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Quality Guide

Fabric Quality Guides: GSM, Shrinkage, Pilling & Testing

How buyers measure and specify fabric quality: GSM, width, shrinkage, pilling, strength and fiber content.

7 articles

Fabric shrinkage rates by fiber and blend — Yongbo Textile Quality Guide cover banner
Quality Guide

Fabric Shrinkage by Fiber: Typical Rates and How to Keep Garments True to Size

Oct 12, 2026 · quality guide, shrinkage, dimensional stability, sanforizing

Most size complaints after washing are shrinkage problems, not pattern problems. Here are typical shrinkage ranges for cotton, linen, polyester, nylon and common blends, why the same fiber can shrink very differently, and what to specify so bulk matches your sample.

Fabric pilling resistance — test methods and grades, Yongbo Textile Quality Guide cover banner
Quality Guide

Fabric Pilling Explained: Test Methods, Grades and How to Specify Pilling Resistance

Oct 11, 2026 · quality guide, pilling, testing, anti-pilling

Pilling is one of the most common reasons garments look old before they wear out. Here's what causes it, how Martindale, pilling box and other tests differ, what a grade 3–4 actually means, and how to write pilling into a purchase order.

Verify Fiber Content — Yongbo Textile quality guide cover banner
Quality Guide

Is That Really 100% Cotton? How Buyers Can Verify Fiber Content

Jul 3, 2026 · quality control, fiber content, burn test, lab testing

Mislabeled fiber content is one of the costliest fabric disputes. Here's how a simple burn test works, what labs actually do, and when to order third-party verification.

Fabric strength & finishing trade-offs — Yongbo Textile quality guide cover
Quality Guide

What Silently Weakens Fabric Strength During Finishing

Jun 29, 2026 · quality control, tensile strength, workwear, sourcing guide

A soft, brushed finish can come at the cost of tear and tensile strength. Here's what finishing steps affect fabric strength, and what to ask for on strength-critical orders.

Fabric hand feel — Yongbo Textile quality guide cover
Quality Guide

Why Hand Feel Is the One Fabric Spec You Can't Put in a Contract

Jun 27, 2026 · quality control, hand feel, sourcing guide

Hand feel can't be measured like GSM or width — here's how mills actually control it, and why your approved swatch matters more than any spec sheet.

What is fabric GSM — meaning, measurement and tolerance, Yongbo Textile Quality Guide cover
Quality Guide

What Is Fabric GSM? Meaning, How to Measure It, and What Tolerance Is Normal

Jun 26, 2026 · updated Oct 15, 2026 · quality guide, GSM, fabric weight, sourcing guide

GSM means grams per square meter: the weight of one square meter of fabric. Here's how to measure it, how GSM converts to oz/yd², typical GSM for shirting, trousers, workwear and canvas, and why ±5% batch-to-batch variation is normal.

Fabric width tolerance — Yongbo Textile quality guide cover
Quality Guide

Why Fabric Width Isn't Always Exact — And What Tolerance to Expect

Jun 25, 2026 · quality control, fabric width, sourcing guide

Fabric width shifts slightly through dyeing and finishing — here's why, what tolerance is normal, and how to specify it so your cutting yield doesn't suffer.