Sodium bentonite for foundry
The product has high montmorillonite content, high reusability, high temperature resistance, good thermal stability, high strength, good air permeability, and enhanced sand strength.
Key words:
Key words:
Bentonite mining, cat litter
Classification:
Sodium bentonite for foundry
Product Description
Features:The product has high montmorillonite content, high reusability, high temperature resistance, good thermal stability, high strength, good air permeability, and enhanced sand strength.
Role:In mechanical manufacturing, it can be used as a casting sand binder, which can overcome the "sand" and "peeling" phenomenon of castings, reduce the scrap rate of castings, and ensure the accuracy and smoothness of castings.
Technical index of casting sodium bentonite
| Test Items | LT-ZZ-1 | LT-ZZ-2 | LT-ZZ-3 |
| Blue absorption (g/100g) | ≥37 | ≥36 | ≥ 35 |
| Swelling value (ml/3g) | ≥90 | ≥90 | ≥85 |
| Wet compressive strength (Kpa) | ≥ 125 | ≥ 120 | ≥ 110 |
| Hot-wet tensile strength (Kpa) | ≥ 3.5 | ≥ 3.5 | ≥3 |
| Particle size (0.075mm)(%) | ≥90 | ≥90 | ≥90 |
| Swell index (mI/2g) | ≥22 | ≥ 20 | ≥ 18 |
| PH value | 8-12 | 8-12 | 8-12 |
| Moisture | ≤ 12 | ≤ 12 | ≤ 12 |
The inspection basis is JB/T9227-2013 bentonite for casting.
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