This paper introduces the cause of the easy aging of sodium silicate binder and the harm of its aging to the sand nature, and puts forward the methods and effects of sodium silicate binder modifying.
介绍水玻璃粘结剂容易“老化”的原因和老化现象对水玻璃砂性能的危害，提出水玻璃粘结剂改性的方法与应用效果。
A kind of micro-porous permeable material is prepared based on common features of existing permeable materials and taking dense accumulation of fine sand as the matrix and epoxy resin as binder.
根据已有透水材料的共同特点，以细砂密集堆积体为基质，环氧树脂为胶结料，制备出一种微孔透水性材料。
The heat cured sand of Al-Mg-B compound phosphate inorganic binder was modified by ultrasonic oscillation to binder and adding organic polymer YPPJ while mixing of sand.
采用对所研制的粘结剂进行超声波振荡及混砂时加入有机高聚物yppj对铝镁硼复合磷酸盐铸造粘结剂热硬砂进行改性。
The application of new BY binder in molding sand was studied.
本文研究了新型BY粘结剂在型砂中的应用。
The physical pattern and mechanical property of residual binder film on the used sodium silicate sand under different temperature were studied by the numbers.
对不同受热温度下水玻璃旧砂粒上残留粘结剂膜的物理形貌及力学性能进行了较系统的试验研究。
The result shows that the more the binder material or sand rate, the more serious the shrinkage cracking.
研究结果表明：随着胶结料总量和砂率的增大，高强高性能混凝土的收缩开裂趋于严重；
Synopsis: This paper introduces the technical requirements of the impeller and analyses main properties of the kinds of sand and binder.
本文简要介绍了叶轮的技术要求，分析了几种原砂、粘结剂的主要特性。
By taking EPS emulsion as main raw material, a new casting binder of non-coal molding sand was developed. EPS water-borne property by modification is fine, and available for the casting binder.
研究并开发出一种以eps为主要原料的无煤粉型砂粘结剂，实验表明乳化改性后的EPS水溶液性能优良。
Its main compositive materials are: cement, EPS, high molecule binder, fiber, expanded pearlite and super-fine sand.
其组成材料主要为：水泥、聚苯乙烯泡沫颗粒、高分子粘结剂、纤维、膨胀珍珠岩及特细砂等。
Abstract: Objective To study the effect of sand blasting and coating binder on the bonding strength of different tray materials and silicone rubber.
摘要目的研究喷砂及涂布粘结剂对不同托盘材料与硅橡胶结合强度的影响。
Further results indicate that the thermal conductivity of sand mold and the high fraction of binder alloying for the low melt point in the block will affect the quality of FGM.
进一步研究表明，砂型材料的导热率及合金粉块内低熔点的熔合剂过多均会影响复合材料的质量。
The mortar part inspects the influence on resistance to chloride ion penetration by different water-binder ratios, different added materials, different sand-binder ratios and different ages;
砂浆部分研究了不同水胶比、不同掺和料、不同龄期、不同砂胶比分别对其抗氯离子渗透性能的影响；
The mortar part inspects the influence on resistance to chloride ion penetration by different water-binder ratios, different added materials, different sand-binder ratios and different ages;
砂浆部分研究了不同水胶比、不同掺和料、不同龄期、不同砂胶比分别对其抗氯离子渗透性能的影响；
应用推荐