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ASTM D 3475 Prevent Children from Opening

ASTM D 3475-1995（2003）（Classification of Child-Resistant Packages）The United States was the earliest country to conduct research on child safety packaging and develop testing methods and standards, and its standards and regulations for child safety packaging are relatively rich and complete. In the American Society for Testing and Materials (AST M) standard catalog, there are a total of 9 standards related to child safety packaging, which provide specific requirements for some child safety packaging rules, mainly focusing on the classification methods of child safety packaging and the opening and testing methods of child safety packaging.Among them, ASTM D 3475-1995 (2003) 'Classification of Child Resilient Packages' classifies children's safety packaging products. The compression type child safety cover is a common packaging form in the market for child safety packaging. In the ASTM D 3475-1995 standard, this packaging cover belongs to the IA type child...

2018 - 02 - 26
Canada prevents children from opening CSA Z76.1

To determine whether the CRP model meets the requirements of this standard, the effectiveness evaluation of child resistance and advanced adult use should be conducted according to the complete or sequential protocol. （1） Select ProtocolThe testing protocol should be selected before testing begins. Changing the testing protocol is not allowed.（2） Complete protocol testingA complete protocol testing for the effectiveness of resistance in children and the effectiveness of advanced adult use should be conducted in accordance with Chapter 8. The results should be recorded and evaluated in accordance with the provisions of clauses 6 and 10. Instead of a complete solution, a sequential solution can be used.（3） Sequential protocol testingThe sequential scheme is only applicable to children's resistance and advanced adult effectiveness testing, but not allowedExecute in sequence. The sequential scheme testing should be carried out in accordance with Chapter 8. The results shall be rec...

2021 - 06 - 17
ASTM D3810 Minimum Torque Test

Test Method for Minimum Tightening Torque of Spinning CapsIn the AST M standard catalog, the test standard for the minimum tightening torque of pressure spinning covers is AST M D 3810-1997 (2002) 'Test Method for Minimum Application Torque of Type IA Child Resilient Closures'. The main purpose of this test method is to determine the minimum tightening torque value to verify the usage time of the child protection characteristics of the pressure spinning cover. The minimum tightening torque value will affect the fully degraded opening torque value, and during use, the degraded opening torque must be greater than the expected maximum reverse ratchet torque. The test method of minimum tightening torque can be used to compare the protective characteristics of two or more types of screwing caps for children, as well as to analyze the effects of factors such as lining materials, bottle cap materials, and container types on the protective characteristics of children.The test sample is...

2021 - 05 - 25
ASTM D3472 Torque Testing

Test Method for Reverse Ratchet Torque of Spinning CoverIn the AST M standard catalog, the test standard for reverse ratchet torque of pressure spinning covers is ASTM D 3472-1997 (2002) 'Test Method for Reverse Ratchet Torque of Type IA Child Resistent Closures'. This test method is mainly used for torque detection of child safety covers that rotate counterclockwise. The experimental equipment is a torque detector that detects the torque of the child safety cover rotating counterclockwise (i.e. reverse ratchet torque) without applying force in the vertical direction. The reverse ratchet torque is a torque in the opening direction of a bottle cap, and it is also an important torque for pressing and rotating the cap. This torque should not be lower than a certain value, otherwise the bottle cap will easily loosen. In general, the reverse ratchet torque is less than 10lbf · in (1.1N · m), so the detection range of the torque detector only needs to be 0-25lbf · in (...

2021 - 05 - 25

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