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This page, Liquid Membrane-Forming (M4.12.4) & Colloidal Silica* Compounds, is offered by
Highway Division
Massachusetts Department of Transportation

Liquid Membrane-Forming (M4.12.4) & Colloidal Silica* Compounds

Products on this list were qualified by MassDOT as of the date posted: September 29, 2025

QCML Criteria for Liquid Membrane-Forming Compounds for Curing

QCML Criteria for Liquid Membrane-Forming Compounds for Curing and Sealing

QCML Criteria for Penetrating Colloidal Silica Compounds

*M4.12.5 Penetrating Colloidal Silica Compounds TO BE PUBLISHED 2026

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*When using Type I Clear it shall contain a fugitive dye

**Penetrating colloidal silica compounds shall meet the criteria of the product’s specifications sheet, technical data sheet (TDS), and safety data sheet (SDS), and meet the requirements specified in Table M4.12.5-1.

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