Tag: spot

Global Sources is the leading China business-to-business (B2B) wholesale marketplace that connects buyers worldwide with Verified Suppliers from China and Asia. Global Sources is the one-stop online B2B marketplace that serves people on both the sourcing and buying ends of the business with a platform to connect and drive profitable trade.

Natural rubber: ESG policy transparency assessments. Latest update: March 2021. Next scheduled: March 2022. Download data (CSV) View summary. Note: The second SPOTT assessment period for natural rubber was extended from 12 to 16 months, covering the period November 2019-March 2021. SPOTT assesses 15 natural rubber producers and processors

History Of Vulcanization • Vulcanization Of Rubber Was Discovered In 1839 by the U.S. inventor Charles Goodyear. • Thomas Hancock (1786–1865), a scientist and engineer, was the first to patent vulcanization of rubber . • Hancock was awarded a British patent on May 21, 1844. • Three weeks later on June 15, 1844 Goodyear was awarded a

BPA at five contamination levels was added to the soil of the granulometric composition of sandy loam at 0, 0.1, 2, 40 and 800 mg BPA kg⁻¹ of a dry matter (DM) of soil.