Porosity Tester for Textiles
Instrument measuring air permeability and porosity of fabrics using pressure differential for material quality control. Classified under HTS 9027.89.80 as apparatus for checking porosity, a physical property.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If measuring viscosity alongside porosity
Viscosity/porosity combination instruments have targeted subheadings.
If technical textile machinery components
Textile technical use articles excluded from Chapter 90 per note 1(a).
If industrial mechanical handling for porous materials
Spraying/pouring machinery without analysis function in Chapter 84.
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Import Tips & Compliance
• Reference ASTM D737 standard in documentation for classification support
• Specify flow rate measurement range for customs review
• Avoid bundling with fabric samples to prevent composite goods issues
Related Products under HTS 9027.89.80
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Lab Conductivity Meter
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Handheld Soil pH Meter
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Digital Lux Light Meter
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Portable Gas Leak Detector
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