Index lookup · WPU07110224
Producer Price Index for synthetic rubber grades, principally styrene-butadiene rubber (SBR) and ethylene propylene rubber, a WPU commodity index for the raw material rather than finished rubber goods. Index base: June 2003 = 100.
Latest value is 1 month old. Next update expected around Sep 2026.
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Enter a base value, a current value, and a contract amount to see the adjustment.
Strongest average month-over-month move historically: April (+4.6% avg).
Written into tire manufacturing and industrial rubber goods supply contracts, where synthetic rubber is typically the largest input cost after labor. Butadiene and styrene feedstock volatility flows through this index with less lag than through WPU07 (Rubber and Plastic Products), making it the more responsive choice for a contract that wants to track raw material swings closely.
A starting point citing this series by name and code. Replace the bracketed terms with your contract's actual scope before use.
The [affected portion] of the Contract Price shall be adjusted using US PPI — Synthetic Rubber, Including SBR and Ethylene Propylene (BLS series WPU07110224), published by BLS. Base Period: the index value published for August 2026 (or the month of contract signing, if different) is the Base Value. Adjustment: at each Adjustment Date, the Current Value is the most recently published three-month average of the index (the Averaging Window). The Escalation Factor equals Current Value divided by Base Value. Cap: the Escalation Factor applied under this clause shall not exceed 1.10 or fall below 0.90 (a 10% cap and floor) in any single Adjustment Date, regardless of the index's actual movement. [Replace bracketed terms with your contract's actual affected-portion definition and adjustment-date schedule before use. This is a drafting starting point, not legal advice.]
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Compare the current value of BLS series WPU0711 (Synthetic Rubber) to its value at contract signing, turn that into a ratio, and apply the ratio to the synthetic rubber-affected line items. A usable clause also names an averaging window, a publication-lag rule, and a cap.
Read more →Escalake tracks US PPI — Synthetic Rubber, Including SBR and Ethylene Propylene, applies your formula, and gives both sides a number they can confirm, no spreadsheet required.
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