Recycled Concrete Aggregate (RCA) Production: Low-Fines Jaw Crusher Configuration
Meeting EN 12620:2002 Specifications Consistently
Producing premium RCA requires <15% fines content. OCP’s low-fines jaw crusher achieves 12-14% fines through:
Eccentric shaft speed control (210-240 rpm)
Chamber optimization reducing retention time
Interparticle crushing minimizing direct impact
Downstream air classification integration
RCA Quality Enhancement System
[Flowchart: Demolition → Presorting → Magnetic Sep → OCP Jaw → Wind Sifter → Stockpile]
Key Components:
Electro-permanent overband magnet
Lightweight separator removing wood/plastics
Dual-shaft shredder pre-processing
Moisture control system
Certification-Ready Output
| Parameter | OCP Output | Specification Limit |
|---|---|---|
| Fines (-0.075mm) | 13.2% | ≤15% |
| Flakiness Index | 18 | ≤35 |
| Sulfate Content | 0.8% | ≤1.0% |
| Chloride Content | 0.04% | ≤0.10% |
Get Your RCA Sample Tested Free
Mail 50kg of demolition waste – we’ll process and return certified aggregate + report. Chat for address.
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