
For 90*74mm, 4500 pieces per roll are typical. Each carton contains three rolls.
We propose that the inner diameter is less than 100mm. Heat sealing and ultrasonic welding are both feasible for sealing coffee drip bags.

The automatic drip coffee packaging machine is capable of producing large quantities of drip coffee packs.
Want to use our coffee packaging soluitons to boost your coffee packaging business?
We can…
To manually DIY drip coffee bags, you need to have the following tools and bag packing materials ready.
The drip coffee filter is used on the Drip Coffee Bag Packaging Machine like this:
Heat sealing and ultrasonic sealed hanging ear drip coffee filter bag both have a similar function, which is to prevent coffee powder from leaking out.
Compare to heat sealing method, utrasonic welding is smoother and flatter than heat sealing, with smaller sealing edges. Furthermore, unlike heat sealing, ultrasonic welding does not produce additional heat that might damage the coffee in the drip bag.
Yes, disposable paper coffee filters are entirely compostable.
In general, the white coffee filter paper is bleached with chlorine, but the content is so low that it will not affect the environment. While the unbleached filter paper is in brown color.
The drip coffee bag can hold 10 – 12g of fresh medium ground coffee (about 2 – 3 teaspoons, to fill a quarter to half of the bag). Fill the bag no more than halfway since the coffee grounds may spill out of the bag while pouring in the water.