Kitchen cabinets - Just how strong do they need to be? MDF, Plywood or Melamine?

New kitchen cabinets are a wonderful thing.  But do you know just how strong they need to be?

Kitchen Design, Jil Sonia Interiors

When ensuring your cabinets are sturdy and top notch, here are some tests that show how cabinets are tested.  I researched and found such useful information on the ANSI/KCMA website.  (Kitchen Cabinet Manufacturer Association) These tests are meant to verify the structural integrity and strength of cabinets.
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1. All shelves and bottoms are loaded at 15 pounds per square foot, and loading is maintained for seven days to ensure that there is no excessive deflection and no visible sign of joint separation or failure of any part of the cabinets or the mounting system.
2. Mounted wall cabinets are gradually loaded to 600 pounds without any visible sign of failure in the cabinet or the mounting system.
3. To test the strength of base-front joints, a load of 250 pounds is applied against the inside of cabinet-front stiles for cabinets with drawer rail, or 200 pounds is applied for cabinets without drawer rail, to ensure reliable front joints that will not open during stress in service or during installation.
4. To test the ability of shelves, bottoms, and drawer bottoms to withstand the dropping of cans and other items, a three-pound steel ball is dropped from six inches above the surface. After the test the drawer must not be damaged and must operate as before the test with no visible sign of joint separation or failure of any part of the cabinet or mounting system.
5. To test the ability of cabinet doors and connections to withstand impacts such as children may cause in falling against a cabinet, a 10-pound sandbag is used to strike the center of a closed cabinet door and repeated with the door opened to a 45-degree angle. The door must operate as before the test and show no damage or sign of separation or failure in the system.

If you need more help please check out this link  ​https://www.kcma.org/certifications/ansi-kcma-certification 

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