What is the maximum size of a standard envelope?

Now, the newly revised national standard GB/T 14 16-2003 will be implemented on June 1 day this year. This newspaper reported this news in the 27th issue 1 on April 9th. The new envelope standard stipulates the terms and definitions, specifications and dimensions, technical requirements, test methods, inspection rules, packaging, marking and storage of envelopes. Envelope suitable for domestic and international postal communication. \ x0d \ x0d \ Compared with the current standard 1993, there are seven changes in the new standard in 2003: ① the varieties and specifications of envelopes have been adjusted; (2) revised the technical requirements of envelope paper; (3) stipulated the color standard of postal code and aviation logo background color; (4) expanding the field of artistic patterns; ⑤ Added the information of the sending unit and the English comparative words of "Seal Office" and "Aviation" signs; ⑥ Improve the test method; ⑦ Added the explanatory text in the international envelope seal. This paper briefly introduces the variety and specification changes of the new envelope standard as follows: \ x0d \ x0d \ 2003, the new envelope standard was in line with international standards, and the size of chapter 5 of ISO 269- 1985 (e) was selected as the envelope code to replace the variety and specification number of the envelope in the current standard. The envelope size specification was reduced from 10 to 6. There are five specifications for domestic envelopes; There are four specifications for international envelopes. Among them, B6 and ZL specifications are only used for domestic envelopes. ZL specification is the existing No.6 envelope specification, which is mostly used for ordinary postage envelopes developed in various places; Generally suitable for automatic packaging of business letters and special envelopes; This is also the only envelope specification preserved by the first envelope standard 1978, which has the characteristics of China, and the Z in its code name may represent China. C6 specification is a new size, which is only used for international envelopes (3mm shorter than the current 1 envelope and 4 mm wider than the current 2 envelopes); The other three specifications are common to domestic envelopes and international envelopes. The new standard cancels the numbers 1, 2, 4, 8 and 10 of the current standard. The largest 10 envelope is not commonly used, but it is very memorable to cancel the existing 1 and 2 envelopes. The new C5 standard envelope is similar to the No.7 envelope for sending greeting cards, but the length is reduced by1mm; Width increased by 2mm, slightly changed. At present, the slender No.8 envelope, which is mostly used to send folded newspapers or magazines, has been cancelled. In the future, C4 envelopes (equivalent to the current No.9 envelope, such as EMS envelopes) have to be used, and newspapers and periodicals can be paperback without folding. With the cancellation of No.4 envelope, what will happen to the specifications of commemorative postage envelopes and china national philatelic corporation first day covers printed according to this specification? We will wait and see. (\ x0d \ x0d \ Xiao 176 * 10 \ x0d \ Zhong 220 * 10 \ x0d \ Da 324 * 229 \ x0d \ 65438) No.3/kloc-0 No.4 208x110x0d \10 458X324 \x0d\x0d\ \ domestic envelope standard \x0d\ code length (mm) width (mm) Remarks \x0d\B6 No. DLNo. ZL No.230 120 is consistent with the existing No.6 envelope \x0d\C5 No.229 1638C616214. International specifications \x0d\B6170 were added. DL No.220 1 10 is the same as the current No.5 envelope \x0d\ C5No .229 162 is the same as the current No.7 envelope \x0d\ C4 324229 is the same as the current No.9 envelope \ x0d \ domestic envelopes should use class B envelope paper not less than 80g.