Originally Posted by
MIOPE
I am writing to inquire about material 1.60 index MR8. We are considering adding this material to our lab’s offerings and I would like to learn more about its advantages and disadvantages.
Specifically, I am interested in knowing the following:
* What are the advantages of MR8 over other materials such as CR39, polycarbonate, Trivex, and 1.74 index?
* How does MR8 compare to these other materials in terms of scratch resistance?
* Is it mandatory to apply hardcoat to MR8?
* What is the minimum center thickness that can be edged in MR8?
* Is MR8 recommended for grooving or drilling?
* Does MR8 chip easily?
* Can MR8 be tinted to dark densities?
I would appreciate any other information you can provide me about this material.
Thank you in advance for your time and consideration.
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