Type: Neutral cure silicone — That’s important. Unlike “acetic” silicone, neutral cure won’t corrode metals and has very low odor. Safe for aluminum, glass, coated steel, concrete.
Use case: 耐候 = weatherproof/weather-resistant. This is exterior-grade sealant for curtain walls, aluminum windows, expansion joints, roofing sheets, and facade panels. It handles UV, rain, and temperature swings
Format: Sausage pack = 590ml or 600ml bulk tube. You load it into a bulk caulking gun, not the small 300ml cartridge guns. Used by pros for big jobs because it’s cheaper per meter and less waste