KS A 4025-1990
Testing method of lead equivalent for X-ray protective devices

Standard No.

KS A 4025-1990

Release Date

1990

Published By

Korean Agency for Technology and Standards (KATS)

Status

Withdraw

Replace By

KS A 4025-2017

Latest

KS A 4025-2022

Replace

KS A 4025-1977

Scope

This standard specifies the lead equivalent of X-ray protection products, protective materials, etc. for tube voltages of 10 kV to 400 kV.

KS A 4025-1990 history

• 2022 KS A 4025-2022 Testing method of lead equivalent for X-ray protective devices
• 2017 KS A 4025-2017 Testing method of lead equivalent for X-ray protective devices
• 1990 KS A 4025-1990 Testing method of lead equivalent for X-ray protective devices
• 1985 KS A 4025-1985 Testing method of lead equivalent for X-ray protective devices
• 0000 KS A 4025-1977