What are the inspection standards for color coated rolls

Color coated roll (color coated roll) is a metal material with high decorative, anti-corrosion, and weather resistance, widely used in fields such as architecture, home appliances, and automobiles. The inspection standards for color coated rolls mainly include the following aspects:
Appearance quality
Inspect the appearance of the color coated roll, including the smoothness, color, and absence of obvious scratches, dents, bubbles, foreign objects, etc. on the coating surface. The appearance requirements should meet the product specifications and relevant national standards.
Dimension and Tolerance
Check the width, thickness, length and other dimensions of the color coated roll, as well as whether its tolerance meets the product specifications and relevant national standards.
Coating performance
The coating performance includes coating thickness, adhesion, hardness, wear resistance, corrosion resistance, etc. The testing of coating performance should be carried out in accordance with relevant national standards and industry norms.
Weather resistance
Weathering resistance refers to the anti-aging, UV resistance, salt fog resistance, moisture resistance and other properties of color coated roll in the natural environment. Weather resistance testing can refer to relevant standards and specifications.
Mechanical properties
Mechanical properties include bending, tensile strength, yield strength, elongation, etc. When inspecting the mechanical properties of color coated rolls, relevant standards and specifications should be referred to.
chemical composition
Inspect the chemical composition of the color coated roll, mainly including the composition of the coating material and the composition of the metal substrate. The detection of chemical composition should be carried out in accordance with relevant national standards and industry norms.

Related News

Four processes of steel bar processing

The processing of steel bars generally involves four processes: rust removal of steel bars; Straightening of steel bars; Steel bar cutting; Forming of steel bars. When the steel bar joint is connected with straight or conical threads, it is also necessary to add the steel bar end upsetting and thread processing procedures. Rebar batching and replacement Rebar replacement

< 1 2 3 >

T/F: 86-538-6993566

Email:info@taisenpaper.com
Cell: +86-13583808650
WhatsApp: +86-13583808650

Cell: +86-13505389181

WhatsApp: +86-13505389181
Wechat: +86-13583808650/+86-13505389181
Add: 2201, Building A, Guoshan Center, Changcheng Road, Taishan District,

Tai 'an City, Shandong Province

WeChat

PRODUCTS

◆

◆

◆

◆

◆

◆

◆

Corrugated Roofing Sheet

◆

◆

◆

◆

◆

◆

◆

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.