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The cut protection is provided by high performance materials such as para-aramid (Twaron, Kevlar), high performance polyethylene (HPPE) (Dyneema, Spectra), special polyvinyl acetate (PVA) yarns (SupraBlock) or steel wire and fiberglass yarns. Knitting machines are commonly classified using gauge, and can range from 7 gauge all the way through ...
Nearly all modern military body armor is designed to prevent penetration from bullets to vital areas of the body, in addition to protection against knives and fragmentation from explosives. Typically this is accomplished through both highly durable woven synthetic fibers such as Kevlar or Dyneema, and either metal or ceramic ballistic plates ...
These experiments visually showed that liquid armor has ballistic properties that are greater than neat fabrics. It was displayed that only four layers of STF-Kevlar offer the same amount of protection that ten layers of standard Kevlar offers. Additionally, it was discovered that STF-Kevlar has little to no increase in thickness and stiffness.
A sheath knife is a fixed-bladed knife that fits into a sheath, by tradition usually of leather, now often of other material such as nylon or kevlar. The sheath is used to protect the knife and act as a carrier. Most importantly, the sheath protects the person carrying the knife (e.g. in the pocket or hanging on the belt) from potentially ...
Weighted-knuckle glove for the left hand, clearly displaying pouches on its back side containing powdered metal covering its knuckles. Weighted-knuckle gloves, also called sap gloves, are a type of handwear-concealed melee weapon used in hand-to-hand combat, consisting of a pair of ordinary-looking impact protection gloves usually made of leather or a synthetic material, with powdered lead or ...
Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.Developed by Stephanie Kwolek at DuPont in 1965, [3] [2] [4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
Civilian applications include Kevlar reinforced clothing for motorcycle riders to protect against abrasion injuries. Kevlar in non-woven long strand form is used inside an outer protective cover to form chaps that loggers use while operating a chainsaw.
A stab vest or stab proof vest is a reinforced piece of body armor, worn under or over other items of clothing, which is designed to resist knife attacks to the chest, back and sides. Stab vests are different from bulletproof vests , which offer protection against firearms but are ineffective against stabbing attacks.