3. ABOUT SILK
• Silk is a natural protein fibre. The protein fibre of silk is
composed mainly of fibroin and is produced by certain insect
larvae to form cocoons.The protein fibre of silk is composed
mainly of fibroin and is produced by certain insect larvae to
form cocoons.
4. HISTORY OF SILK
• The production of silk originates in China in the Neolithic. Silk
remained confined to China until the half of the 1st millennium
BC. China maintained its virtual monopoly over silk production
for another thousand years. Silk cultivation spread to Japan
around 300 AD, and, by 522 AD.
6. PROPERTIES OF SILK
•low density makes for light and comfortable clothing.
•high resistance to deformation.
•good insulation properties / warm in winter, cool in summer.
•strongest natural fiber available.
•shimmers and shines.
•good affinity to dye.
•leaving aside the rather demanding care, silk is one of the most comfortable
fiber fabrics in the world.
7. SILK ADVANTAGES & DISADVANTAGES
Advantage Disadvantage
Soft Expensive
Drapes well Needs special care, dry cleaning
Dyes and prints well Stains with water
Very strong Yellows with age
Lightweight Weakened by perspiration, sun,
soap
Resists soil, mildew, and moths Attacked by insects, silverfish
Comfortable
Absorbent
9. BANGLADESH SILK
• Rajshahi silk:Rajshahi silk is the name given to the silk
products produced in Rajshahi, Bangladesh. It is famous
because it is a high quality fabric used for clothing, especially
for saris.
10. RAMIE
• Ramie is a flowering plant native to eastern Asia. It has smaller
leaves which are green on the underside, and it appears to be
better suited to tropical conditions.
11. ABOUT RAMIE
• Ramie fiber is known especially for its ability to hold shape,
reduce wrinkling, and introduce a silky lustre to the fabric
appearance. It is not as durable as other fibers, so is usually
used as a blend with other fibers such as cotton or wool.
12. HISTORY OF RAMIE
• Ramie has been grown in China for many centuries, and
farmers in ancient China are known to have used the fiber to
weave clothing. Ramie was used to produce an open-weave
fabric called mechera, used for shirts and dressing gowns
suitable for warm climates.
14. ADVANTAGES AND DISADVANTAGES OF
RAMIE
Advantages Disadvantages
1. Can be bleached. 1. Low in elasticity
2. Resistant to bacteria, mildew and insect
attack.
2. Lacks resiliency.
3. Extremely absorbent. 3. Low abrasion resistance.
4. Dyes fairly easy. 4. Wrinkles easily.
5. Increases in strength when wet. 5. Stiff and brittle.
6. Withstands high water temperatures
during laundering.
7. Smooth lustrous appearance improves
with washing.
8. Keeps its shape and does not shrink.
15. PROPERTIES OF RAMIE FIBER
• Ramie is one of the strongest natural fibers.
• It is better strength when wet.
• It is similar to linen.
• It is not durable as other fibers, and so is usually used as a
blend with other fibers such as cotton or wool.
• It is known especially for its ability to hold shape, reduce
wrinkling, and introduce a silky lustre to the fabric appearance.
16. USES OF RAMIE FAVRIC
• Ramie is used in fabrics resembling linen, such as apparel
fabrics for shirts and shorts, tablecloths, napkins and
handkerchiefs. It is often found as a blend with cotton in knit
sweaters. Ramie is also used in fishnets, canvas, upholstery
fabrics, straw hats and fire hose.