半硬质塑料 semirigid plastics 按GB1040-79《塑料拉伸试验方法》测定，拉伸弹性模量在700~7000公斤力/厘米2 约70~700 108（帕）之间的塑料。标准环境按照GB1039----79《塑料力学性能试验方法总则》的要求选取。
研究了阻燃剂、阻燃增塑剂及填料加入量对提高PVC半硬质塑料地板阻燃性的影响。
Study was made of the effects of admixing amount of fire retardant, fire retardant Plasticizer and filler on improvement on fire retardation of semirigid PVC floor tile.
广泛应用于高回弹冷熟化，微孔弹性体及半硬质聚氨酯泡沫塑料制品。
They are widely used in high elastic resilient cold cure, microporous elastomer and semi-rigid polyurethane foam plastics.
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