カテゴリーアーカイブ: Uncategorized

包装、医療機器、電子機器に使用されるプラスチックフィルムは、製造、輸送、取り扱いの過程で様々な力に耐えなければなりません。その耐久性を保証するために、突然の機械的衝撃に対する材料の耐性を評価するフィルム衝撃試験が実施されます。このガイドでは、ASTM D1709およびASTM D3420に規定されているフィルムのダート衝撃試験や振り子衝撃試験など、広く認知されている方法を中心に、試験の目的、標準手順、適した材料について概説します。フィルム衝撃試験の目的を理解する フィルム衝撃試験は、外力による穿刺や引き裂きに耐える材料の能力を判定するのに役立ちます。包装用フィルムや医療用フィルムの用途では、耐衝撃性 [...]...

The Falling Dart Impact Test is a key procedure used to assess the strength and durability of films, particularly in industries where packaging materials need to withstand sudden impacts. The test simulates real-world conditions where packaging materials may be exposed to physical stresses. What is the Dart Impact Test? The Falling Dart Impact Test is a widely used test to evaluate the resistance of films and flexible materials to impact damage. In this test, a dart is dropped from a set height onto the film specimen, and the energy absorbed by the material is measured. The test helps manufacturers determine the material’s toughness and its ability to withstand real-world handling, […]

Dart Impact Testing of Polyethylene Film per ASTM D1709 Introduction to Dart Impact Testing of Polyethylene Film Polyethylene films are widely used in packaging due to their durability, flexibility, and lightweight characteristics. However, to ensure performance during shipping and handling, understanding their mechanical behavior—particularly under sudden impact—is essential. Dart impact testing of polyethylene film offers a reliable way to assess a film’s resistance to rupture when struck by a free-falling dart. One of the most recognized standards for this evaluation is ASTM D1709, which defines the methodology and apparatus for the impact dart test. Overview of ASTM D1709 and Impact Dart Test Methods ASTM D1709 outlines two standardized procedures—Test Method A and Test Method B—to determine […]

Understanding a material’s ability to withstand sudden shock or puncture is essential for ensuring durability in real-world applications. The film pendulum impact tester plays a vital role in quantifying this characteristic, especially for plastic films, laminates, and flexible packaging materials. By following standardized methods such as ASTM D3420, this testing approach provides valuable insights into the impact resistance of plastic film under controlled conditions. At Cell Instruments, the PIT-01 Pendulum Impact Tester is designed to meet this demand. It delivers precise energy measurement, reproducibility, and compliance with international ASTM standards for impact testing of plastics, supporting both research and quality assurance. ASTM D3420 and Spencer Impact Test: Recognized Standards in […]