UNSPSC 12162008: Prepolymers

A monomer or system of monomers that have been reacted to an intermediate molecular weight state; also known as Polymer Precursors.

UNSPSC 12162008 Prepolymers is a Commodity code covering chemical conditioning agents and emulsion polymers used in municipal wastewater treatment operations, specifically for biosolids dewatering and solids conditioning. State and local environmental and water utilities procure these products to treat solids streams at treatment plants, with suppliers typically delivering in bulk totes on recurring schedules and meeting strict performance specifications tied to dewatering efficiency and solids content targets. The issuing bodies soliciting under this code include state environmental service agencies and municipal wastewater treatment authorities. Small Business Reserve designations may apply to individual procurements.

Maryland Environmental Service (MES) posted a Small Business Reserve RFQ (Solicitation 1262645) on May 14, 2026 for the furnish and delivery of liquid emulsion polymer at the Freedom Wastewater Treatment Plant in Carroll County, Maryland, with bids due June 15, 2026. The requirement spans approximately 32,200 pounds per year over a five-year contract period (one base year plus four optional one-year renewals), with delivery of one tote (approximately 250 gallons) every three weeks, F.O.B. destination, within 72 hours of notice. Award is based on lowest total annual polymer cost across all five years from a responsible bidder whose polymer achieves a minimum total solids content of 19% by weight during mandatory jar testing and full-scale dewatering performance trials. Bidders must demonstrate prior experience supplying solids conditioning polymers to municipal wastewater treatment plants for periods exceeding one year and submit technical data, safety data sheets, active polymer content, bulk density, and environmental product declarations where available. The procurement is limited to certified small business vendors under Maryland State Finance and Procurement Article sections 14-501 through 14-505, with the state encouraging minority business enterprise and Maryland firm participation.