Fibers ID Guide Fall 2009 Forensics Polyester Fibers SEMSEM picture of a bend in a high- surface...
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Fibers ID Guide Fall 2009 Forensics
Fibers ID Guide Fall 2009 Forensics Polyester Fibers SEMSEM picture of a bend in a high- surface area polyester fiber with a seven-lobed cross sectionfiber
Polyester Fibers SEMSEM picture of a bend in a high- surface
area polyester fiber with a seven-lobed cross sectionfiber Strong
Resistant to stretching and shrinking Resistant to most chemicals
Quick drying Crisp and resilient when wet or dry Wrinkle resistant
Mildew resistant Abrasion resistant Retains heat-set pleats and
crease Easily washed
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Woven texture- smooth ends of the fibers are pointed Used in
bed sheets, kitchen linen, towels, shirts, swimwear, etc
Interesting use: combat and police uniforms
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Long Smooth Strong Not fuzzy ends Does not retain stains More
expensive then cotton Interesting Fact: Linen is used for
protective garments of the spacemen and for protection of the
spaceships outside. Under a Microscope: looks like multiple sided
cylindrical filaments with fine pointed edges.
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Wool Uses- clothing, blankets, horse rugs, saddle cloths,
carpeting, felt, wool insulation and upholstery. piano hammers,
absorb odors and noise in heavy machinery and stereo speakers.
Looks - Single strand-frayed, all together-clean cut Wool has high
crimp, allows it to be spun easier
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Wool Frayed ends Fibers spun together to stay together
Interesting Fact: Wool is comparatively stronger than steel
Slide 8
Silk Silk is used to make clothingFiber- silk *The ends of the
fiber are frayed and very loose *Silk is used to make night wear
and lingerie for men and women By: Tyler Donde and Katie Crail
Slide 9
Hemp -Ends are cut and frayed -The fiber weave is spiraled and
turned to rope (usually) -Interesting use: -The core of the stem,
shive, is used for animal bedding
Slide 10
Jute Jute is one of the cheapest natural fibers and is second
to cotton in the amount produced. Jute is often woven into carpets,
chair covers and curtains It is brittle, crease resistant and often
sheds Jute is easily dyed but becomes weak when wet. This fiber is
usually frayed at the ends and can be weaved with other natural and
synthetic fibers.
Slide 11
- Used for body armor and bicycle tires - Strong synthetic
fiber, weave is also tight to protect from breakage -Ends are
straight not frayed - It also can be used for a replacement for
asbestos as brake pads
Slide 12
Its round, smooth, and shiny filament fibers Ends look frayed
The weave is tight and even Used for seatbelts, tire cords,
ballistic cloth Nylon
Slide 13
Burlap -Straight cut/even ends -Loose Weave -A woven cloth made
from jute, hemp, or flax fibers Interesting Fact: Burlap is used to
make sturdy bags that are used in sack races.
Slide 14
Slide 15
The ends of a rayon fiber look frayed and twisted. INTERESTING
USE: medical surgery products
Slide 16
Soft, staple fiber Many fuzzy ends Under microscope looks flat,
spirally ribbon like Interesting Use: Cotton can yearn into candle
wicks