Binder in phosphate bonded investment is______________?
(A) Magnesium oxide & Phosphate
(B) Magnesium oxide & Phosphoric acid
(C) Magnesium oxide & Monoammonium phosphate
(D) Magnesium oxide & Ortho Phosphoric acid
Binder in phosphate bonded investment is______________?
(A) Magnesium oxide & Phosphate
(B) Magnesium oxide & Phosphoric acid
(C) Magnesium oxide & Monoammonium phosphate
(D) Magnesium oxide & Ortho Phosphoric acid
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