Kwiveki ephelileyo, inani leemveliso ze-31 kwizinto eziphambili zeekhemikhali zenyuka, zibalelwa kwi-28.44%;Iimveliso ezingama-31 bezizinzile, zibalelwa kuma-28.44%;Iimveliso ezingama-47 zehlile, zibalelwa kuma-43.12%.Iimveliso ezintathu eziphezulu zokunyuka ziyi-MDI, i-MDI ecocekileyo, kunye ne-butadiene, kunye ne-5.73%, i-5.45%, kunye ne-5.07%;Uku...
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