Material Properties
Table M4.12.5-1: Verification Testing Requirements for Material Properties
| Test Method | Quality Characteristic | Min. | Max. |
|---|---|---|---|
| ASTM C1556 | Reduction in Chloride Diffusion (%) [1] | 30 | – |
| AASHTO T 161 (A) | Reduction of Mass Loss (%) [1] | 40 | – |
| ASTM E96 | Reduction in Water Vapor Transmission of Materials (%) [1] | 70 | – |
| EN 12390-8 | Reduction in Depth of Penetration of Water Under Pressure [1] (%) | 70 | – |
[1] Specimens shall be designed in accordance with exterior slab concrete (M4.06.7). The control specimens shall be untreated while the tested specimens shall be applied with the penetrating colloidal silica compound in accordance with the Manufacturer’s technical data sheet (TDS).
Submittal and Testing Requirements
MassDOT Testing Requirements:
The following criteria must be met for Penetrating Colloidal Silica Compounds products, as part of the product submission:
- Must meet the requirements and performance criteria of the product’s technical data sheet (TDS).
- Must meet the requirements in Table M4.12.5-1.
- To submit your product, please follow the link and fill out a form here:
Product Listing, Expiration, and Re-Approval
Once approved, the Penetrating Colloidal Silica Compounds will be listed on the MassDOT QCML. The product shall remain on the approved list unless one of the following occurs:
- If the product’s technology changes.
- If the product formulation or technology changes, the Manufacturer shall notify MassDOT RMS.
- MassDOT RMS determines that the product no longer meets the minimum requirements.
A written request for re-approval must be submitted to the Department at least 60 days prior to the expiration date for the product to remain on the QCML.