SPI Supplies

Texwipe® Lint Free Cotton Wipers

Characteristics and specifications


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Performance Characteristics

Property Typical Value Test Method*
Basis weight 180 g/m2TM3: Absorbency and Rate of Absorbency of Wipers
Absorbency
Sorptive capacity
Sorptive rate
250 ml/m2
5 seconds
TM3: Absorbency and Rate of Absorbency of Wipers
TM3: Absorbency and Rate of Absorbency of Wipers
Surface resistivity 5.3 x 1011 ohms
(5.3 x 1012 ohms/sq)		 TM14: The Determination of Surface Resistivity of Fabrics and Other Thin, Flat Materials (Adapted from EOS/ESD-S11.11-1993)

Contamination Characteristics

Property
Particles and fibers		 Typical Value Test Method*
Particles 0.5-5.0 µm
400 x 106 particles/m2** ASTM E 2090-00: Standard Test Method for Size-Differentiated Counting of Particles and Fibers Released from Clean Room Wipers Using Optical and Scanning Electron Microscopy
             5.0-100 µm
 15,000,000 /m2** ASTM E 2090-00: Standard Test Method for Size-Differentiated Counting of Particles and Fibers Released from Clean Room Wipers Using Optical and Scanning Electron Microscopy
      Fibers: >100 µm
 80,000 fibers/m2** ASTM E 2090-00: Standard Test Method for Size-Differentiated Counting of Particles and Fibers Released from Clean Room Wipers Using Optical and Scanning Electron Microscopy
Nonvolatile residue
IPA extractant
DIW extractant
0.35 g/m2
0.20 g/m2		 TM1: Matter Extractable from Wipers and Other Materials
TM1: Matter Extractable from Wipers and Other Materials
Ions
Sodium


Potassium


Chloride
70 ppm


5 ppm


8 ppm
TM12: The Determination of Ions in Wipers and Other Materials by Capillary Ion Analysis (CIA)
TM12: The Determination of Ions in Wipers and Other Materials by Capillary Ion Analysis (CIA)
TM12: The Determination of Ions in Wipers and Other Materials by Capillary Ion Analysis (CIA)

Note: The data in this table represent typical analyses of these wipers at the time of publication. These are not specifications. Texwipe continually refines both its processes and its products.

*Texwipe Test procedures available upon request. ASTM procedure available for purchase at www.astm.org.

**ASTM E 2090 provides a more sensitive test and a more complete measurement of particles and fibers than other standard test methods.

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Tuesday February 09, 2010
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