结晶性聚合物在SLS成形过程中存在较大的收缩变形，工艺较难控制，但此类材料韧性和强度很好，因此其SLS制造有巨大的发展潜力。
It is difficult to sinter part of crystalline polymer material by SLS for large deformation of crystalline material shrinking in the process.
结果表明，该聚合物有较好的结晶性和良好的热稳定性。
The result show that the polymers are crystalline and high thermly stability.
产品在稳定性、含量、澄清度、色级、结晶性、比容、聚合物、均一性等方面具有鲜明的质量优势。
The products have distinct quality advantages in stability, content, clarifying degree, color grade, crystallization, specific volume, polymer, unity, etc.
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