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    Home > Coatings News > Paints and Coatings Market > Coating standard: GB 6748-86 general specification for marine antirust paint

    Coating standard: GB 6748-86 general specification for marine antirust paint

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: this standard is applicable to the antirust coating on the steel surface of the marine parts (except the tank) 1 Technical requirements 1.1 General requirements 1.1.1 the composition of marine antirust paint system shall be determined by the production unit The paint performance and test method specified in this standard are only applicable to marine antirust paint 1.1.2 the marine antirust paint shall be able to dry under normal temperature, and its dryness shall meet the technical requirements of the product 1.1.3 marine antirust paint shall be matched with common shop primer The coating interval of each coating shall conform to the product technology Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Home of coatings: this standard is applicable to antirust coating on steel surface of marine parts (except tanks) 1 Technical requirements 1.1 General requirements 1.1.1 the composition of marine antirust paint system shall be determined by the production unit The paint performance and test method specified in this standard are only applicable to marine antirust paint 1.1.2 the marine antirust paint shall be able to dry under normal temperature, and its dryness shall meet the technical requirements of the product 1.1.3 marine antirust paint shall be matched with common shop primer The coating interval of each coating shall meet the technical requirements of the product 1.1.4 marine antirust paint shall have no adverse effect on airless spraying; there shall be no jelly or caking in the original packaging If there is precipitation, it should be able to disperse into uniform liquid after stirring 1.2 technical index the product shall meet the following technical indexes: project index adhesion, grade conforming to product technical index solid content,%, no less than oxidation type 55, other types conforming to product technical index flexibility, mm no more than 2 salt water resistance (immersion for 96h), no peeling, blistering and rust spots on the paint film, slight lightening of the color and the adaptability of the matt finish are allowed No adverse phenomenon 2 Test method 2.1 adhesion shall be carried out in accordance with gb1720-79 determination of film adhesion 2.2 the solid content shall be in accordance with GB 1725-79 method for determination of solid content of coatings 2.3 the flexibility shall be in accordance with GB 1731-79 determination of film flexibility 2.4 salt water resistance shall be in accordance with method a of GB 1763-79 test method for chemical reagent resistance of paint film 2.5 the corresponding synthetic resin paint of various colors shall be selected for the adaptability of finish paint to test the adaptability of finish paint Brush according to GB 1727-79 general preparation method of paint film First brush a layer of marine antirust paint, dry according to the technical requirements of the product, brush a layer of finish paint, and observe the brushing performance After the finish paint is dried for 24 hours, observe whether there are shrinkage, cracks, pinholes, blisters, peeling and other phenomena on the surface of the paint film 3 Acceptance rule 3.1 products shall be inspected by the inspection department of the manufacturer in accordance with the provisions of this standard, and all products leaving the factory shall meet the technical indicators of this standard The product shall be provided with a certificate of conformity If necessary, use instructions and precautions shall be attached 3.2 the receiving department has the right to inspect the products according to the provisions of this standard If the quality is found to be inconsistent with the provisions of the technical indicators of this standard, both the supplier and the Demander shall take samples again according to the sampling of coating products (GB 3186-82) If the quality is still inconsistent with the provisions of the technical indicators of this standard, the products are unqualified, and the receiving department has the right to return 3.3 the product shall be sampled according to GB 3186-82 The sample shall be divided into two parts, one for sealed storage and the other for inspection 3.4 both the supplier and the Demander shall check the packaging and quantity of the products, and inform the relevant departments in time in case of any damage or leakage of the packaging and any discrepancy in the quantity 3.5 in case of any dispute on product quality between the supplier and the demander, the product quality supervision and inspection institution shall conduct arbitration inspection 4 Packaging, marking, storage and transportation 4.1 products shall be stored in clean, dry and sealed containers The container is attached with a label, indicating the product model, name, batch number, weight, manufacturer name and production date 4.2 the product shall be kept ventilated and dry during storage to prevent direct sunlight, and shall be isolated from the fire source and heat source When the temperature is too high in summer, it shall be cooled 4.3 during transportation, the product shall be protected from rain and sun exposure, and conform to the relevant regulations of the transportation department 4.4 under the storage conditions in accordance with 4.2, the effective storage period of the product is one year from the date of production Beyond the storage period, inspection can be carried out according to the items specified in this standard If the results meet the requirements, they can still be used Additional notes: this standard is proposed by the Ministry of chemical industry of the people's Republic of China and under the jurisdiction of the National Technical Committee for standardization of coatings and pigments This standard is drafted by Dalian paint factory The main drafters of this standard are Gao Qi, Zhang Xiuqing and Guo Fangzhu Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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