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Production Process of PPGI Coil
The most commonly used method is a double-side and twice-coating process. It means the back and topsides will be painted twice. Let’s review step by step.
1. Pre-treatment
GI coils are uncoiled and welded first. Then go through the inlet looper to be cleaned and pre-treated continuously (such as degreasing). After that, a layer of chemical conversion coating is formed on the surface.
2. Painting Process
The back and top sides of the steel coil will be painted and dried. Generally, the top coating will be thicker, say 10-35 μm. The thickness of the coating can be customized according to your requirements.
3. Cool down the coated steel coil.
4. Quality control.
The colored coils will be tested by professional equipment and specialized persons.
5. Roll the qualified steel coils up for sale
Metal base | SGCC |
Thickness | 0.14mm-1.2mm |
Width | 600mm-1250mm |
Coil weight | 3-5 tons,according to request |
Color | customer"s color |
Coating | Top 10um-25um,back 5um-10um |

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
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FAQ
Q1 : What is your payment terms ?
A1 : 20% deposit & balance against B/L or L/C at sight.
Q2 : What is your delivery time & loading port ?
A2 : Usually is 15-30days after received advance payment or L/C Loading port:QINGDAO or XINGANG.
Q3 : Do you have MOQ request ? Can offer free samples ?
A3 : Our MOQ is usually 1x20ft container. Free samples is ok but need pay thecourier charge Charge can be deduct in future orders.
Q4 : Where is your company located ?
A4 : Our company is located in Linyi city, Shandong Province, China. 1 hour fromBeijing Airport. 1 hour from Shanghai Airport. 2.5
hours from GuangzhouBaiyun International Airport. 200km far from Qingdao port.