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BY-915 medium temperature precision pull tube phosphating agent
    • BY-915 medium temperature precision pull tube phosphating agent
Product Details

BY-915 medium temperature precision pull tube phosphating agent

To reduce production costs and improve the stability of the agent, BY-915 is usually used at higher temperatures (55-70 ° C) and at more dilute concentrations.

First, the composition of BY-915 phosphating agent is (three components):

BY-915 tanking agent

BY-915 supplement

BY-131 accelerator

Second, the ratio of BY-915 phosphating agent in the medium temperature condition (55-70 ° C) is:

BY-915 dispensing agent 50kg

BY-131 accelerator 1 liter / m3

For example: When preparing a 1m3 phosphating solution, add about 50 kg of BY-915 tanking agent and add water to about 1 m3. About 1 liter of BY-131 accelerator was added about half an hour before phosphating, and the steel pipe was treated by uniformly stirring and heating to 60-70 °C.

Third, BY-915 phosphating agent phosphating steel pipe working conditions or control process is:

Free acidity: 0.5-1 point

Temperature: 60-70 ° C

Time: 10-15 minutes

Promoter: >1 point

Fourth, the use of instructions:

1. Consumption (kg): 5-6%

2, free acid (point): 0.5-1.2

3, total acid (point): 12-20

4, accelerator (point): ≥ 1 point

5, temperature (°C): 60-70 ° C

6, time (minutes): 5-10

7. Applicable scope: precision drawn tube, cold drawn steel

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Sitemap   All tags  Designed by zhonghuan Internet     
CopyRight © -2021 Changzhou Boye Surface Technology Co., Ltd. all rights reserved. 
   Sitemap   All tags  Designed by zhonghuan Internet