What Is 6A Mulberry Silk? How to Read Grade Claims
“6A” appears frequently in silk marketing, but a grade claim should never replace the rest of the product specification.
What the term is used for
Merchants use grade labels such as 6A to communicate quality claims about raw silk or fiber selection.
Why caution helps
Consumer product pages do not always expose a standardized, independently comparable grading document. Treat the label as merchant-provided information unless the seller gives verifiable supporting evidence.
What matters alongside grade
Fiber content, momme, dimensions, construction, certifications, care and merchant terms all remain important.
Promeed context
Promeed currently describes selected silk products using “6A+” terminology. That is the manufacturer’s description, not an independent Silken Slumber grade.
Buying rule
Use grade language as one data point, not as a reason to ignore the rest of the listing.