and high quality. Features: Excellent photographic performance and corrosion resistance. After screen printing or spraying, it can be completely dried at room temperature (30-35°C) for over 1 hour. Does not require baking for exposure, development, and etching, improving production efficiency. Color: Blue Weight: Approximately 100g Function: Metal anti-etching, anti-plating The blue paint must be diluted before use. This blue photoresist paint can replace dry film and is suitable for making PCB boards. Note: 1cm = 10mm = 0.39 inch Please allow 0-1cm error due to manual measurement. Due to differences in monitor displays, the actual color may vary from the image. Package includes: 1 bottle Photoresist Anti-etching Blue Ink Paint