Purge Protek is a super-absorbent powder with paraformaldehyde. Purge Protek helps to ensure that liquid does not reach unintended areas. Use Purge Protek in all orifices, incisions, cavities and inside plastics to preserve and disinfect decomposed tissue and absorb any liquid. Trinity Fluids Purge Protek will hold up to 40 times its weight in liquid.