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MP² Harborlite

MP² Harborlite media is the preferred choice where a High Purity, direct replacement is needed for Food Grade Harborlite perlite filter aid. With the exception of the acid washing purification step, the MP² Harborlite perlite manufacturing process is similar to that of conventional Harborlite perlite filter aid. This similarity produces a media that minimises differences in filtration processes.

Studies show that after replacing Food Grade perlite filter aids with MP² Harborlite media, extractable impurities are significantly reduced (Table 1).

Table 1. Extractables expressed as mg/kg of filter aid extracted from 1-g samples incubated in 50-mL solutions. Solution: 0.1 N HCL. Incubation: 1h, manually stirred every 10 minutes.

MP² Harborlite media was developed as a pharmaceutical grade CGMP alternative to Food Grade perlite filter aids. MP² Harborlite media addresses the following CGMP needs that are unmet with Food Grade perlite filter aids:

• Regulatory Support

• Compendial standards

• Purity

• Manufacturing and process control

• Packaging

For information on our production facility, serving the pharmaceutical industry, see High Purity Filter Media.

Intended Use of MP² Harborlite Media

MP² Harborlite media is intended for solid-liquid separation in conjunction with a pressure or vacuum filtration system. MP² Harborlite media is available in a wide range of permeabilities.

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