Standard No.:	GB/T 6747-2008
Chinese Name:	船用车间底漆
English Name:	Shop primer for ship building
Professional Classification:	G51 Coating
Professional Classification:	GB National Standard
ICS Classification:	87.040
Issued by:
Issued on:	2008-05-14
Implemented on:	2008-10-01
Status:	VALID
Replace:	GB6747-1986 General specification of shop primers for ship building
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transport and storage of shop primer for ship building.

This standard is applicable to shop primer applied after the steel plates, profile steels and molded parts for ship building have met the requirements for the required grades of surface treatment by shot blasting (or sand blasting). The shop primer serves as a rust-proofing primer for temporary protection of steel.

2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.

GB 190 Packing symbol of dangerous goods
GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2008, ISO 780:1997,MOD)
GB/T 1720 Method of test for adhesion of paint films
GB/T 1727 General preparation of paint film
GB/T 1728-1979 Methods of test for drying time of coatings of paints and putties
GB/T 1766-2008 Paints and varnishes - Rating schemes of degradation of coats
GB/T 3186 Paints, varnishes and raw materials for paints and varnishes - Sampling (GB/T 3186-2006, ISO 15528: 2000, IDT)
GB/T 8923-1988 Rust grades and preparation grades of steel surfaces before application of paints and related products (eqv ISO 8501-1:1988)
GB/T 9271 Paints and varnishes - Standard panels for testing (GB/T 9271-2008, ISO 1514: 2004, MOD)
GB/T 9276 Methods of exposure to natural weathering of coating (GB/T 9276-1996, eqv ISO 2810)
GB/T 9278 Temperatures and humidities for conditioning and testing of paint specimen (GB/T 9278-2008, ISO 3270:1984, Paints and varnishes and their raw materials - Temperatures and humidities for conditioning and testing, IDT)
GB/T 9750 Marks for package of coating products
GB/T 13452.2 Paints and varnishes - Determination of film thickness(GB/T 13452.2-2008, ISO 2808: 2007, IDT)