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6.0in Filter Paper (Grade 55)
Grade 55 Filter Paper is a high-performance, fast-filtering ash-grade paper designed for triaxial shear strength, flexible-wall permeability, and other soil testing procedures. It effectively prevents soil fines from migrating and blocks pores when used with porous stones.
6.0in (152.4mm) Filter Paper, Ahlstrom Grade 55 is comparable to Whatman Grade 54 and is recommended for various ASTM and AASHTO soil test methods. This high-purity paper is resistant to strong acids and alkalis, features enhanced wet strength, and has a smooth, durable surface free of loose fibers. With a 15µm retention and filtration speed of 220ml/min, HMA-776 pre-cut circular filters come in packs of 100 for convenient use.
Features:
- Strong resistance to acids and alkalis
- Equivalent to Whatman Grade 54
- Increased wet strength
- 220ml per minute filtration speed
Specifications
- Specimen Size: 6.0in (152.4mm)
- Grade: 55
- Flow Rate: 220ml/min
- Quantity: Package of 100