IS 12163:1987 is the Indian Standard (BIS) for liquid membrane-forming curing compounds for concrete - specification. This standard specifies the requirements for liquid membrane-forming compounds used for curing concrete. It covers two types (white pigmented and clear/translucent) and details performance criteria like water retention efficiency and drying time, along with testing methods.
Specified requirements for liquid membrane-forming compounds used for curing concrete to retain moisture.
Overview
- Status
- Superseded — superseded by IS 12163:1999
- Usage level
- Specialized
- Domain
- Materials Science — Admixtures and Chemical Products for Concrete
- Type
- Specification
Also on InfraLens for IS 12163
Practical Notes
! Ensure the concrete surface is damp but free of standing water before application for best results.
! The application rate specified by the manufacturer is critical for forming an effective membrane; over-dilution or thin application will reduce curing efficiency.
! White pigmented compounds (Type 1) are preferred in hot, sunny conditions as they reflect sunlight and reduce heat gain in the concrete.
Frequently referenced clauses
curing compoundconcreteadmixtureresinwax
International Equivalents
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International Comparison — Coming Soon
We're adding equivalent international standards for this code.
Key Values4
Quick Reference Values
Maximum water loss at 72h0.055 g/cm²
Maximum drying time4 hours
Minimum shelf life6 months
Minimum daylight reflectance (Type 1)60 percent
Tables & Referenced Sections
Key Tables
Table 1 - Requirements for Liquid Membrane-Forming Curing Compounds
Key Clauses
Clause 3 - General Requirements
Clause 4 - Requirements (Water Retention & Drying Time)
Clause 5 - Sampling and Criteria for Conformity
Appendix A - Method for Determination of Water Retention Efficiency of Curing Compound
Frequently Asked Questions3
What is the main performance requirement for a curing compound under this code?+
The water loss from the concrete surface shall not exceed 0.055 g/cm² after 72 hours when tested as per Appendix A (Table 1).
What are the two types of curing compounds specified in IS 12163?+
Type 1 (White Pigmented) and Type 2 (Clear or Translucent, with or without fugitive dye) are specified in Clause 3.1.
What is the maximum permissible drying time for the compound?+
It should set to touch in not more than 4 hours when applied to a moist concrete surface (Clause 4.2).
QA/QC Inspection Templates
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QA/QC templates coming soon for this code.