heat seal filter paper for tea bags is used for making heat-seal tea bags and heat-seal tea bag packing. It has good air permeability, drainage properties, good tensile strength, and heat sealing properties, it is widely used in food, chemical, pharmaceutical, and other industries, applicable to packs of tea, coffee, herbal health tea, etc.
It can be widely used in the latest packing machines such as:
IMA C45, C50, C51,C58, C59; Maisa EC12; ACMA TM320 ACMA TE500; Universalpack,SIG,Siebler,H+S PT6,RB10,GK20; IMA C55, C56; IMA C2000, IMA C45, C50,C51;Universalpack
The specification of heat-sealable tea bag filter paper | |||||||||||
Index | Units | Specifications | |||||||||
Grammage | g/m2 | 16.5±0.8 | 18±1.0 | 19g±1.0 | 20±1.2 | 21±1.2 | 23±1.5 | 24±1.5 | 25±1.5 | ||
Tensile strength | MD | ≥ | Kn/m | 0.75 | 0.92 | 0.93 | 1.05 | 1.15 | 1.25 | 1.31 | 1.34 |
CD | 0.18 | 0.21 | 0.22 | 0.22 | 0.22 | 0.23 | 0.28 | 0.30 | |||
Wet tensile strength (MD) | ≥ | Kn/m | 0.20 | 0.23 | 0.23 | 0.23 | 0.25 | 0.30 | 0.33 | 0.33 | |
Thickness | micron | 54 | 58 | 60 | 63 | 65 | 67 | 71 | 72 | ||
Filtering time | ≤ | S | 1.30 | 1.70 | 1.80 | 1.90 | 2.00 | 2.00 | 2.50 | 3.00 | |
Air permeability | ≥ | CU | 12960 | 11000 | 10050 | 9500 | 9200 | 7500 | 6500 | 5580 | |
Brightness (whiteness) | ≥ | % | 77-80 | ||||||||
Heat seal ability | ≥ | Kn/m | 0.12-0.18 | ||||||||
Moisture of delivery | ≤ | % | 5-8 |