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Journals / Textile and Apparel / 2026 / Volume: 35 Issue: 3

Analysis of Factors Affecting Seam Strength at the Back Crotch of Swimwear

Jing Li(Quanzhou Normal University)0000-0001-7178-4090
Can Wang(Quan Zhou Normal University)0009-0007-8000-8932
Sunhee Lee(Dong-A University)0000-0001-8595-3641
Haibin Yu(Quan Zhou Normal University)0000-0003-3018-8158
Pages
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Publication Date
2025-09-30
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed a strong correlation between vertical breaking strength and seam breaking strength, with r = 0.774，P = 0.024.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The seam strength at the back crotch of swimwear is crucial for the product's durability and performance.
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Key Findings & Data:Tensile tests and statistical analysis of 16 samples showed that the yarn direction, fabric structure, and type of sewing thread significantly impact the tensile and breaking strength of the back crotch seam.
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Conclusion & Impact:The results showed a strong correlation between vertical breaking strength and seam breaking strength, with r = 0.774，P = 0.024.
🔬Design:Research Article
📍Scope:16 samples
⚙️Variables:Seam durability · Tensile strength analysis · Sewing thread interaction

Abstract

The seam strength at the back crotch of swimwear is crucial for the product's durability and performance. This study examined the differences in durability between various seam types, focusing on four-thread overlock and three-needle five-thread seams. The research explored how the tensile properties of elastic fabrics and sewing threads interact. Tensile tests and statistical analysis of 16 samples showed that the yarn direction, fabric structure, and type of sewing thread significantly impact the tensile and breaking strength of the back crotch seam. The results showed a strong correlation between vertical breaking strength and seam breaking strength, with r = 0.774，P = 0.024. The highest seam efficiency 71.78% was found in sample S13 longitudinal direction, red fabric, blue thread, and four-thread over lock, while the lowest efficiency 27.52% was in sample S10 horizontal direction, red fabric, white thread, and four-thread over lock. The analysis indicated that fabric direction and sewing thread type are key factors influencing seam efficiency.

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Cite This Article

Li, J., Wang, C., Lee, S., Yu, H. (2025). Analysis of Factors Affecting Seam Strength at the Back Crotch of Swimwear. Textile and Apparel, Volume: 35 Issue: 3. https://doi.org/10.32710/tekstilvekonfeksiyon.1566610

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