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This page, Protective Sealing Compounds (M4.13.0), is offered by
Highway Division
Massachusetts Department of Transportation

Protective Sealing Compounds (M4.13.0)

Products on this list were qualified by MassDOT as of the date posted: September 25, 2026

QCML Criteria for Protective Sealing Compounds

QCML Criteria for Penetrating Colloidal Silica Compounds

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**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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