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Ripstop fabrics are woven
fabric
Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, different fabric types, etc. At first, the word "textiles" only referred to woven fabrics. However, weaving is not the ...
s, often made of
nylon
Nylon is a generic designation for a family of synthetic polymers composed of polyamides ( repeating units linked by amide links).The polyamides may be aliphatic or semi-aromatic.
Nylon is a silk-like thermoplastic, generally made from petro ...
, using a reinforcing technique that makes them more resistant to tearing and ripping. During weaving, stronger (and often thicker) reinforcement yarns are interwoven at regular intervals in a crosshatch pattern. The intervals are typically 5 to 8 millimeters (0.2 to 0.3 in). Thin and lightweight ripstop fabrics have a 2-dimensional structure due to the thicker yarns being interwoven in thinner cloth. Older lightweight ripstop fabrics display the thicker interlocking thread patterns in the material quite prominently, but more modern weaving techniques make the ripstop threads less obvious. A similar effect can be achieved by weaving two or three fine yarns together at smaller intervals.
[Fairchild's Dictionary of Textiles, 7th edition, pg. 474]
Advantages of ripstop are the favourable strength-to-weight ratio and that small tears can not easily spread. Fibers used to make ripstop include cotton, silk,
polyester
Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include natural ...
, and
polypropylene
Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene.
Polypropylene
belongs to the group of polyolefins and ...
, with
nylon
Nylon is a generic designation for a family of synthetic polymers composed of polyamides ( repeating units linked by amide links).The polyamides may be aliphatic or semi-aromatic.
Nylon is a silk-like thermoplastic, generally made from petro ...
content often limited to the crosshatched threads that make it tear-resistant.
Applications
![FN MAG 2](https://upload.wikimedia.org/wikipedia/commons/f/f9/FN_MAG_2.jpg)
Ripstop fabrics are used in
yacht
A yacht is a sailing or power vessel used for pleasure, cruising, or racing. There is no standard definition, though the term generally applies to vessels with a cabin intended for overnight use. To be termed a , as opposed to a , such a pleasu ...
sails and
spinnaker
A spinnaker is a sail designed specifically for sailing off the wind on courses between a reach (wind at 90° to the course) to downwind (course in the same direction as the wind). Spinnakers are constructed of lightweight fabric, usually n ...
s,
hot air balloon
A hot air balloon is a lighter-than-air aircraft consisting of a bag, called an envelope, which contains heated air. Suspended beneath is a gondola or wicker basket (in some long-distance or high-altitude balloons, a capsule), which carries p ...
s,
wingsuits
Wingsuit flying (or wingsuiting) is the sport of skydiving using a webbing-sleeved jumpsuit called a wingsuit to add webbed area to the diver's body and generate increased lift, which allows extended air time by gliding flight rather than just ...
,
kite
A kite is a tethered heavier than air flight, heavier-than-air or lighter-than-air craft with wing surfaces that react against the air to create Lift (force), lift and Drag (physics), drag forces. A kite consists of wings, tethers and anchors. ...
s, free-flight models,
parachute
A parachute is a device used to slow the motion of an object through an atmosphere by creating drag or, in a ram-air parachute, aerodynamic lift. A major application is to support people, for recreation or as a safety device for aviators, who ...
s, and
hovercraft
A hovercraft, also known as an air-cushion vehicle or ACV, is an amphibious Craft (vehicle), craft capable of travelling over land, water, mud, ice, and other surfaces.
Hovercraft use blowers to produce a large volume of air below the hull ...
skirts. High-quality camping equipment such as lightweight tents, sleeping bags, and camping hammocks tend to use ripstop in order to reduce the wear on their fabrics which are in direct contact with the ground or the wind.
Swags, flags, banners, and other applications requiring a strong lightweight fabric use ripstop too. Ripstop reinforcements are incorporated into heavier fabrics requiring extreme durability, such as those used in
Army Combat Uniform
The Army Combat Uniform (ACU) is the current combat uniform worn by the United States Army, U.S. Air Force, and U.S. Space Force. Within U.S. Air Force and U.S. Space Force, it is referred to as the OCP (Operational Camouflage Pattern) Uniform, ...
s,
Nomex
Nomex is a flame-resistant meta-aramid material developed in the early 1960s by DuPont and first marketed in 1967.
Properties
Nomex and related aramid polymers are related to nylon, but have aromatic backbones, and hence are more rigid and mo ...
protective clothing for firefighters and other workwear,
Brazilian jiu-jitsu uniforms, outdoor and sports clothing, backpacks, and luggage bags. Self-adhesive ripstop patches are used to repair both rips and tears in other fabrics.
Ejection seat
In aircraft, an ejection seat or ejector seat is a system designed to rescue the aircraft pilot, pilot or other aircrew, crew of an aircraft (usually military) in an emergency. In most designs, the seat is propelled out of the aircraft by an ex ...
parachutes made with ripstop are woven with an elastic-like fabric so that they stretch to allow more air to pass through at high speed. Then as the ejection seat slows, the weave closes and acts like a conventional parachute. This allows the pilot seat to slow gently, avoiding compression that could result in spinal injury.
Ripstop nylon
''Ripstop nylon'' is a light-weight nylon fabric with interwoven ripstop reinforcement threads in a
crosshatch
Hatching (french: hachure) is an artistic technique used to create tonal or shading effects by drawing (or painting or scribing) closely spaced parallel lines. (It is also used in monochromatic representations of heraldry to indicate what the t ...
pattern. The material comes in many different
colors
Color (American English) or colour (British English) is the visual perceptual property deriving from the spectrum of light interacting with the photoreceptor cells of the eyes. Color categories and physical specifications of color are associa ...
, sizes, and thicknesses. It is woven with coarse, strong warp and filling yarns at intervals so that tears will not spread.
Ripstop nylon may be waterproof, water resistant, fire resistant, or have zero porosity (will not allow air or water through), and comes in light, medium and heavy weights. Textures range from a soft and silk-like material to a crisp or stiff fabric that sounds like a paper bag when moved.
Nylon was developed in
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
as a replacement for silk in the production of
parachutes
A parachute is a device used to slow the motion of an object through an atmosphere by creating drag or, in a ram-air parachute, aerodynamic lift. A major application is to support people, for recreation or as a safety device for aviators, who ...
.
See also
*
Ballistic nylon
Ballistic nylon is a thick, tough, nylon fabric with several uses. Ballistic nylon was developed by the DuPont corporation as a material for flak jackets to be worn by World War II airmen. The term ''ballistic nylon'' originates in the fabric's ...
*
Cordura
Cordura is a collection of synthetic fiber-based fabric technologies used in a wide array of products including luggage, backpacks, trousers, military wear and performance apparel.
Originally developed and registered as a trademark by E.I. d ...
*
Rip-stop doubler
A crack arrestor (otherwise known as a rip-stop doubler) is a structural engineering device. Being typically shaped into ring or strip, and composed of a strong material, it serves to contain stress corrosion cracking or fatigue (material) , fatigu ...
, a ''crack arrestor'' in structural engineering, using the same principle of reinforcement
References
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Woven fabrics