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PPG-Poly (propylene glycol)
Letoto la PPG le qhibiliha ka har'a metsoako ea lintho tse phelang e kang toluene, ethanol le trichloroethylene. Le na le mefuta e mengata ea lits'ebetso indastering, meriana, lik'hemik'hale tsa letsatsi le letsatsi le masimong a mang.
