Compared with that of furane resin bonded sand,the feasibility of phenol resin bonded sand in forming a uniform coating layer in the inside mould surface is studied as well.

本文分析研究了砂在铸中成条件及光洁成机理，并对比研究了膜和呋喃自硬砂在铸成均匀砂层可行性。

Shell carbon black can be used to modify furane resin for significantly enhancing its electrostatic resistance and impact resistance,so that it is of greater suitability value.

采用谢尔炭黑改性呋喃树脂，能显著提高其抗静电、抗冲击性能，具有较大实用价值。