NIJ standard 0101.06 Personal body armor covered by this standard is classified into five types (IIA, II, IIIA, III, IV) by the level of ballistic performance. In addition, a special test class is defined to allow armor to be validated against threats that may not be covered by the five standard classes. The classification of an armor panel that provides two or more levels of NIJ ballistic protection at different locations on the ballistic panel shall be that of the minimum ballistic protection provided at any location on the panel. NIJ BODY ARMOR CLASSIFICATION NIJ 0101.06 type IIA (9 mm; .40 S&W) armor that is new and unworn shall be tested with 9 mm Full Metal Jacketed Round Nose (FMJ RN) bullets with a specified mass of 8.0 g (124 gr) and a velocity of 373 m/s ± 9.1 m/s (1225 ft/s ± 30 ft/s) and with .40 S&W Full Metal Jacketed (FMJ) bullets with a specified mass of 11.7 g (180 gr) and a velocity of 352 m/s ± 9.1 m/s (1155 ft/s ± 30 ft/s). NIJ 0101.06 type II (9 mm; .357 Magnum) armor that is new and unworn shall be tested with 9 mm FMJ RN bullets with a specified mass of 8.0 g (124 gr) and a velocity of 398 m/s ± 9.1 m/s (1305 ft/s ± 30 ft/s) and with .357 Magnum Jacketed Soft Point (JSP) bullets with a specified mass of 10.2 g (158 gr) and a velocity of 436 m/s ± 9.1 m/s (1430 ft/s ± 30 ft/s). NIJ 0101.06 type IIIA (.357 SIG; .44 Magnum) armor that is new and unworn shall be tested with .357 SIG FMJ Flat Nose (FN) bullets with a specified mass of 8.1 g (125 gr) and a velocity of 448 m/s ± 9.1 m/s (1470ft/s ±

NIJ Standard 0101.07 Ballistic Resistance of Body Armor DRAFT FOR PUBLIC COMMENT by National Institute of Justice in January 2018 The Next Revision of the NIJ Performance Standard for Ballistic Resistance of Body Armor in October 2018 Ballistic Protect Levels of NIJ 0101.07 NIJ HG Threat Level Test Threat Ammunition Reference Velocity Compare to NIJ 0101.06 NIJ 0101.07 HG1 9mm Luger full metal jacketed (FMJ) round nose (RN) 124 grain 1305 ft/s (398 m/s) Formerly NIJ 0101.06 Level II .357 Mag jacketed soft point (JSP) 158 grain 1430 ft/s (436 m/s) Formerly NIJ 0101.06 Level II NIJ 0101.07 HG2 9mm Luger FMJ RN 124 grain 1470 ft/s (448 m/s) Formerly NIJ 0101.06 Level IIIA .44 MAG jacketed hollow point (JHP) 240 grain 1430 ft/s (436 m/s) Formerly NIJ 0101.06 Level IIIA NIJ RF Threat Level Test Threat Ammunition Reference Velocity Compare to NIJ 0101.06 NIJ 0101.07 RF1 7.62x51mm M80 Ball NATO FMJ steel jacketed spire point boat tail (BT) 149 +0/-3 grain 2780 ft/s (847 m/s) NIJ 0101.06 Level III NIJ 0101.07 RF1 7.62x39mm surrogate test round 120.5 grain (7.81 g) 2380 ft/s (725 m/s) NIJ 0101.07 RF1 5.56mm M193 BT 56 +0/-2 grain 3250 ft/s (990 m/s) NIJ 0101.07 RF2 7.62x51mm M80 Ball NATO FMJ steel jacketed spire point BT 149 +0/-3 grain 2780 ft/s (847 m/s) Same as RF1 NIJ 0101.07 RF2 7.62x39mm surrogate test round 120.5 grain (7.81 g) 2380 ft/s (725 m/s) Same as RF1 NIJ 0101.07 RF2 5.56mm M193 BT 56 +0/-2 grain 3250 ft/s (990 m/s) Same as RF1 NIJ 0101.07 RF2 5.56mm M855 BT 61.8 ± 1.5 grain 3115 ft/s (950 m/s) Add M855 on RF1 NIJ 0101.07 RF3 30.06 M2 Armor Piercing (AP) FMJ spire point AP 165.7 +0/-7 grain 2880 ft/s (878 m/s) Formerly NIJ 0101.06 Level IV

The UHMWPE fiber (Ultra High Molecular Weight Polyethylene Yarn) is 15 times stronger than steel and 40% stronger than aramid when weight for weight basis. It is the strongest yarn today for making cut-resistance gloves, high-strength ropes, and bulletproof fabrics. Its tenacity at breaking up to 45cN/dtex and has good performance on anti-UV, anti-chemicals, and anti-cut. Introduce of Ultra High Molecular Weight Polyethylene Yarn Ultra-high-molecular-weight polyethylene (UHMWPE fiber) is a subset of thermoplastic polyethylene. Also known as high-modulus polyethylene (HMPE yarn), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million annually. The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. This results in a very tough material, with the highest impact strength of any thermoplastic presently made. UHMWPE fiber is odorless, tasteless, and nontoxic. It embodies all the characteristics of high-density polyethylene (HDPE) with the added traits of being resistant to concentrated acids and alkalis, as well as numerous organic solvents. It is highly resistant to corrosive chemicals except for oxidizing acids; has extremely low moisture absorption and a very low coefficient of friction; is self-lubricating (see boundary lubrication); and is highly resistant to abrasion, in some forms being 15 times more resistant to abrasion than carbon steel. Its coefficient of friction is significantly lower than that of nylon and acetal and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but UHMWPE fiber has better abrasion resistance than PTFE. UHMWPE yarn is also one of three major hi-tech fibers ( specifically the carbon fiber, aramid, and UHMWPE fiber), in addition, it is a super-strong polyethylene fiber that offers maximum strength combined with minimum weight. It is up to 15 times stronger than quality steel and up to 40% stronger than aramid fibers, both on weight for weight basis. UHMWPE