GB/T 34444-2017 in English
VALIDPaper and board - Determination of the layer peel strength
- Issued on:2017-09-29
- Implemented on:2018-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 34444-2017纸和纸板 层间剥离强度的测定》由TC141（全国造纸工业标准化技术委员会）归口，主管部门为中国轻工业联合会。
Introduction
1. Background of standard formulation and analysis of technological evolution
GB/T 34444-2017 "Determination of interlayer peel strength of paper and paperboard" is an important technical specification for evaluating the interlayer bonding performance of paper and paperboard during production and application. The background of the formulation of this standard is mainly due to the demand for product quality control in the papermaking industry, especially for high-performance paper products such as composite materials and coated paper.
2. Comparative analysis of standard frameworks
| Standard dimensions | GB/T 34444—2017 | International standard ISO reference |
|---|---|---|
| Scope of application | Coated paper, composite paper and paperboard with a thickness of ≥0.5mm | ISO 1924-3: Paper and paperboard - Determination of tensile strength |
| Core indicators | Interlayer peel strength (N/m) | Interlayer bonding strength (N/25mm) |
| Test equipment requirements | Tensile strength testerwith peel force curve recording device | Tensile tester (additional adapter module required) |
3. Implementation suggestions and practical application cases
Implementation steps:
- Prepare the sample strictly in accordance with the standard sampling requirements (GB/T 450).
- Use a tensile strength tester that complies with GB/T12914—2008 to ensure that the data collection frequency is ≥100 times/second.
- Record and analyze the fluctuation of the peel force curve to ensure that the amount of valid data is ≥6.
Actual application case:
A packaging company used this standard to test the interlayer peel strength of composite paperboard. Through comparison, it was found that after optimizing the adhesive formula, the interlayer peel strength increased from 12.5 N/m to 18.3 N/m, which significantly improved the product quality.
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