Leather Tanning
Industrial mineral solutions — PT Wira Energi Utama, North Sulawesi
Leather Tanning Overview
The leather tanning industry uses hydrated lime in the early stages of raw hide processing to remove hair and unwanted proteins.
Products Used
Digunakan dalam proses liming/unhairing drum
Role of Limestone / CaCO3 in Leather Tanning
Hydrated lime drastically raises hide pH, causing swelling to facilitate tannin penetration and hair root removal.
Technical Requirements
| Parameter | Value / Standard |
|---|---|
| Ca(OH)2 | > 92% |
| Fe2O3 | < 0.1% |
| Mn | < 0.05% |
| Solubility | High Slaking Rate |
Process Integration
- 1
Soaking
Kulit mentah dicuci untuk menghilangkan garam dan kotoran.
- 2
Liming
Kulit direndam dalam larutan kapur dan natrium sulfida selama 12–24 jam.
- 3
Unhairing
Bulu yang sudah lepas dibuang secara mekanis.
- 4
Deliming
pH kulit diturunkan kembali menggunakan asam lemah sebelum tanning.
Industry Pain Points
Kandungan besi (Fe) tinggi meninggalkan noda gelap yang tidak bisa hilang pada kulit premium
Kapur kasar merusak tekstur permukaan (grain) kulit selama putaran drum
Optimize Your Leather Tanning Supply Chain
Consult your specific industrial technical and logistics requirements with PT WEU experts for maximum operational efficiency.
PT WEU Value Proposition
Our hydrated lime passes through magnetic filters to ensure minimal iron, guaranteeing export-quality Grade A tanned leather.
Production Capability
- Crusher Capacity
- 250 TPH
- Monthly Output
- 150,000 MT
- Operations
- 24/7
- IUP OP Area
- 97.05 Ha
Use Case Simulation
Penyamakan kulit di Sidoarjo melaporkan penurunan cacat "grain damage" hingga 8% setelah beralih ke kapur padam ultra-halus PT WEU.
FAQ
Apakah kapur PT WEU kompatibel dengan enzim unhairing modern?
Related Industrial Exploration
Core Products
Logistics & Export
Business Support
Ready to Scale Your Leather Tanning Operations?
Our technical team is ready to help you select the right mineral specification for your industrial process.
150K MT
/month capacity
250 TPH
Crusher Plant
Export
Ready Port Bitung