How to clean hardware screws so as not to rust?

Hardware screw also needs to be cleaned after using a long time, so how should be cleaned to prevent rust of the screw?

When washing hardware screws, please pay attention to the fact that there is no surface scratch to avoid the use of bleaching ingredients and abrasive washing solution, steel wire ball (roller ball), grinding tools, etc., in order to remove the washing liquid, at the end of washing, wash the surface with clean water.

The surface state and washing method are as follows:

1, binder composition - use alcohol or organic solution to clean hardware screws.

2, fingerprint - with alcohol or organic solvent (ether, benzene), with a soft cloth dry after washing with water.

3, welding heat discoloration -- with 10% nitric acid or hydrofluoric acid solution after washing with ammonia carbonate soda light solution neutralization treatment and then washing with water -- specially used for washing drugs.

C3-80 stainless steel screws

4, organic carbide attachment - soak in hot neutral detergent or ammonia solution and then wash with weak abrasive detergent.

5, dust and easy to remove scale - with soap, weak detergent or warm water washing.

6, fat, oil, lubricating oil pollution - with a soft cloth or paper after drying with neutral detergent or ammonia solution or special washing drugs to wash.

7. Rust caused by surface pollutants -- use nitric acid (10%) or abrasive detergent to wash -- use special detergent to clean hardware screws.

8, rainbow lines too much - caused by the use of detergent or oil, washing with warm water neutral detergent.

9, label and film - with warm water, weak detergent to scrub.

10, bleach and acid attachment - immediately rinse with water, soak in ammonia or neutral carbonated soda solution, then wash with neutral detergent or warm water.

Baerstorfer is a Wholly Owned German company. Main a2-100 stainless steel standard parts, C3-80 stainless steel screws, A4-100 stainless steel bolts, A5-80 stainless steel screws, A4-80 hex bolts, C1-110 screws, high temperature alloy bolts, low temperature bolts, non-magnetic stainless steel screws, 310S stainless steel screws, nickel base alloy bolts, titanium alloy fasteners, German import standards For more details, please visit www.bsf-sh.com or call 021-38022886