How to make a bulletproof plate?

bulletproof ceramic tiles and base plate

The bulletproof plate is part of the high protection of body armor required to meet NIJ standard level III or IV. It means required to against rifle or high power bullets like 7.62x51mm NATO ball, 7.62x39mm AK47 MSC, 5.56x45mm SS109, .30 M2 AP, or similar. The soft armor vest always designed for handguns so, it required the bulletproof plate together.

The bulletproof plate is rigid with the single or multi-curve. It calls a hard armor panel (HAP) or SAPI or ESAPI. And it always uses two pieces per body armor at the front and back to protect major organs of the body. To make one bulletproof plate, required to follow steps and it also suitable for making a bulletproof shield or armored vehicle panel.

Step 1: Choose structure of bulletproof plate

bulletproof plate sic no cover 2
ceramic bulletproof plate inside view

Regular has two structures of the bulletproof plate in the market today. One is pure PE and another is with ceramics. That has steel plate before but not use too much today because of too heavy.

  • Pure PE only suitable for NIJ level III, III+ or RF1 up to RF2 plate
  • The ceramic plate can use for all protect levels including level III up to IV / RF3

Step 2: Choose ceramic if required

bulletproof plate sic plate m size
silicon carbide bulletproof plate

That has three types of ceramic canbe use in market today.

  • >99% Alumina Oxide (Al2O3) Ceramic: weight ~3.9kg/mm, cheaper but heavy
  • >85% Silicon Carbide (SiC) Ceramic: weight ~3.2kg/mm, competitive
  • >85% Boron Carbide (B4C) Ceramic: weight ~2.2kg/mm, lightweight but expensive

Alumina Oxide is a very low-cost solution today but silicon carbide is more welcome because of its lightweight. Boron carbide will be more use in future but its cost too high today. And for the ceramic, that has hexagon tiles, square tiles, or monolithic to choose from in the market. It is depending on the cost and which machine will be using.

Bulletproof Plate
PE Backplate

Step 3: Make backplate of bulletproof plate

The backplate always made from PE today and sometimes, made from aramid fabric. The PE backplate is made from HB80 or HB90 bulletproof fabric and laminated from multi-layer using special technology and machines. You can order the PE plate from us directly with 6mm, 8mm, 10mm, or by order thickness to save your cost and time. The backplate is very important for the final performance of a bulletproof plate. The deformation always bigger if using a low quantity backplate.

Step 4: Composite ceramics together if required

It is easy today to composite ceramic together with a backplate. It just needs to use the right resin to paste ceramic on the face of the backplate and then, press them together with small pressure or use a special machine to copy them together if it is monolithic ceramic.

Step 5: Cover with waterproof fabric or coating

It always covers with a waterproof fabric plate. Or paint by Polyurea coating on the face to protect and increase the performance of the plate. Also, you do some cut on top for shooting thinking before cover if requried.

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