21gsm Heat Seal Tea Bag Filter Paper

Material ingredient

1.wood pulp
2.PP fiber

Features

Delivers excellent infusion
Excellent tea blend retention
Ensures integrity whilst infusing
Offers optimal high-yield conversion
Main Grammage: 16.5gsm,17gsm,18gsm,21gsm,22gsm, 23gsm,25gsm,38gsm
Main width: 87,97,100,115,125,130,140,264,320,370,484,564mm or customized
Inner core: 76mm
Outer diameter: 400mm, 440mm, 500mm, or customized

Requirement for Product Appearance 

1. The surface of the paper sheet should be equal and plane.
2. The color should be equal and without obvious differences for the same batch.
3. The edge surface of the paper roll should be even, and the density of the two edges should be the same. The paper core should be without distortion.

Main technical index: 

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

FAQ

1:Are you a trader or manufacturer?
We are an industry and trade enterprise that integrates production, manufacturing, and export. With the permit for import and export, we have our own plant and warehouse in Lishui City.
2:Can I request samples?
Free samples are available for any client in any size or type based on customers’ requirements.
3:What is your product range?
Heat seal filter paper ranges from 16.5gsm to 42 gsm. For nonheat seal filter paper, it ranges from 12gsm to 12.5gsm.
4:What kind of packing machines does your product suitable for?
All the main types of packing machines are suitable, including IMA, Maisa, Luoyang, Constanta, Perfecta, Universal, NF, etc.
5:Do you give inspect the products before they come out of your plant?
QC is the first priority and the most important step before any batch of products comes out of our plant. We will test all their attributes of them in our provincial-level lab by our professional scientists with decades of experience.
6:Please let us know your payment term.
We accept T/T,LC, DA, DP, etc