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Rosin Resin Sor Series - Sor 422
Rosin Resin Sor 422 ndeye maleic acid resin, anozivikanwawo seyakadzika maleic acid resin. Icho chakasimba chakasimba chakagadzirirwa nekuita rosin uye maleic acid yakagadziridzwa nekuwedzera rosin kune maleic acid acid ne glycerol kana pentaerythritol.
