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1·Ultra high heat resisting property.

具备超高的抗热性能。

2·Said invention possesses excellent plastic mouldable property (fluidity), and its resistance to shock rigidity and heat resisting property are not reduced.

本发明是一种可在不减低耐冲击性、刚性及耐热性下，成型加工性（流动性）优良的经橡胶改性的苯乙烯系树脂组成物。

3·A new kind of the sintered wear-resisting and heat-resisting deposit welding rod which has perfect processing property is produced and studied by cold-cementing extrusion process.

采用冷粘结挤压法，研制了一种工艺性能良好的烧结型耐磨耐热堆焊焊条。