Bulletproof Jackets

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    A PRESENTATION BY

    GOURABMONDAL

    TUSHAR

    KUMAR

    Bulletproof jackets

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    Introduction..

    Bulletproof fabrics are made of extremely strongmaterials

    It is a functional fabric .

    Made of a material called kevlar

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    What is kevlar ?..........

    Kevlar is a strong material .

    Its strength is in the process of weaving a liquid into a

    solid in tiny spider webs.

    The weave that makes bulletproof vests is kevlar29 .

    Note : nomex and kevlar are tradenames ofDuPont

    for aramid fibres introduced in 1963

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    Uses of kevlar

    Brake pads replacing asbestos.

    Boat hull cloth.

    Protection against tornadoes in shelters.

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    Manufacturing process

    Kevlar is made up ofaramid fibres.

    Chemical designation :

    polyparaphenylene terepthalamide

    obtained from monomers ofterephtaloyl dichloride

    & paraphenylene diamine

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    Manufacturing process..Polyparaphenylene

    terepthalamide

    Kevlar fibres

    Passing by perforated

    plates

    Weaveable yarn

    twisting

    Fabric (30m min.) Panel frame

    Plain weave

    Markingsilhouette

    Panel frame cloths

    1.Laser

    cutting2.workforce

    Weaved jacket

    Accessorizing by

    straps

    Sewing layers

    together

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    Manufacturing process

    Finishing the product :-

    it includes checking & quality control of the

    vest

    all tests such as yarn strength, elasticity &

    others that are done for all fabrics are done

    it is checked for defects by NATIONALINSTITUTE FOR JUSTICE (N.I.J.)

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    Properties of aramid fibres.

    Density : 1.44gm/cc

    Filament diameter: 12 micron

    Tensile strength: 1.950 mn/tex

    Tensile modulus: 5.5n/tex Elongation: 3.3 %

    Heat resistance: 90%

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    Properties contd.

    Thermal expansion coeff. :

    linear : 3.5 * 10^6/k

    transverse : 50 * 10^6/k

    sp. Heat : 1420 j/Kg kdecomposition temp:500 degree centigrade

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    Chemical properties.

    Continuous operating temp. : 204

    Moist heat : 177

    Surges: 220

    Combustion : no

    Alkali resistance : good

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    Chemical properties contd..

    Mineral acids resistance : fair

    Organic acid resistance : fair

    Solvent resistance : very good

    Relative cost : 5*cotton

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    Sources in India 1 Vijay Sabre Safety Pvt. Ltd. Manufacturer & exporter of breathing air cylinder

    trolley unit, medical equipments

    Address :

    35, Chandivali Village, Off. Saki Vihar Road, Andheri(West),

    Phone :

    91-22-28474045/87/85/28475488/28475036/28574045/28478785

    Mobile :+919574818967

    Fax :

    91-22-28470021

    http://www.tradeindia.com/Seller-1009027-VIJAY-SABRE-SAFETY-PVT-LTD-/http://www.tradeindia.com/Seller-1009027-VIJAY-SABRE-SAFETY-PVT-LTD-/http://www.tradeindia.com/Seller-1009027-VIJAY-SABRE-SAFETY-PVT-LTD-/
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    Sources in India .2 Proeye Protection World Pvt. Ltd. bulletproof jackets & vests, bomb blankets, boom

    barriers, traffic monitoring & control equipment,phone recorders, conference systems

    Address :

    S.C.O. 51-52, Sector 8-C, Madhya Marg, Phone :

    91-172-2780584

    Mobile :

    +919872201202 Fax :

    91-172-2546809

    http://www.tradeindia.com/Seller-3172918-Proeye-Protection-World-Pvt-Ltd-/http://www.tradeindia.com/Seller-3172918-Proeye-Protection-World-Pvt-Ltd-/http://www.tradeindia.com/Seller-3172918-Proeye-Protection-World-Pvt-Ltd-/http://www.tradeindia.com/Seller-3172918-Proeye-Protection-World-Pvt-Ltd-/
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    Varieties of bulletproof vests

    Military Bul Bulletproof Vest

    The Force Wears Indian Armour Military Vest is designed as a

    high-mobility front opening vest to be worn over a soldiers

    uniform...

    Category: Security & Protection | Bullet Proof Vest

    Related Keywords: Military Vest

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    Variety 2

    BulletProofVestfor concealed security, wearable under a

    shirt...

    Category:Security & Protection|BulletProof VestRelated keywords: |Bullet Proof Vest

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    Other Varieties.

    Full Body Armour -BulletProofVests

    http://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.htmlhttp://www.alibaba.com/product-free/104454801/Full_Body_Armour_Bullet_Proof_Vests.html
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    Other types.

    CommandoVestBulletresistance jacket with two hard armourpanel and soft armour panel comply NIJ

    Standard and ea...

    Brand Name:Bulletproofjacket

    BULLETPROOF WEST &

    HELMETS

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