Meaning
Standardized testing procedures for the determination of puncture impact properties involve driving a weighted striker through a plastic plaque at a constant speed. Following iso 6603 allows technicians to characterize the multi axial impact behavior of rigid plastics under dynamic conditions. The test provides a force versus deflection curve that reveals the energy absorbed at different stages of the impact.
It does not apply to thin films or materials that are too soft to resist the striker.
Methodology Standard
Equipment for this test must be capable of maintaining a specific velocity and recording data at high frequencies. Because iso 6603 demands precise control of the striker tip geometry and the support ring diameter, results are highly repeatable between different laboratories. The specimens are usually square or circular plaques of a fixed thickness.
These plaques must be conditioned at a specific temperature and humidity before the strike occurs.
Result Interpretation
Analysis of the resulting data identifies the peak force and the energy at failure. A material that follows iso 6603 may fail in a ductile or brittle manner, and the shape of the curve shows exactly when the transition happens. Total energy is calculated by integrating the area under the force displacement graph.
High peak force indicates a material that resists the initial penetration.
Quality Control
Implementation of this standard in a production environment ensures that the toughness of the resin remains consistent over time. While simple impact tests give a single value, the detailed data from iso 6603 helps identify subtle changes in the polymer formulation. Manufacturers use these results to validate the performance of safety critical components.
Regular testing maintains the integrity of the supply chain.