ASTM E1560 Nonvolatile Residue Testing for Cleanroom Wipers
ASTM E1560 aims to gain solvent from the extractable nonvolatile residue (NVR) from wipers used in the assembly, cleaning, or testing of spacecraft. Alternative solvents may also be used but they could result in different values therefore they must be identified in the procedure datasheet. Its values are stated in SI units.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
Overview
ASTM E1560 provides a test method for determining the amount of nonvolatile residue (NVR) in cleanroom wipers by gravimetric analysis. NVR represents contaminants that remain after solvent evaporation and can affect sensitive environments.
This standard is widely used in cleanroom applications to ensure that wipers do not introduce contaminants into controlled environments such as semiconductor, pharmaceutical, and precision manufacturing facilities.
Scope, Applications, and Benefits
Scope
ASTM E1560 focuses on measuring the nonvolatile residue extracted from cleanroom wipers using a suitable solvent. It ensures cleanliness and compatibility with critical environments.
The test evaluates:
- Amount of nonvolatile residue
- Cleanliness level of wipers
- Contamination potential
- Suitability for cleanroom use
- Material consistency
Applications
- Semiconductor manufacturing
- Pharmaceutical production
- Cleanroom maintenance
- Electronics and precision industries
- Quality control of cleanroom supplies
Benefits
- Ensures low contamination levels
- Improves product quality
- Supports cleanroom standards compliance
- Enhances process reliability
- Enables comparison of wiper materials
Test Process
Sample Preparation
Wiper sample is cut and prepared.
1Solvent Extraction
Sample is immersed in solvent to extract residues.
2Evaporation
Solvent is evaporated to leave residue.
3Data Recording & Evaluation
Residue is weighed and calculated.
4Technical Specifications
| Parameter | Details |
|---|---|
| Applicable Materials | Cleanroom wipers |
| Solvent Used | Typically isopropanol or deionized water |
| Test Temperature | Controlled evaporation conditions |
| Measurement Unit | mg or mg/cm² |
| Measured Outputs | Nonvolatile residue (NVR) |
Instrumentation Used for Testing
- Analytical balance
- Evaporation dishes
- Drying oven or hot plate
- Solvent containers
- Cleanroom environment setup
- Data acquisition system
Results and Deliverables
- Nonvolatile residue values
- Cleanliness evaluation
- Contamination assessment
- Test condition summary
- ASTM compliance report
Frequently Asked Questions
ASTM E1560 is a standard test method used to determine nonvolatile residue from cleanroom wipers using gravimetric analysis, evaluating contamination levels that may affect sensitive manufacturing environments.
ASTM E1560 is important because it ensures wipers do not leave residues that could contaminate products, maintaining strict cleanliness standards in industries like pharmaceuticals, electronics, and semiconductor manufacturing.
ASTM E1560 involves extracting residues from wipers using a solvent, evaporating the solvent, and weighing the remaining residue to quantify contamination levels accurately.
ASTM E1560 requires analytical balances, extraction vessels, solvents, evaporation equipment, and controlled environments to ensure precise and repeatable residue measurements.
Results are reported as nonvolatile residue per wiper or per area, indicating cleanliness level and suitability of materials for use in controlled cleanroom environments.
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