1. Mechanical property is an important index to measure the formability, is to determine and adjust the important parameters of the processing process, so high-quality PPGI corrugated roofing sheet processing should be considered first.

2. Pencil hardness, T bend, impact power, and other indicators are closely related to the processing performance, so it should be given full consideration.

3. The shape of the parts is complex, the degree of deformation is large, should use multi-pass forming. If a forming may be due to excessive deformation damage PPGI corrugated roofing sheet coating and substrate adhesion.

4. The processing should be based on the shape of the mold, deformation characteristics, process conditions and other factors to set the appropriate gap, gap setting should consider the thickness of PPGI corrugated roofing sheet coating.

5. Most of the high-quality PPGI corrugated roofing sheet coating can be used as a solid lubricant and can meet the lubrication requirements of the most forming process, some coatings can be adjusted by the formula to improve the lubricity of the coating. If the lubrication of the coating is insufficient, the lubrication can be improved by means of oil coating, wax coating, and protective film stripping. However, it should be noted that wet lubricant is easy to absorb dirt, should be removed before the installation of the painted sheet. Exfoliate protective film should be removed as soon as possible after construction.

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