This technical note organizes supplied source-file information for Silicon-Based Penetrating Water Repellent. It is intended to help an engineering or procurement team frame a request for product-specific documentation; it is not a substitute for project qualification.
How to read a 2024 penetrating water repellent test record
A report-specific interpretation of measured pH, solids, absorption and conditioning observations, including the stated cement-substrate limitation.
Technical context
Source-recorded data
| Item | Source-recorded value | Conditions / scope | Source record |
|---|---|---|---|
| Measured basic properties | pH 4.6; solid content 11%; water-absorption ratio 19% | S-type sample in the supplied laboratory report. The report notes P.O 42.5 cement was used instead of the specified discontinued P.O 32.5 cement. | JC/T 902-2002 (2017) | Penetrating water repellent test report | pp. 2-3 | Report 2024W06363 |
| Reported penetration observation | 0 mm; no watermarks or appearance change after the listed conditioning treatments | S-type sample, using the report's specified standard, heat, low-temperature, ultraviolet, acid and alkali treatment sequence. | JC/T 902-2002 (2017) | Penetrating water repellent test report | p. 3 | Report 2024W06363 |
How to use this information
Keep the grade, temperature or substrate, sample configuration, test method and system build-up aligned with the source record. Material values should not be averaged across grades or converted into a project outcome without the complete evaluation method.
Selection limits
- The report does not make a conformity determination for water absorption ratio or penetration because of the cement-substrate deviation.
- Read together with the report's cement-substrate deviation note; this is not a universal substrate performance guarantee.
Next technical step
For a project-specific review, provide the operating temperature range, substrate or equipment geometry, required thickness, exposure conditions and applicable standard. Cowin Materials can then identify the relevant product documentation and evaluation path.
Data scope: Values above are tied to the cited source file and locator. Confirm complete test conditions and actual service requirements before specification or installation.
Evidence record
- Evidence source
- Internal technical source file: Penetrating water repellent test report
- Source locator
- pp. 2-3; p. 3
- Report number
- 2024W06363
- Publication scope
- Source-recorded technical data with stated conditions and limits; not a project qualification or certificate.
- Published by Cowin Materials
- 2026-09-27T03:15:05.337Z
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