Standard No.:	QB/T 3829-1999
Chinese Name:	轻工产品金属镀层和化学处理层的耐腐蚀试验方法腐蚀膏试验(CORR)法
English Name:	Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products--Corrodokote test (CORR)
Professional Classification:	A29 Material Protection
Professional Classification:	QB Professional Standard - Light Industry
Issued by:
Issued on:	1999-04-21
Implemented on:	1999-04-21
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	75 (USD)
Delivery:	via email in 1-3 business day

1 Test Principle

Coat the corrodkote containing corrosive salts on the to-be-tested specimens and wait till the corrodkote becomes dry, place the specimens in a humidity cabinet with satisfactory relative humidity and carry out corrosion test for the specified duration, by this time the surface of specimens is corroded by the corrodkote, then take out the specimens and inspect them, and make corrosion rating.

2 Test Equipment

2.1 The equipment used in the test is a humidity cabinet with heating and air recirculation systems, including specimen holder.
2.2 It is disallowed that the water drops coagulated on the top cover or specimen holder of humidity cabinet drop onto the tested specimen.

3 Preparation of Corrodkote