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history upper most full type plastics impact performance and commonly used toughening agent

Date: 2020-05-17 10:04 Views: 2468 Source: Internet

         plastics impact strong/high degree is its force property can most main/primary indicators 之一, and plastics tensile strength, fracture elongation important.

        衡 amount plastics impact strong/high degree large small indicators has 三, separation is 悬臂梁 impact strong/high degree, 简支梁 impact strong/high degree and impact strong/high degree, it versus between has versus can property, has versus can comparison property, has also 会出现 versus 反 结果, 例如PA66 and PPO, PC and LDPE and other and other, specific table/sheet 1 示. therefore need for different plastics impact strong/high degree large small comparison, must use types testing methods, tool has can ratio property.

        数显悬臂梁 plastics impact strong/high degree testing 仪

        落球 impact experiment/testing machine

table/sheet 1 commonly used plastics impact strong/high degree

         

        同一 types impact strong/high degree also can separation is is 开设缺口 and 不开设缺口两 types, 开设 缺口 also can separation is V type and type type. different temperature degree lower plastics impact strong/high degree large same, therefore testing must temperature degree value, generally types temperature degree, normal temperature is 23℃, low temperature is -30℃. therefore using/adopting types methods testing plastics impact strong/high degree 时, also need testing temperature degree and is 否开设缺口, if has temperature degree and is 否开设缺口就默认 is normal temperature and has 开设缺口 testing conditions.

         different plastics impact strong/high degree versus very large, specific table/sheet 1 and table/sheet 2 示, 以落球 impact strong/high degree comparison most large plastics is LDPE, impact strong/high degree most small is PS, 以悬臂梁 notched impact strength comparison PC most large, PS most small, PPO次之.

         improve/increase plastics impact strong/high degree methods is add toughening agent, can used for plastics toughening agent product types very more, different plastics can suitable toughening agent different, specific selection can as 者整理 table/sheet 2, 不一定 very 准确仅供参考.

table/sheet 2  different plastics 悬臂梁 notched impact strength and combined toughening agent product types