In order to meet the needs of innovative and rapidly developing industries and customer customization, Loongfiltech provides collaborative services involving a team of dedicated engineers and experts, committed to developing tailor-made dedicated filtration system solutions with good performance, covering a wide range of From small-scale laboratory fluid filtration systems to large-scale fine chemical industry fluid filtration systems with thousands of tons per day.

Our center lab, including microbiological lab and physical chemistry lab，can provide validation services, and meet the unique needs of customers' requirement of unique liquid filtration solution and related authority file.

Confirm the correlation of integrity test values which were gotten using both standard and process liquid conditions.

Include Survival test, Flushing test, Bacterial challenge test.
According to ASTM F838 methodology, checking bacterial retention capability of membrane or filter at a minimum concentration of 107cfu/cm2 of filter surface area, under simulated process conditions.

Different raw material or concentration composition of drug, different operating conditions and technological process, may change membranes or filters' structure.
Ensure the compatibility of filter and process liquid.
Ensure the reliability of filter in process condition.
Provide supportive data for filter selection.

Identification the chemical components that migrate from membranes or filters into a drug product or process liquid in proper solvents in worst case. It indicates maximum possibility of chemical components migrating from membranes cartridges.

Check the adsorption ability of filter media in liquid filtration process.

Confirm retention capacity of cartridges in normal process or simulated conditions after multiple use process.

Provide the filter cleaning method for the used filter.

According to ASTM F838 methodology, checking bacterial retention capability of membrane or filter at a minimum concentration of 107cfu/cm2 of filter surface area, under simulated process conditions.

Carry out particle retention experiment. Determine the retention ratio for specific size.

Identification the chemical components that migrate from membranes or filters into a drug product or process liquid in proper solvents in worst case. It indicates maximum possibility of chemical components migrating from membranes cartridges.

Determine the membrane or filter whether or not can be used for specific process liquid.

Recommend suitable integrity test method for medical filter.

According to ASTM F838 methodology, checking bacterial retention capability of membrane or filter at a minimum concentration of 107cfu/cm2 of filter surface area, under simulated process conditions.

Identification the chemical components that migrate from membranes or filters into a drug product or process liquid in proper solvents in worst case. It indicates maximum possibility of chemical components migrating from membranes cartridges.

Recommend suitable integrity test method for filter in Food / Beverage filtration process.

Evaluate the durable ability by the change of filter after chemical or hot water treatment.

Evaluate the lifespan of filter by change of the flow and pressure parameters in the process of using.

Taste and evaluate the liquid after filtration process.