Name: Dissolution Tester Filter Cartridge
Brand: BROLERN

Dissolution Tester Filter Cartridge

Custom to drawing or sample

Uniform pore distribution

Export packing

Manufactured in Shanghai by BROLERN with matched in-house tooling. Ratings, materials and dimensions are listed in the specification below — other geometries are available on request.

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BROLERN dissolution tester filter cartridges are made from UHMWPE - an ultra-high molecular weight polyethylene grade chosen for its very low adsorption and resistance to acid and alkali. The parts are formed by screening the powder, cold pressing, then controlled sintering with no binder or solvent, so the micro-pores are the natural voids between particles.

In a dissolution test, undissolved solids keep shedding from the tablet long after sampling. Filtering the sample protects the HPLC or spectroscopy result from those solids, shields the analytical instrument from blockage, and freezes the dissolution state the moment you draw the sample. Each rating is colour-coded as well as labelled, so grade swaps on the line are hard to get wrong.

Key specifications

Attribute	Detail
Material	UHMWPE (Ultra-High Molecular Weight Polyethylene) - low adsorption, acid & alkali resistant
Process	Powder screening - cold-press moulding - controlled sintering - shaping; no binder or solvent; pore size & porosity set by powder grade and pressing pressure
Filtration rating	Common 0.22, 0.45, 10, 35, 70 um; colour-coded by grade
Size range	Standard tube, closed bottom; OD 7.5 mm, ID 3.50-3.55 mm, length 16 mm; porosity >=35%, mean pore size +/-15%
Applications	Pharmaceutical dissolution testing (USP <711> / ChP 0931), HPLC / spectroscopy sample protection, instrument blockage prevention, medical & analytical instruments
Customization	Custom size / rating / colour per specification; sample quantities for validation