SZ/OEMU/28/1/3-5 - The resistance of plastics, metals and other materials to penetration by 3/32-in. steel balls projected at high velocity, 1/41

Reference code

SZ/OEMU/28/1/3-5

Level of description

Item

Title

The resistance of plastics, metals and other materials to penetration by 3/32-in. steel balls projected at high velocity, 1/41

Date/s

1941

Quantity & Format

10 leaves

Corporate name

Great Britain. Ministry of Home Security.

Subject

Thermoplastics

Creator

Road Research Laboratory

Scope and content

Quote from the summary: "Plastics of the thermo-hardening type on a fabric base were found to be the most resistant to penetration, similar plastics on a paper base being slightly inferior. Thermo-plastic resins were about 25 percent less resistant than the thermo-hardening resins, but were not so liable to crack or spall." Tables showing the perforation resistance of the various materials tested are included. Photographs show the damage to plastics from the steel balls.

Report for the Ministry of Home Security

Three copies.

SZ - Zuckerman Archive
- SZ/OEMU - Ministry of Home Security, Oxford Extra-Mural Unit
  - SZ/OEMU/28 - [OEMU. CDRC - Splinters, 1939-1945]
    - SZ/OEMU/28/1 - [OEMU. CDRC - Splinters: protection of personnel, tests of various materials, etc., 1939-1942]
      - SZ/OEMU/28/1/3-5 - The resistance of plastics, metals and other materials to penetration by 3/32-in. steel balls projected at high velocity, 1/41

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