ONORM EN ISO 10426-1 : MAY 2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
   4.1 Specification, chemical and physical requirements
   4.2 Sampling frequency, timing of tests and equipment
5 Sampling procedure
6 Fineness tests
   6.1 Procedure
   6.2 Requirements
7 Preparation of slurry for free fluid, compressive
   strength and thickening time tests
   7.1 Apparatus
   7.2 Procedure
8 Free-fluid test (free water)
   8.1 Apparatus
   8.2 Calibration
   8.3 Procedure
   8.4 Calculation of percent free fluid
   8.5 Acceptance requirements
9 Compressive strength tests
   9.1 Apparatus
   9.2 Procedure
   9.3 Test procedure (derived from ASTM C 109)
   9.4 Compressive strength acceptance criteria
10 Thickening-time tests
   10.1 Apparatus
   10.2 Calibration
   10.3 Procedure
   10.4 Thickening time and consistency
   10.5 Specification acceptance requirements
11 Marking
12 Packing
13 Bentonite
Annex A (informative) Calibration procedures for
                      thermocouples, temperature-measuring
                      systems and controllers
Bibliography

Describes requirements and gives recommendations for six classes of well cements, including their chemical and physical requirements and procedures for physical testing.