Advanced UV Resistant Coating Dynamics Tool

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Whats/App: +86 156 1874 6768

Web: standard-groups.com

The Textile UV Protection Performance Tester is a high-precision optical instrument designed to evaluate the solar ultraviolet radiation protection properties of various materials under standardized conditions. By utilizing a stabilized xenon arc lamp and a high-sensitivity photomultiplier tube (PMT),

Standards

GB/T 18830 Textiles - Evaluation of Ultraviolet Protection

AATCC 183 Transmission or Blocking of Erythema-Weighted Ultraviolet Radiation Through Textiles

BS 7914 Standard Test Method for Ultraviolet Protection of Textiles

EN 13758-1 Test Methods for Ultraviolet Protection of Apparel Fabrics

AS/NZS 4399 Sun Protection Clothing: Evaluation and Classification - Textile UV Protection Performance Test

JIS L1925 Determination of Ultraviolet Shielding Factor of Textile Products

Features

1. Utilizes xenon arc lamps as light sources with high-sensitivity PMT processing

2. Fully computer-controlled with automatic data processing and storage

3. Multiple graphical representations, statistical reports, and analysis capabilities

4. Application software incorporates pre-programmed solar spectral radiation factors and CIE spectral red spot response factors for precise calculation of sample UPF values

Parameters

Test Procedures

1. System Initialization

Power on the instrument and the computer. Allow the xenon arc lamp to stabilize for the recommended warm-up period to ensure consistent irradiance output. Launch the analysis software and select the desired testing standard (e.g., GB/T 18830).

2. Calibration and Zeroing

Perform a baseline scan with an empty sample holder to calibrate the system's $100%$ transmittance reference. This compensates for ambient conditions and current lamp intensity.

3. Sample Preparation and Loading

Cut the textile sample into the required dimensions, ensuring it is flat and free of wrinkles. Place the sample into the holder. The automatic X-Y positioning system will align the sample for the first measurement point.

4. Measurement and Data Acquisition

Initiate the scan. The instrument will measure the spectral transmittance at specified intervals (e.g., $2text{ nm}$) across the $290text{--}400text{ nm}$ range. The software will repeat this process for different points on the fabric as required by the standard.

5. Report Generation

The software automatically calculates the mean UPF value, UVA transmittance, and UVB transmittance. You can then save the data to the database and print the standardized test report.

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