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...Rss manufacture introduction since the inception of local raw rubber processing industry over years ago ribbed smoked sheet has been major form produced in sri lanka above practically entire volume this grade is by small and medium scale growers who own below acres between respectively scattered growing districts country mainly due to simplicity low cost machinery easily adaptable technology viability manufacturing process with any amount latex are graded according visual appearance into six different grades no x while grading system not based on technical properties it indicates degree cleanliness adaptation correct practices during even though well established all aspects only a percentage still reach quality face scientific research completing important that we attempt production which achievable article summarizes recommended procedures be followed for high without involving additional collection standardization re straining removal froth addition acid preparation diluted solution ...