As of October 2023, there is no official information available about the iPhone 16 Pro Maxs product details, ingredients, or materials. However, there are some rumors and preliminary information available about the iPhone 16 and iPhone 16 Pro models. Here is a summary of the available information:

Positive:

• The iPhone 16 Pro models are expected to feature a tetraprism camera, which delivers a 5x optical zoom and works brilliantly.
• The iPhone 16 Pro and iPhone 16 Pro Max will have larger displays than their predecessors.
• The iPhone 16 OLED panels could use micro-lens technology for improved brightness and reduced power consumption.
• The 48-megapixel wide-angle camera used in the iPhone 16 Pro Max will reportedly feature an eight-part hybrid lens with two glass elements and six plastic elements, along with improvements for the telephoto and ultra-wide camera lenses.

Negative:

• There is no negative information available about the iPhone 16 Pro Max.

Materials:

• The iPhone 16 and 16 Plus are expected to use the same type of aluminum found on the iPhone 15 chassis, and will also feature matte back glass.
• The iPhone 16 Pro and iPhone 16 Pro Max are expected to maintain the same Grade 5 Titanium used on the iPhone 15 Pro, with the same brushed finish and curved design.
• The iPhone 13 is the first Apple product to use 100 percent certified recycled gold in the plating of the main logic board.
• iPhone 15 Pro and iPhone 15 Pro Max are free of harmful substances like beryllium, brominated flame retardants, PVC, phthalates, arsenic in the display glass, and mercury.

It is important to note that the information available is preliminary and subject to change.