Introdução aos padrões da AATCC para testes de têxteis: Importância e principais métodos de teste

The American Association of Textile Chemists and Colorists (AATCC) sets standardized test methods to achieve product quality and performance in the textile industry. Understanding these standards is vital for maintaining industry compliance and delivering high-quality textile products. This article will cover the significance of AATCC standards for textile testing, the types of products covered, and the main categories of these test methods.

Background information: Color Fastness and More: Exploring Key Aspects of Textile Testing for Manufacturers

What Are AATCC Standards for Textiles?

AATCC standards are established methods for testing textile properties like colorfastness and durability. 

While compliance isn't mandatory, following these standardized test methods allows you to compare your products against industry benchmarks and catch potential issues early in the production process. This ensures consistent quality from batch to batch and minimizes the risk of defects reaching consumers.

These standards apply to a wide range of textile products, including but not limited to:

• Vestuário

• Home textiles (carpets, upholstery, curtains)

• Industrial fabrics

• Calçados

• Linens (bed sheets, towels)

• Sporting goods (athletic wear, tents)

While the standards apply to a broad range of textiles, the specific tests used will depend on the intended use of the textile or product.

Key AATCC Standards for Textile Testing

AATCC standards encompass various categories to address different aspects of textile performance. Here’s a high-level overview of the primary categories of test methods (TMs):

1. Colorfastness Standards: These standards assess a textile’s resistance to color changes under various conditions, such as washing, light exposure, and perspiration. Ensuring colorfastness is crucial for maintaining the appearance and quality of textile products.

Examples of colorfastness test methods include:

• AATCC TM6 - Colorfastness to Acids and Alkalis

• AATCC TM8 - Colorfastness to Crocking: Crockmeter

• AATCC TM15 - Colorfastness to Perspiration

• AATCC TM107 - Colorfastness to Water

• AATCC TM132 - Colorfastness to Drycleaning

• AATCC TM16.3 - Colorfastness to Light: Xenon-Arc

• AATCC TM61 - Colorfastness to Laundering: Accelerated

2. Physical Properties Standards: These standards evaluate the physical attributes of textiles, including strength, durability, and elasticity. They ensure that textiles can withstand everyday wear and tear without compromising quality. This type of testing is particularly important for apparel products, or textiles that will be in harsh conditions.

Examples of physical properties standards include:

• AATCC TM66 - Wrinkle Recovery of Woven Fabrics: Recovery Angle

• AATCC TM93 - Abrasion Resistance of Fabrics

• AATCC TM135 - Dimensional Changes of Fabrics after Home Laundering

• AATCC TM88B - Seam Smoothness in Fabrics after Home Laundering

• AATCC TM124 - Smoothness Appearance of Fabrics after Home Laundering

3. Fiber Analysis Standards: These standards involve analyzing the fiber content and composition of textiles. Accurate fiber analysis helps in verifying product specifications and ensuring consistency.

Examples of fiber analysis standards include:

• AATCC TM20 - Fiber Analysis: Qualitative

• AATCC TM20A - Fiber Analysis: Quantitative

4. Water Resistance and Absorption Standards: These standards measure the water repellency and absorption properties of textiles. They are particularly important for outdoor and performance apparel, where water resistance is a key quality factor.

Examples of water resistance and absorbency standards include:

• AATCC TM22 - Water Repellency: Spray

• AATCC TM35 - Water Resistance: Rain

• AATCC TM42 - Water Resistance: Impact Penetration

• AATCC TM127 - Water Resistance: Hydrostatic Pressure

5. Chemical Properties Standards: These standards evaluate the chemical characteristics of textiles and finishes to test for factors such as the pH level, the presence of specific chemicals, and the textile's resistance to chemical agents. Such testing is helpful for products that undergo various chemical treatments during manufacturing or that will be exposed to chemicals during use. 

Examples of chemical properties standards include:

• AATCC TM81 - pH of the Water-Extract from Wet Processed Textiles

• AATCC TM82 - Fluidity of Dispersions of Cellulose from Bleached Cotton Cloth

• AATCC TM94 - Finishes in Textiles: Identification

• AATCC TM26 - Ageing of Sulfur-Dyed Textiles: Accelerated

6. Antimicrobial and Antifungal Standards: These standards assess the antimicrobial and antifungal properties of textiles, ensuring they can resist the growth of bacteria, mold, and mildew. Such testing is vital for products that are used in environments where hygiene is paramount, such as healthcare, sports, and outdoor gear.

Examples of antimicrobial and antifungal standards include:

• AATCC TM30 - Antifungal Activity, Assessment on Textile Materials: Mildew and Rot Resistance of Textile Materials

• AATCC TM100 - Antibacterial Finishes on Textile Materials

• AATCC TM147 - Antibacterial Activity of Textile Materials: Parallel Streak

• AATCC TM174 - Antimicrobial Activity Assessment of New Carpets

These categories represent just a portion of the extensive range of AATCC test methods, each designed to address specific aspects of textile quality and performance. Working with a third-party expert laboratory can help you determine which tests are most appropriate for your product type.

Partner with QIMA for AATCC Textile Testing

QIMA’s state-of-the-art laboratories and expert technicians provide accurate, reliable results across a wide range of AATCC test methods. By working with us, you can verify the quality, durability, and performance of your textiles, helping you meet industry standards and exceed customer expectations. 

Learn more about our textile testing services or contact us today to book a test.