Envelope specifications introduced

June 1, 2004 started the new national standard envelope, public use of the envelope (GB/T1416-93 standard production) can still be used until June 2005, but the envelope after June 1, manufacturers must stop using the current envelope standards. The following is GB/T1416-2003 Chinese national standard envelope size information:
Adjust the envelope of new varieties of standard, specification, modify the technical requirements of the envelope paper to provide a zip code sash color, air accompanied the color of color, expanding the art design area, increasing the unit's information and send a letter "stamps Department "," air "logo in English control words, and improved test methods to supplement the international guiding the tongue envelope text. New standards for paper envelope durability, smoothness, strength, brightness, etc. were strict rules and requirements.
Domestic standard envelope
Code Length (mm) Width (mm) Remarks
B6 No. 176 125 the same envelope with the current 3
DL No. 220 110 the same envelope with the current 5
ZL No. 230 120 the same envelope with the current 6
C5 No. 229 162 the same envelope with the current 7
C4 No. 324 229 the same envelope with the current 9
International standard envelope
Code Length (mm) Width (mm) Remarks
C6 No. 162,114 additional international specifications
B6 No. 176 125 the same envelope with the current 3
DL No. 220 110 the same envelope with the current 5
ZL No. 230 120 the same envelope with the current 6
C5 No. 229 162 the same envelope with the current 7
C4 No. 324 229 the same envelope with the current 9