For a film to meet the ANSI Z97.1 impact safety rating, it must comply with specific standards established for architectural glazing. This rating is primarily focused on impact safety regarding accidental human collisions rather than deliberate security threats.
Key aspects of this rating include:
- Test Methodology: The standard utilizes a ball drop test involving a 100-pound shot bag dropped from a specified height to simulate the impact of a person hitting the glass.
- Classification Levels: Based on the test results, the glazing is classified into two types:
- Type A: Resists glass fallout after impact.
- Type B: Withstands the impact but allows the glass to be displaced.
- Safety Enhancement: Professional installation of security film can upgrade existing glazing to comply with these Type A or Type B criteria. This enhances occupant safety by ensuring glass does not shatter dangerously upon impact.
While ANSI Z97.1 focuses on accidental safety, it is often used in conjunction with other intrusion protection standards (like UL 972) to provide a comprehensive security solution. Note that meeting this standard does not make a film bullet-resistant.
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