What materials are sometimes used for the fine mesh in pyramid tea bags?
Answer
PLA (corn starch derived) or nylon.
The construction of pyramid tea bags often involves a fine mesh material designed to maintain structural integrity while allowing optimal infusion. This material is frequently noted to be either nylon or a mesh derived from corn starch, known as PLA (Polylactic Acid). The use of this specialized fine mesh, combined with the necessity of intricate three-dimensional sewing to form the shape, inherently raises the manufacturing unit cost compared to conventional paper tea bags. This higher material and construction cost is a key factor influencing why mass-market brands might reconsider stocking the format.
Related Questions
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