raw natural rubber

基本解释

It can be divided into natural rubber and synthetic rubber according to the source of raw materials.
根據原材料的來源不同，它能分爲天然橡膠和郃成橡膠兩類。
Because the natural high molecular rubber powder, i. e. the starch is adopted as raw materials, the raw materials have wide sources, can replace the expensive import materials, and have low cost.
由於採用了天然高分子膠粉即澱粉爲原料，其原料來源很豐富，可替代昂貴的進口材料，成本低。
ip.com
Basing on ISO/OSI reference model and project of "The development of automation system for raw natural rubber", the paper takes the example of display module and design PROFIBUS-DP intelligent slave.
本文依據ISO／OSI開放互連模型，以“天然生膠生産的縐片、鎚磨控制系統的研發”項目爲依托，以數據顯示單元爲例設計了PROFIBUS-DP的智能從站單元。

The company, which currently gets most of its rubber from a plantation in Liberia, is also exploring other natural materials for producing the raw material for tires, including Russian dandelions and a native Southeast bush called guayule.
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