A. Front
channels expenditure of gland is open on the end right at the mouth of larva.
B. Middle usually is pigment who have same shapes with serisin (C15-H23-N5-O8) as adhesive who covering about 25% from fiber weight easily soluble in the warm water.
C. Back
produce the fibroin (C15-H28-N5-O6) as liquid silk who convering about 75% from weight and not soluble in the warm water.
silkyarn from several fiber is reeling into one. Silkyarn can stand until 110 degree celcius. In 130 degree celcius silkyarn begin to burn. Silkyarn have wet 10% until 30% and silkyarn who had drying can spare the gas.
