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Parameter
| Serial Number | Indicator Name | Indicator Value |
|---|---|---|
| 1 | length tolerance | ±2 mm |
| 2 | width tolerance | ±2 mm |
| 3 | thickness tolerance | round dot: 80±8% μm |
| 4 | heat seal width tolerance | 7±1.5mm |
| 5 | printing quality | text and patterns are clear, with uniform color; registration deviation ≤ 0.3mm, main part ≤ 0.2mm |
| 6 | peel strength | NY/PE TD: ≥ 3.0N |
| 7 | heat seal strength | 1. lateral (TD): ≥ 35N 2. longitudinal (MD): ≥ 35N |
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Frequently Asked Questions
What are the size tolerances for these composite bags?
The length and width tolerances are strictly maintained within ±2 mm to ensure precise packaging dimensions.
What is the standard thickness tolerance for the round dot?
The standard thickness tolerance for the round dot is specified at 80±8% μm.
How is the printing quality guaranteed?
We ensure clear text and patterns with uniform color. The registration deviation is kept under ≤0.3mm, and ≤0.2mm for the main parts.
What is the peel strength of the NY/PE material?
The peel strength of the NY/PE material in the transverse direction (TD) is ≥3.0N, ensuring reliable layer lamination.
What is the heat seal strength of the bags?
The heat seal strength is ≥35N for both lateral (TD) and longitudinal (MD) directions, providing superior package integrity and leak prevention.