Envelopes for automatic filling

C5 C5/6

Envelopes are designed for automatic machines handling on specialized inserting lines which fold documents and insert them into the envelopes. The filling may reach up to 30.000 filled envelopes per hour. For mail merge this procedure represents the only sensible solution – for bank account statements, phone invoices, insurance documents, as well as direct mail and other services.

Therefore the demands for envelope material quality and production accuracy are high.

The most common envelope format types are C5/6 (114 x 229 mm) and DL, C5.

Seal flap is gummed since this is the only solution for automatic machines. The flap shape differs according to particular envelope machines with most frequent flap length of 40 – 45 mm. Approximately 5mm from the top fold, the seal flap comprises of so-called second fold, which enables easier opening and sealing at the envelope sealing machine.

Úpská 481
542 24 Svoboda nad Úpou


+420 499 300 417

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