Safety sign clients
Safety color and safety mark
Table 1 : Color for safety and intersect color
Formats of safety mark
Table 2 : Formats of safety mark
- Format of supplementary marks, rectangular or square shape.
- Background color must be similar to safety color, and the text color must be intersect color as indicated in Table 1, or white shall be used as background color while black shall be used as text color.
- The characters used in the text, spacing between the characters, shall not be different more than 10% /format of the characters must be plain type without shadow or style /width of characters must not be less than 70% of its height.
- Show the supplementary mark under the safety mark.
Remark : Table 1, 2 are referred from the Thai Industrial Standard, TIS. 635 Vol. 1 to 2-2529, Safety colors and safety marks, Thai Industrial Standards Institute, Ministry of Industry.
Size of safety marks
Table 3 : Size of the safety marks and the characters used in supplementary marks
4-lower than 22° C
3-lower than 38° C
2-lower than 93° C
1-higher than 93° C
3-Heat and impact can cause explosion
2-Strong chemical reaction
1-Unstable if contact with heat
-Do not mix with water