https://www.spglobal.com/energy/en/pricing-benchmarks/our-methodology/subscriber-notes/061317-platts-proposes-revising-ssbr-assessment-specification-petrochemicals
S&P Global Platts is proposing to revise the specification of its solution styrene butadiene rubber weekly assessments effective July 28, 2017.
subscribernoteplattsrevisingssbr