Dull Finish Zinc Plating - Full Guide 🌫️ Zinc Plating में Dull Finish क्यों आती है? Zinc plating ke baad agar part dull, matte ya cloudy finish mein aaye, to samajh jao koi na koi process glitch hai. Yahaan diye gaye steps se aap apne plating ko bright aur shining bana sakte hain. 🔍 Common Reasons for Dull Finish: ⚠️ Poor cleaning before plating ⚗️ Brightener additive ki kami ⚡ Over ya under current density 🌡️ Cold bath temperature 🧪 Iron/copper contamination in bath 🌀 Agitation proper nahi hai 🛠 Step-by-Step Practical Solution: Cleaning Sudharo: Alkaline degreasing + acid dip 100% proper ho. Brightener Level Check Karo: Required quantity add karo (supplier se confirm karo). Current Density Control Karo: Part size ke hisaab se Amp setting perfect rakho. Temperature Maintain Rakho: 24°C to 30°C range mein rakho. Bath Filtration & Cleaning: Regularly filter lagao aur impurities remove karo. Agitation Ensu...