Multi-Purpose Filter Cartridges for Applications Involving Boiler Water Systems
Encore string wound filter cartridges are for the cost-efficient, high-efficiency filtration of fluids. They are available in premium cotton, standard cotton, premium polypropylene, natural cotton, or general-purpose polypropylene filter media and come in retention ratings from 1 – 200 µm.
Minimum Batch Volume
0.05 L
Filter Grades: 1, 3, 5, 10, 20, 25, 30, 40, 50, 75, 100, 200 µm
Materials of Construction
Filter Media: Bleached FDA-listed cotton, standard cotton, natural cotton, FDA-listed polypropylene, standard polypropylene
Material Selection Guide
| Filter Medium | Premium Cotton1 | Standard Cotton | Natural Cotton | Premium Polypropylene1 | Standard Polypropylene |
Maximum Temperature
| Electrolytic Tin Plated Steel Core | 300°F (149°C) | 300°F (149°C) | 300°F (149°C) | 275°F (135°C) | 275°F (135°C) |
| Stainless Steel Core | 300°F (149°C) | 300°F (149°C) | 300°F (149°C) | 275°F (135°C) | 275°F (135°C) |
| Polypropylene Core | 140°F (60°C) | 140°F (60°C) | 140°F (60°C) | 140°F (60°C) | 140°F (60°C) |
Compatibility with:
| Food | Excellent | NR | NR | Excellent | NR |
| Beverages | Excellent | NR | NR | Excellent | NR |
| Potable Water | Excellent | NR | NR | Excellent | NR |
| Organic Solvents | Excellent | Excellent | Excellent | Good | Good |
| Oils | Excellent | Excellent | Excellent | Fair | Excellent |
| Organic Acids | Good | Good | Good | Excellent | Excellent |
| Alkalis | Good | Good | Good | Excellent | Excellent |
| Oxidizing Agents | Fair | Fair | Fair | Good | Good |
| Steam | NR | NR | NR | Fair | NR |
| Strong Inorganic Acids | NR | NR | NR | Excellent | Excellent |
| Dilute Inorganic Acids | Fair | Fair | Fair | Excellent | Excellent |
| Micro-organism Resistance | Poor | Poor | Poor | Excellent | Excellent |
1 - FDA-listed materials. NR = Not Recommended
