PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate.
| Location | category | value | |||||
| Executive standard | National standard | GB/T12754-2019 | |||||
| American Standard/European Standard | ASTM A792M | ||||||
| Cold rolled substrate | Width specification | Cold rolled substrate thickness | Including metallized layer, the thickness after painting | Label thickness | |||
| 1200mm | ≥0.41mm | ≥0.46mm | ≥0.45mm | ||||
| Size deviation | Width tolerance | Upper deviation +4mm | |||||
| Lower deviation 0 | |||||||
| thickness | Upper deviation +0.05mm | ||||||
| Lower deviation 0 | |||||||
| Yield Strength | >300MPA | ||||||
| tensile strength | 270-500MPA | ||||||
| elongation after break | More than 20% | ||||||
| Steel coil inner diameter | Standard: 508mm,Except for other agreements | ||||||
| metal coating | alloy composition | AlZnMg or galvanized AlMg | |||||
| Total Weight of Plating Both Sides (Outside/Inside) | 150g/ (75/75 or 85/65) | ||||||
| Neutral salt spray test | The surface of the board (without passivation, anti-fingerprint and other treatments on the surface) has a neutral salt spray test of more than or equal to 2500 hours, and there is no red rust on the surface. | ||||||
| When the salt spray test on the wound surface (end surface) is greater than or equal to 1200, there is no red rust on the surface. | |||||||
| PPGI paint | PE coating structure standard (μm) | Paint structure | 2/1 | outside | ≥25 | ||
| Inside | ≥7 | ||||||
| pencil hardness | Not less than HB | ||||||
| Specular Gloss of Topcoat | Glossiness of finish paint mirror surface: ≥40 degrees | ||||||
| T bend value | 2T | ||||||
| Impact energy | Not less than 9J | ||||||
| Neutral salt spray test | Greater than or equal to 1500h without bubbles | ||||||
| UVB-313 | greater than or equal to 700h | ||||||
| PPGI use environment | humidity | 20% to 90% | |||||
| temperature | Min -45°C, Max 43°C | ||||||
| unit ammonia | <30ppm | ||||||
| unit carbon dioxide | <7000ppm | ||||||
| unit oxygen | 21% | ||||||
| unit hydrogen sulfide | <5ppm | ||||||
