cloths. Bad spots take 2 treatments. The chairs look almost new, except they are still a bit chalky. I rubbed the residue off with a plastic cleaner such as Armor All.

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