US PPI — Plastics Material and Resin Manufacturing
Producer Price Index for the plastics material and resin manufacturing industry, a PCU index priced at the plant gate across the whole resin-producing industry rather than one polymer type. Index base: December 1980 = 100.
Latest value
331.873
Index · as of Aug 2026
Year-over-year change
+7.3%
BLS
Month-over-month change
-1.1%
Latest value is 1 month old. Next update expected around Sep 2026.
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Price history
Data & insights
Key figures
From Jan 2024 to Aug 2026 the index went from 314.0 to 331.9, a change of +5.7%.
Highest reading in that period: 360.4 in May 2026. Lowest: 302.5 in Dec 2025.
Largest one-month rise: +9.8% in May 2026. Largest one-month fall: -4.4% in Jul 2026.
For a clause that resets its base every year, a 10% cap or floor would have limited the adjustment in 2 of the last 20 months.
Volatility (12mo)
±3.59%
Std. dev. of month-over-month change
Strongest average month-over-month move historically: May (+3.0% avg).
What this means for your clause
Used in resin supply agreements between petrochemical producers and plastics converters as the industry benchmark. Because it covers the whole resin manufacturing industry rather than one polymer family, a converter buying mostly one resin type such as polyethylene should check PCU3252113252111 (Thermoplastic Resins and Plastics Materials) for a closer match.
Draft a clause
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 — Plastics Material and Resin Manufacturing (BLS series PCU325211325211), 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.]
A plastics or resin PPI escalation clause compares a current-period Producer Price Index value for a named resin series to the value at contract signing (the base period), turns that into a ratio, then applies the ratio to the contract price or affected line items. BLS publishes separate series for thermoplastic resins, thermosetting resins, and finished plastic products, so naming the exact one matters more than usual here.
Escalake tracks US PPI — Plastics Material and Resin Manufacturing, applies your formula, and gives both sides a number they can confirm, no spreadsheet required.
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