Grading of rss is done based on the grade descriptions and specifications defined in the the green book of international rubber quality and packing conferences as rss 1x rss1 rss2 rss3 rss4 and rss5 over 70 of the production of natural rubber is processed as ribbed smoked sheet.
Rubber smoked sheet.
These coagulated sheets are dried and smoked into heavy oven which is processed and then made in the form of sheets that is used for a range of different applications.
3 smoked sheet rss3 singapore commodity exchange 1st contract us dollars per kilogram price in us cents per kilogram.
Natural rubber latex is traditionally converted into sheet form through careful coagulation and subsequent milling process on two roll mills.
Ribbed smoked sheets or air dried sheets are commonly known as rss.
Thursday october 1 2020.
Among them ribbed smoked sheet rss has been the major form of raw rubber produced in sri lanka above 40.
It is usually packed in large bales of 111 11kg bale or 19 metric tons per 20 foot fcl.
Ribbed smoked is commonly used in different application made directly from pure latex which processed and further coagulate.
The different grades are determined by the percentage of particles in the rubber sheet.