Silk Mesh Screen for Pharmaceutical Powder Sieving
High-precision silk bolting cloth screens for pharmaceutical grade powder separation and quality control. Falls under HTS 5911.20.2000 as silk bolting cloth for technical uses specified in note 8. The ultra-fine silk weave meets GMP standards for contamination-free sieving.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of cotton rather than silk
Cotton bolting cloth uses the preceding subheading in the same 5911.20 structure for natural fibers.
If classified as knotted netting of silk
Silk netting of large mesh size shifts to heading 5608 for made-up nets rather than bolting cloth.
If woven from synthetic filament yarns
Man-made fiber woven fabrics for technical use may classify under chapter 54 if not specifically bolting cloth.
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Import Tips & Compliance
• Include FDA compliance certificates and end-use statements for pharmaceutical applications to expedite clearance
• Label mesh aperture size (e.g
• 100-200 microns) clearly to substantiate bolting cloth classification
• Avoid generic 'mesh' descriptions; specify 'bolting cloth for powder sieving' to prevent misclassification
Related Products under HTS 5911.20.20.00
Silk Bolting Cloth for Flour Sieving
Fine weave silk bolting cloth designed for sifting flour and fine powders in baking and milling operations. Classified under HTS 5911.20.2000 as bolting cloth of silk per note 8 to chapter 59, used for technical separation purposes. The silk mesh ensures precise particle size control without contamination.
Silk Bolting Cloth Roll for Gold Powder Refining
Industrial silk bolting cloth rolls used in precious metal powder refining to separate fine gold particles. HTS 5911.20.2000 covers silk bolting cloth as a technical textile per chapter note 8. Durable silk construction withstands chemical processing environments.
Fine Silk Sieving Cloth for Ceramic Glaze Filtering
Specialty silk bolting cloth for filtering ceramic glazes and clay slurries in pottery production. Classified HTS 5911.20.2000 as silk bolting cloth for technical particle separation per note 8. Fine mesh prevents glaze imperfections while maintaining flow rates.
Silk Bolting Cloth for Spice Grinding Mills
Silk mesh bolting cloth fitted for spice grinding mills to grade particle sizes post-milling. HTS 5911.20.2000 applies to silk bolting cloth as technical sieve material per chapter note 8. Food-safe silk prevents flavor contamination in spice processing.
Silk Test Sieve Cloth for Laboratory Analysis
Precision silk bolting cloth for laboratory test sieves used in particle size analysis. Falls under HTS 5911.20.2000 as technical silk bolting cloth specified in note 8 to chapter 59. Calibrated weave meets ASTM standards for reproducible results.