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ASTM G127 - 15
Standard Guide for the Selection of Cleaning Agents for Oxygen-Enriched Systems
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Significance and Use
3.1 The purpose of this guide is to provide information that may be considered when selecting and qualifying a cleaning agent for oxygen-enriched systems.
3.2 Insufficient cleanliness can result in the ignition of contaminants or components by a variety of mechanisms. Therefore, an acceptable level of contamination for each condition of use in oxygen-enriched service should be defined. The acceptable level of contamination may depend on various factors, such as:
3.2.1 The nature and type of the contaminants,
3.2.2 The location and degree of contamination,
3.2.3 The type of substrate material,
3.2.4 The configuration and end use of the equipment or part to be cleaned, and
3.2.5 The operating parameters of the oxygen-enriched system (pressure, temperature, phase, concentration, fluid velocity, etc.).
1. Scope
1.1 The purpose of this guide is to establish a procedure to select cleaning agents, both solvents and water-based detergents, for oxygen-enriched systems. This includes laboratory-scale tests for cleaning effectiveness, materials compatibility, and oxygen compatibility.
1.2 The effectiveness of a particular cleaning agent depends upon the method by which it is used, the nature and type of the contaminants, and the characteristics of the article being cleaned, such as size, shape, and material. Final evaluation of the cleaning agent should include testing of actual products and production processes.
1.3 Different cleaning agents may be required for different cleaning activities, such as aqueous ultrasonic cleaning, spray cleaning, hand wiping, and flushing of oxygen lines in field applications.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D471 Test Method for Rubber Property--Effect of Liquids
D543 Practices for Evaluating the Resistance of Plastics to Chemical Reagents
D1193 Specification for Reagent Water
D1460 Test Method for Rubber Property--Change in Length During Liquid Immersion
D2512 Test Method for Compatibility of Materials with Liquid Oxygen (Impact Sensitivity Threshold and Pass-Fail Techniques)
D2863 Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)
D4809 Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter (Precision Method)
F483 Practice for Total Immersion Corrosion Test for Aircraft Maintenance Chemicals
G5 Reference Test Method for Making Potentiodynamic Anodic Polarization Measurements
G31 Guide for Laboratory Immersion Corrosion Testing of Metals
G59 Test Method for Conducting Potentiodynamic Polarization Resistance Measurements
G63 Guide for Evaluating Nonmetallic Materials for Oxygen Service
G72 Test Method for Autogenous Ignition Temperature of Liquids and Solids in a High-Pressure Oxygen-Enriched Environment
G74 Test Method for Ignition Sensitivity of Nonmetallic Materials and Components by Gaseous Fluid Impact
G86 Test Method for Determining Ignition Sensitivity of Materials to Mechanical Impact in Ambient Liquid Oxygen and Pressurized Liquid and Gaseous Oxygen Environments
G93 Practice for Cleaning Methods and Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched Environments
G94 Guide for Evaluating Metals for Oxygen Service
G121 Practice for Preparation of Contaminated Test Coupons for the Evaluation of Cleaning Agents
G122 Test Method for Evaluating the Effectiveness of Cleaning Agents
CGA Document
CGA Pamphlet G-4.1ICS Code
ICS Number Code 71.100.40 (Surface active agents)
UNSPSC Code
UNSPSC Code 47132100(Cleaning kits); 12141904(Oxygen O)
Referencing This Standard
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DOI: 10.1520/G0127-15
Citation Format
ASTM G127-15, Standard Guide for the Selection of Cleaning Agents for Oxygen-Enriched Systems, ASTM International, West Conshohocken, PA, 2015, www.astm.org
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