ISBT PTC-00004Sports Closures Voluntary Standard Performance Specifications and Test Methods
These ISBT (International Society of Beverage Technologists) Sport Closure test methods focus on child safety related parameters such as separation forces and choking hazards of closure components. The test methods are designed to simulated children's ability to separate parts of a sport cap that are supposed to be brought in contact with kids at 36 month and below.
Before conducting these ISBT test methods, it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.