TEADIT - ePTFE Products

ePTFE Products

Expanded PTFE is manufactured by expanding 100% virgin PTFE using a proprietary process that produces a uniform and highly fibrillated microstructure with equal tensile strength in all directions. The lightweight ePTFE exhibits characteristics significantly different than any other type of PTFE sheet manufactured. This sheet is much softer, more flexible, and easier to compress than skived or restructured PTFE sheets and thus conforms easily to irregular and rough surfaces. Even though the sheet is soft and easy to compress, when PTFE fibers are expanded in a controlled manner, they become extremely strong. These high strength, biaxially-oriented fibers make ePTFE the PTFE product with the lowest creep and cold flow. Therefore, ePTFE can be safely used in temperatures that might cause other styles of PTFE to creep, lose bolt load, and leak. Expanded PTFE gasketing products are available flat sheets, rectangular profile sheet-like gasket tapes, and form-in-place joint sealant.

TEADIT® 25BI CASE HISTORY

Filter leakage, due to surface irregularities between a lid and a fixed flange, caused contamination in a plant. This increased the risk for chemical burn injuries and corrosion of nearby equipment. The fragility of PVC flanges limited the ability to solve the problem by simply increasing the bolting torque on the flanges (i.e., increasing gasket seating stress).

PACKING STYLE TEADIT® 2773 CASE HISTORY

Pumping of abrasive fluids is one of the fundamental stages of the production process of a Sugar and Alcohol Plant. The use of low mechanical resistance packings in pumps means a greater number of packing replacements, affecting the plant productivity.

TEALON™ TF1580 CASE HISTORY

This equipment often suffered internal leakage and clogging of its channels due to the fragmentation of the original gasket, affecting its thermal performance. A skived PTFE gasket presents a fragile behavior when compressed by the fins of the heat exchanger. Steam injection was a frequent practice to maintain the required level of steam necessary for equipment operation, resulting in atypical operational cost of $225,000.00 every 6 months.

ePTFE Products

Sheets and Tapes

24B Joint Sealant

25BI ePTFE Tape

24SH ePTFE Gasket Sheet

EcoTape-LE