Crystalline polymers have an ordered molecular arrangement, with a sharp meltingpoint.
结晶质聚合物具有规则的分子排列及明显的熔点。
2
The silica bricks of high refractoriness, high loading and heavy meltingpoint made of large crystalline quartz have already increased the life to 5 times.
用大结晶脉石英制成高耐火度、高荷重软化点硅砖，使用寿命提高5倍以上。
3
Crystalline resins have a very sharp meltingpoint and require significant energy (heat) input before they undergo a phase change and melt to a low viscosity.