black chromium

Research of a New Process for Plating Black Chromium on Large Casing of Gyroscope

陀螺仪大壳体镀黑铬新工艺研究

STUDY ON THE STABILITY OF EBT AQUEOUS SOLUTION Black chromium plating process

BD电镀黑铬工艺的研究

Application of Black Chromium Plating In Camera Industry

电镀黑铬工艺在照相机工业上的应用

A black chromium plating process was advanced .

介绍了一种镀黑铬工艺。

Study on deposit black chromium coating from cr ~ ( 3 + ) bath

三价铬镀液沉积黑铬镀层的研究

Infrared Radiation Ability of Electroplated Black Chromium Coating and Wastewater Treatment Journal of Materials Protection

黑铬镀层的红外辐射性能及镀液废水处理

Black chromium plating process

实用镀黑铬工艺

Bum-out Black Chromium & Fog Chromium Double Color ( pen )

烂花黑铬雾铬双色（钢笔）

Development of all-glass evacuated tubular collectors with black chromium selective coatings and V-shaped specular reflectors

具有V型镜反射器的全玻璃黑铬真空管集热器的研制

Cr ~ ( 6 + ) bath is usually used for black chromium plating , but it is unsatisfactory , due to it 's toxicity , environment pollution and low current efficiency .

通常黑铬的电镀都是采用六价铬的镀液，但镀液的毒性大，污染环境，效率低。

This paper puts forward a new process for plating black chromium on gyroscope casing by analyzing the electrochemical reaction mechanism of plating black chromium , and indicates the composition of plating solution , process condition , and the effect of impurity ion on plating black chromium .

本文通过分析镀黑铬的电化学反应机理，提出了一种陀螺仪大壳体镀黑铬的新工艺，并说明了镀液成分、工艺条件、杂质离子对镀黑铬的影响。

It is proved in practice that the new plating solution has good dispersive capacity , and the finished black chromium plating has certain degree of activity , which can realize secondary plating black chromium . This new process is not only practical , but also saves manhour and energy .

经实践证明，新镀液的分散能力好，而且所得黑铬镀层具有活性，可以实现二次镀黑铬，是一种实用有效、省工时、节能源的新工艺。

Our company environment-friendly products include : lead-free white copper tin , low-Co nickel-free black alloy , trivalent chromium plating , and trivalent chromium passivation series etc.

主要的环保优势产品：无铅白铜锡、低钴无镍枪色、代铬、三价铬镀铬、三价铬锌钝化。