The Filtration Systems tubular ultrafilter consists of a PVC housing and a PVDF membrane tube. The feed solution must be compatible with both components. Listed below is the chemical compatibility of the membrane tube.

Under normal operating conditions the tubular ultrafilter will operate at a pH of 2-11 and a temperature of 40-120F.

Acceptable Chemical List

The following chemicals have no significant impact on membrane properties.

• q Aromatic hydrocarbons
• q Organic salts
• q Alcohols
• q Organic Acids
• q Ethers
• q Cellosolves
• q Alkali
• q Salts
• q Buffers
• q NaOCl < 200 PPM
• q H202 < 0.5%
• q Phenols
• q Inorganic Acids
• q Olive oil

Unacceptable Chemical List

The following chemicals will damage or dissolve the membrane.

• q Aprotic solvents
• q Ketones
• q Esters
• q Chlorinated Solvents
• q Aldehydes
• q Silcones
• q Amine