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Light transmittance of fabrics

Textile Light Transmittance Performance Tester

HY-916GZ
The ISO Certified Textile Light Transmittance Tester is a cutting-edge testing device dedicated to measuring the light transmittance of fabrics.
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Product Overview
The ISO Certified Textile Light Transmittance Tester is a cutting-edge testing device dedicated to measuring the light transmittance of fabrics. As a high-accuracy Textile Clarity Testing Equipment (also called Fabric Light Transmission Testing Machine), it serves as a critical tool for textile manufacturers, designers, and quality control professionals. By detecting flaws and inconsistencies in fabric clarity, this instrument enables targeted adjustments to production processes, directly enhancing the quality and performance of textile products. Its ISO certification further validates the authority and reliability of its test results.
 
Testing Principle & Core Functions
The core working principle of this tester is to calculate fabric light transmittance by measuring the ratio of illumination (light intensity) when light passes through the fabric sample, versus the illumination without the sample. This quantitative data reflects key fabric properties:
Transparency: The degree of light penetration (critical for fabrics like sheer decorative cloth);
Light-shielding performance: The ability to block light (essential for products like blackout curtains).
By capturing these metrics, the tester helps identify inconsistencies in fabric thickness, weave structure, or material composition—issues that may affect the product’s intended function (e.g., insufficient for curtains).
 
Related standards
GB/T42999-2023: Chinese national standard for the determination of light-shielding properties of household textile fabrics (illuminometer method);
FZ/T62025-2015: Chinese industry standard for roller blinds and window coverings;
JIS Standards: Japanese Industrial Standards (JIS 1096, JIS L1055 Method A) for textile light transmission testing;
ISO Certification: The device itself is ISO-certified, guaranteeing compliance with international quality and testing norms.
ISO Certified Textile Transmittance Tester
 
Product Advantages
Authoritative & Credible: ISO certification ensures the tester’s performance and test results meet global quality benchmarks;
High Accuracy & Precision: Delivers reliable, repeatable data to detect subtle inconsistencies in fabric clarity;
Targeted Performance Evaluation: Focuses on light transmittance/light-shielding properties—critical for functional textiles (curtains, household decor fabrics);
Multi-Standard Compatibility: Adapts to testing requirements for different textile categories (household textiles, window coverings) via aligned industry standards.