fibroin + sericin
ChemistrySeide is specified as fibroin + sericin. Density band ~1.34 g/cm³.
What holds Seide together is not the nickname. Formula fibroin + sericin, density ~1.34 g/cm³.
Meters are atlas-relative. Grades are the SKUs buyers write.
Phasen
Microstructure
OrderProcessing sets grain, crystallinity or fibre orientation — the reason two lots of Seide can test differently.
Interfaces
SurfacesCoatings, oxide films, sizings or paper faces often decide weather and fire behaviour more than the bulk brochure.
Defects
FlawsInclusions, voids, knots, pinholes or residual stress start the failures that mill certificates do not list.
Grades
VariantsSeide is a family. Grade names below are the ones buyers actually write on RFQs.
Ageing
TimeMoisture, UV, creep, hydrogen or carbonation shift properties in service. Design to the aged state.
Relative Meter
Strength44
Strength is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.
Heat envelope30
Heat envelope is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.
Fire behaviour28
Fire behaviour is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.
Insulation34
Insulation is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.
Workability60
Workability is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.
Circularity50
Circularity is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.
Sorten
Mulberry filament
Bombyx, degummed.Bombyx, degummed.
Tussah
Wild silk, tannin colour.Wild silk, tannin colour.
Eri
Ahimsa / spun silk.Ahimsa / spun silk.
Spun silk
Short fibre from waste.Short fibre from waste.
Weighted silk
Historic metal-salt scandal.Historic metal-salt scandal.
Bindungen
Primary bonding
Seide holds together by covalent chain chemistry.
Secondary forces
Hydrogen bonds, van der Waals stacks or grain-boundary cohesion set toughness and moisture uptake.
Composites & fills
Fillers, fibres, plasticisers or aggregates are part of the real product, not impurities.
Environment film
Oxides, chars, sizings or paints are the layer the world actually meets.
Change the grade, the coating or the moisture and you have a different material with the same English name.
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