Melting point that is applied to the polymer, not to change the status. From a solid into a liquid, but it is the change from a Crystal or crystalline solid is a semi comes, sometimes called the crystalline melting point.
Melting applied to the polymer, not to change the status. But the change from solid to liquid crystals or from. A semi-crystalline solid form Sometimes called the crystalline melting point
The melting point is applied to the polymer is not changed. From a solid to liquid but was changed from polycrystalline or semi crystal is a solid form. Sometimes called melting crystallization.