Enamel signs make sign _ production technology standard and acceptance requirements

Enamel signs production standards and acceptance requirements in the early years we compare common city street addresses, and telephone pole sign, building construction signs warning signs, such as logo, generally adopts enamel signs materials. Enamel signs of one of the biggest advantage is, good resistance to climate in the storm or the outdoor environment also can use for a long time. Tell you about some enamel signs below standard and acceptance requirements: the color of enamel signs, enamel signs production standard should be clear, eye-catching, uniform color, should not be suffused with color. Two and two or more color overprint signs, color edge should be neat, clear, dichromatic place there should be no gap. According to the product need to extinction processing surface can be made into light or inferior smooth. Two, enamel signs performance requirements shall not be less than specified coating adhesion, color fast fastness should comply with the provisions of the indoor use shall not be less than, outdoor use shall not be less than, anodized aluminum panels, deep color on the front of the oxidation film thickness shall not be less than the prescribed, the light color should not be less than rules. Salt spray resistance, should comply with the rules. Wet and heat resistance, should comply with the rules. Mildew resistance, should comply with the rules. Three, enamel signs size test method in common measuring tool and test limit gauge, flatness will sign placed on a flat plate with a ruler or feeler, inspection should not be applied when the external force causes deformation of the sign. Appearance quality in intensity of illumination for 23 stadia and under the condition of not less than, with normal vision inspection in the face. Coating adhesion regulations fast color fastness. Salt spray resistance, resistance to hot and humid, mildew resistance. Four, enamel signs inspection requirements sign need to the inspection department inspection qualified rear can leave the factory manufacturing unit, the size and appearance quality in accordance with the provisions of the sign of the normal inspection second sampling plan, general inspection level and acceptable quality level, acceptance check. Sign the performance of the quality in accordance with the provisions of normal inspection second sampling plan, special inspection level, the acceptable quality level, acceptance check. Sign test quality in the following cases, the performance of manufacturing process to finalize the design, manufacturing process or material changes, user request, a year of assessment on a regular basis. Five, the need of relevant standards in order to strengthen quality management, the sign test of related standard summarized as follows: packaging graphic symbol storage, light and weather fastness in dyeing fastness blue wool standard film adhesion test, determination of paint film flexibility method, the paint film impact resistance water resistance measurement method, film, film resistance to heat and humidity measurement, paint and varnish coating aging rating method, paint and varnish on the determination of impact resistance, salt fog resistance, daily-used porcelain enamel products inspection method. This article from: / reprint please indicate the article source.