UNSPSC 11111613: Wollastonite

A calcium inosilicate mineral, usually white in color, used the manufacturing of ceramics, friction products such as brakes and clutches, metalmaking, paint filler, and plastics.

UNSPSC 11111613 Wollastonite (Commodity) does not align with the recent state and local opportunities tagged under this code, which predominantly solicit aggregate materials for roadway construction, erosion control, and utility infrastructure rather than wollastonite mineral products. The opportunities consistently reference rip rap, crushed stone, sand, gravel, granite rubble, decomposed granite, and similar construction aggregates—commodities unrelated to the mining or processing of wollastonite for industrial or specialty applications. State and local governments purchasing under this code are instead buying bulk inert materials for civil works projects: the City of Wichita (Sedgwick County, Kansas) requested sealed bids for rip rap stone in three classifications totaling 3,960 tons for flood control infrastructure (RFB #260112, due July 10, 2026); the City of Huntsville, Texas solicited bids for road maintenance materials including rip rap, crushed stone, and ready-mix concrete (Bid No. 26-27, due June 25, 2026); and the City of Philadelphia requested quotes for recycled concrete for agency use (RFQ, due June 29, 2026, with 10% LBE preference for contracts under $1 million). Issuing bodies span cities, counties, and special-purpose districts across multiple states, with repeat purchasers including county transportation departments (Denton County, Texas; Dane County, Wisconsin; Marion County, Oregon), municipal public works departments (Austin, Philadelphia, Wichita), water and utility authorities (City of Lavonia, Georgia), and state departments of transportation (TxDOT, Mississippi DOT).

Recent opportunities cluster in Texas (Wichita, Huntsville, Dallas County, Denton County), the Upper Midwest (Wisconsin, Colorado), the South (Georgia, Florida, Mississippi), and the Southwest (Arizona, California), with the highest activity in spring 2026. DeKalb County, Georgia issued a three-year multiyear ITB for granite rubble stone (ITB 2026-030-ITB, due June 17, 2026); Boulder County, Colorado solicited fractured rock chips for chip seal applications (BID 261-26, due April 2, 2026, for 3,300 tons); and Dane County, Wisconsin issued separate RFBs for crushed stone and gravel (RFB 2026-RFB-002 and RFB 2026-RFB-008, both due February 23, 2026). Mismatch between the code's nominal scope and actual procurement activity suggests either miscoding in the source data or that the code name does not reflect the commodity categories state and local buyers actually use when tagging aggregate and fill-material purchases. Firms tracking this code should verify whether opportunities are being correctly classified or whether reclassification to aggregate or construction-material codes would better capture relevant procurement pipeline activity.