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1)  double hardness
双硬度
1.
The species of production methods of double hardness polyurethanc foam scat cushion mainly for furniture and vehicle industries were described, of which some had be applied, some were studying, some were not made public.
介绍了主要用于汽车工业及家具行业的双硬度聚氨酯泡沫塑料座垫的10种生产方法,其中有国内外已经用过和仍在使用的,有正在研制的,亦有尚未见诸公开报导的。
2)  double-precision hardware
双倍精度硬件
3)  high spring double rigidity cushion
高回弹双硬度泡沫塑料
4)  hardness [英]['hɑ:dnis]  [美]['hɑrdnɪs]
硬度;硬性
5)  hardness [英]['hɑ:dnis]  [美]['hɑrdnɪs]
硬性,硬度
6)  Microhardness [,maikrəu'hɑ:dnis]
硬度
1.
Bi-Modal Distribution of Microhardness in Nanostructured AT13-Based Coatings by Plasma Spraying;
等离子喷涂纳米结构AT13基涂层硬度的双态分布
2.
The Experiment Study on Microhardness Property of the PMMA/MMT Nano Composites Synthesized by Suspension Polymerization;
悬浮聚合法制备聚甲基丙烯酸甲酯/蒙脱土纳米复合材料硬度实验研究
3.
Laser heating compact process of FeCrAlW was carried out,and the phases,microstructure,as well as microhardness profile,in the coating were examined by XRD and SEM.
采用激光辐照对电弧喷涂FeCrAlW涂层的组织进行致密化处理,借助扫描电镜和X衍射对涂层的组织和相结构进行了分析,测试了涂层的显微硬度。
补充资料:双硬度高回弹模塑泡沫塑料
分子式:
CAS号:

性质:一种高回弹泡沫塑料,同一制品具有两种硬度。生产方法有:①聚合物多元醇变量法,调节配方中的聚合物多元醇用量,以双混合头分两次浇注一次模塑成型;②异氰酸酯变量法,异氰酸酯组分使用改性MDI,发泡时瞬间改变异氰酸酯指数,两次浇注一次模塑成型。主要用于汽车座垫。

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