Check Seal™

Check Seal™ provides an array of products for online leak protection. This line offers both curing and non-curing sealants and packing.

Check Seal™ 38P Versi-Pak

Teflon Packing/Sealant

Check Seal™ 38P Versi-Pak is a pumpable packing compound containing TFE-fluorocarbon particles blended into a synthetic binder. It can be either pre-formed manually or pumped into place with a high pressure (10,000 psi) grease gun. Versi-Pak is chemically stable and resistant to most chemicals over a wide pH range. It is a highly versatile and durable self molding packing used for stuffing boxes and for all types of valves, pumps and mechanical equipment.

Typical Characteristics

Applications Alkalis, butane, gasoline, hydrofluoric acid, natural gas and propane
CAUTION: PTFE exposed to temperatures above 500°F generate free fluorine gas.
Note: For chemicals, refer to compatibility chart  
Temperature Range  -60°F to 500°F (-51°C to 260°C)
Limitations  Should not be used at temps over 500°F (260°C) as PTFE can generate toxic fluoride compounds
Appearance Off-white grainy sticks or paste
Penetration (ASTM D217) 40-80
Specific Gravity 1.5
Density (lb/gal) 12.6
Injection Characteristics 2000 psi, flows adequately at higher pressures
Cure Non-curing
Long Term Changes Some loss of carrier with pressure and temperature; reinjection may be required
Storage Keep in dry area


Packaging Information

Item Number Unit Size   Quantity
CS0815001PL 5/8” x 4" plugs  10 per pouch
CS0815010BP 12 lb  
CS081516JBX 100J-12, “J” stick 1-3/8” x 8-1/2" 16 per box


Do Not Use On Oxygen Services.

Special packaging sizing available upon request.

More Non-Curing