ASTM D1746 Transparency Testing for Plastic Sheeting

ASTM D 1746 Standard Test Method covers the measurement of the transparency of plastic sheeting in terms of regular transmittance. Although it can be used with any translucent or transparent material, it is primarily designed to be used with thin sheets of theoretically clear and colorless material.

    Talk to an Expert
    ASTM D1746 Transparency Testing for Plastic Sheeting

    TRUSTED BY

    Precision-driven testing for dimensional accuracy and compliance

    • Overview
    • Scope, Applications, and Benefits
    • Test Process
    • Specifications
    • Instrumentation
    • Results and Deliverables

    Overview

    ASTM D1746 evaluates the transparency of plastic sheets by measuring the amount of light transmitted through the material. The test determines optical clarity, which is critical for applications requiring visibility and aesthetic quality.

    This method is widely used in packaging, optics, and display industries. It helps ensure that plastic sheets meet required standards for clarity, appearance, and performance.

    Scope, Applications, and Benefits

    Scope

    ASTM D1746 assesses the transparency of plastic sheets by measuring light transmission through the material. The test evaluates optical clarity and surface quality.

    The test evaluates:

    • Light transmission of plastic sheets
    • Optical clarity and transparency
    • Surface quality and uniformity
    • Presence of haze or defects
    • Suitability for optical applications

    Applications

    • Transparent packaging materials
    • Optical and display components
    • Protective plastic sheets
    • Automotive glazing plastics
    • Consumer product covers and enclosures
    • Quality control in plastic manufacturing

    Benefits

    • Provides accurate transparency measurement
    • Ensures high optical quality
    • Supports product design and development
    • Helps detect defects and inconsistencies
    • Enables comparison of plastic materials

    Test Process

    Sample Preparation

    Plastic sheet specimens are cleaned and prepared.

    1

    Instrument Setup

    Samples are placed in a light transmission measurement device.

    2

    Light Measurement

    Light is passed through the specimen to measure transmitted intensity.

    3

    Data Recording & Evaluation

    Transparency values are calculated and analyzed.

    4

    Technical Specifications

    ParameterDetails
    Applicable MaterialsTransparent plastic sheets
    Thickness Range~0.1 mm to 10 mm
    Light Transmission Range~0% to 100%
    Wavelength Range~400 nm to 700 nm
    Measurement Accuracy±1%
    Measured OutputsPercent transmission (%)

    Instrumentation Used for Testing

    • Spectrophotometer or light transmission meter
    • Optical light source
    • Sample holder and fixtures
    • Calibration standards
    • Cleaning tools
    • Data acquisition system

    Results and Deliverables

    • Light transmission values (%)
    • Transparency and clarity evaluation
    • Optical quality assessment
    • Comparative material analysis
    • Test condition summary
    • ASTM compliance report

    Why Choose Infinita Lab for ASTM D1746?

     At the core of this breadth is our network of 2,000+ accredited labs in the USA, offering access to over 10,000 test types. From advanced metrology (SEM, TEM, RBS, XPS) to mechanical, dielectric, environmental, and standardized ASTM/ISO testing, we give clients unmatched flexibility, specialization, and scale. You’re not limited by geography, facility, or methodology—Infinita connects you to the right testing, every time.

    Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090  to learn more about our services and how we can support you. Request a Quote

    Frequently Asked Questions

    ASTM D1746 measures transparency of plastic sheets by evaluating light transmission and clarity. It helps determine visual quality of materials used in glazing, packaging, and optical applications.

    Key parameters include light source intensity, specimen thickness, surface condition, and measurement geometry. Controlled conditions ensure accurate evaluation of optical properties.

    The test measures percentage of light transmission and transparency. Results indicate clarity, haze, and suitability of plastic sheets for visual or optical applications.

    ASTM D1746 is used for transparent plastic sheets such as acrylic, polycarbonate, and other polymer films used in windows, displays, and packaging.

    ASTM D1746 results may be influenced by surface defects, scratches, or contamination. It may not fully represent performance under varying lighting conditions or long-term environmental exposure.

     Request a Quote

    Request a Quote

    Submit your material details and receive testing procedures, pricing, and turnaround time within 24 hours.



    • ddd
      Quick Turnaround and Hasslefree process
    • ddd
      Confidentiality Guarantee
    • ddd
      Free, No-obligation Consultation
    • ddd
      100% Customer Satisfaction
    Home / services / ASTM D1746 Transparency Testing for Plastic Sheeting

    Discover more from Infinita Lab

    Subscribe now to keep reading and get access to the full archive.

    Continue reading

    ×

    Talk to an Expert

      Connect Instantly

      (888) 878-3090
      Ensure Quality with the Widest Network of Accredited Labs
      • ddd
        Quick Turnaround and Hasslefree process
      • ddd
        Confidentiality Guarantee
      • ddd
        Free, No-obligation Consultation
      • ddd
        100% Customer Satisfaction

        ddd

        Start Material Testing