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Wall Putty Formulation: Ingredients, Process & Plant Setup
Cement-based wall putty is a fine white dry mix applied over plaster to give a smooth, crack-free base for paint. Quality depends on the white cement content, filler fineness, water retention and polymer modification.
Wall Putty ingredients and their role
| Ingredient | Function |
|---|---|
| White cement | Binder for hardness and adhesion to plaster |
| Calcite / dolomite powder (fine mesh) | Main filler; controls whiteness, smoothness and sanding |
| Hydrated lime (optional) | Improves workability and whiteness |
| HPMC / MHEC cellulose ether | Water retention so the putty does not dry before it cures |
| Redispersible polymer powder | Adhesion, flexibility and reduced cracking |
| Starch ether | Thickness build and anti-sag |
| Water repellent (metal stearate or silane powder) | Water-resistant grades |
The full wall putty formula with percentages, raw material costing, troubleshooting and supplier specs is available on ChemForm Pro.
Get the complete Wall Putty formulaManufacturing process
- Check incoming white cement and calcite for whiteness and mesh size.
- Pre-blend the small additives with part of the filler.
- Charge cement, filler and pre-blend into the mixer.
- Mix until uniform; avoid overmixing that heats the batch.
- Pack in 20, 30 or 40 kg bags; run QC on each batch.
Machinery required
- Ribbon or plough-share mixer
- Bucket elevator / screw conveyor
- Weighing scales
- Bag filling and stitching machine
Quality control tests
- Whiteness
- Water retention
- Adhesion (pull-off) on plaster
- Sanding ease and surface finish
- Water absorption for water-resistant grades
Frequently asked questions
Why does wall putty crack?
Usually too little water retention or polymer, too thick a coat, or the plaster was dry and not pre-wetted.
What mesh calcite is used for wall putty?
Fine grades are used so the cured surface sands smoothly; coarser filler gives a rough finish.
वॉल पुट्टी बनाने का फॉर्मूला (Wall putty banane ka formula)
वॉल पुट्टी व्हाइट सीमेंट, कैल्साइट पाउडर, HPMC और पॉलिमर पाउडर का मिश्रण है जो प्लास्टर पर पेंट से पहले चिकनी सतह देता है। पूरा फॉर्मूला, मात्रा और लागत ChemForm Pro पर उपलब्ध है।