How Body Armor is Made and Tested

Published on December 28, 2024
Duration: 70:31

This video provides an in-depth look at the manufacturing and testing processes for composite body armor, specifically focusing on Hesco plates. It details the multi-step production from raw materials to finished product, including the use of polyethylene and ceramic components. The video also extensively covers NIJ certification standards, ballistic testing methodologies, and the importance of rigorous quality control to ensure reliable protection.

Quick Summary

Composite body armor plates are typically made with a ceramic strike face to break up projectiles and a polyethylene backer to absorb energy and fragments. The NIJ certification process rigorously tests these plates against specific threats like M80 ball and M2AP rounds, measuring backface deformation to ensure wearer safety.

Chapters

  1. 00:03The Importance of Body Armor
  2. 00:30Body Armor Cultural Acceptance & Controversy
  3. 01:18How Body Armor Plates Defeat Rifle Rounds
  4. 02:05Touring Hesco Manufacturing in Aberdeen, WA
  5. 02:44Hesco's 8-Step Composite Plate Manufacturing Process
  6. 03:00Material Receiving & Polyethylene Cutting
  7. 04:33Layup and Press Consolidation
  8. 05:50Plate Processing: Oven vs. Water Jet
  9. 06:34Water Jet Trimming and Plate Wrapping
  10. 07:35Labeling and Traceability
  11. 07:55PSA Oven and Quality Control Checks
  12. 08:14Packaging and Shipment
  13. 08:51NIJ Certification Process & Tear Down Lab
  14. 09:32NIJ Level III Plate Testing Examples
  15. 10:30NIJ Level IV Plate Testing (M2AP Threat)
  16. 11:06Shot Pattern and Ballistic Energy Absorption
  17. 12:03NIJ 06 vs. NIJ 07 Standards
  18. 12:21Addressing the M855 Green Tip Threat (3+ Plates)
  19. 13:17NIJ RF2 and RF3 Standards Explained
  20. 14:19NIJ Test Realism vs. Scientific Consistency
  21. 15:20Hesco's Company Origins and Growth
  22. 16:22Company Values and Community Support
  23. 17:24Competitor Reactions and Initial Draw
  24. 17:40Meeting the Spec vs. Customer Service
  25. 18:12CBP Contract and Voice of the Customer
  26. 18:46Legacy: Job Creation and Saving Lives
  27. 20:32Impactful Moments in Business Evolution
  28. 21:49Passion for Armor and Varied Career Path
  29. 22:21Unique Challenges in the Armor Industry
  30. 22:56The Adage: He Who Shoots the Most Knows the Most
  31. 23:35Misconception: Armor is Not Bulletproof
  32. 24:04Future of Body Armor: Lighter, Thinner, Cheaper
  33. 25:19Hesco's Level IV Plate Testing Standards
  34. 26:13Industry Secret: Plate Size vs. Threat Profile
  35. 27:47Learning from Hard Lessons: Test, Test, Test
  36. 29:05Encountering Failures in Testing and Submission
  37. 30:05Warranty Corrective Action for Model 3610
  38. 31:33Transition to Ballistic Testing at Energetic Test Labs
  39. 32:37Energetic Test Labs: NIJ Accredited Testing
  40. 33:16Shipping, Receiving, and Submersion Tank
  41. 34:00Thermotron Conditioning Chamber (Temperature & Humidity)
  42. 34:58Hardness Tester for Mild Steel Core Projectiles
  43. 36:59Label Durability Tester (NIJ 0117 Standard)
  44. 40:10Clay Preparation Area for Backface Measurement
  45. 41:38Drop Fixture for Calibrating Clay Blocks
  46. 45:38V50 vs. V0 Ballistic Testing
  47. 47:51Mechanical Durability Drop Tester
  48. 48:29Handloading Projectiles for Velocity Control
  49. 52:03Control Table: Recording Test Data
  50. 55:19Universal Receiver and Range Setup
  51. 58:03Target Stand and Backstop Protection
  52. 58:54Backface Signature Measurement Tool
  53. 01:00:29Post-Shot Analysis: Shockwave Propagation
  54. 01:00:45Shots Per Plate: RF3 vs. RF2
  55. 01:04:43NIJ 06 vs. NIJ 07 Differences (M80 Ball)
  56. 01:05:26Material Types for RF1, RF2, RF3
  57. 01:05:59Multi-Hit Capability for M2AP Rounds
  58. 01:06:31Strike Face Foam for Ceramic Protection
  59. 01:07:05Angled Testing in New NIJ Standards

Frequently Asked Questions

What are the main components of a composite body armor plate?

Composite body armor plates typically consist of a ceramic strike face designed to break up projectiles and a polyethylene backer that absorbs and catches fragments. Some plates also incorporate strike face foam to protect the ceramic during impacts.

How does NIJ certification ensure body armor effectiveness?

NIJ certification involves rigorous testing against specific threats (like M80 ball or M2AP rounds) and standards for backface deformation. This ensures the armor meets defined levels of ballistic resistance, protecting the wearer from penetration and reducing trauma.

What is the difference between NIJ 06 and NIJ 07 standards?

NIJ 07 standards, like RF2 and RF3, address more modern threats such as the M855 green tip and M2AP rounds, which were not explicitly covered in the older NIJ 06 standards. NIJ 07 also introduces angled testing for greater realism.

How is backface deformation measured in ballistic testing?

Backface deformation is measured using a clay block calibrated to specific densities and temperatures. After a projectile impacts the armor, the depth of the indentation left in the clay indicates the force transmitted, with NIJ standards setting maximum allowable depths.

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