Chemola™ Desco

Chemola™ Desco is one of the largest and oldest producers of valve lubricants, sealants and packing. The line also offers a variety of greases for a wide range of industrial applications.

Chemola™ Desco Silicone Pak Extra

Extreme Service Injectable Packing


Chemola™ Desco Silicone Pak Extra is a synthetic silicone-graphite sealant/packing formulated for applications with extreme temperature differentials where minimal thermal expansion is required. It can be used to energize seals and repair damaged seals.

Recommended Uses
Aliphatic hydrocarbons, crude distillates, crude oil, diesel fuel, hydrocarbon liquids, LPG, sour gas, sour crude, water (not potable), steam, mild acids and caustics.

Typical Characteristics

Appearance Black
Penetration (ASTM D217) 90-120
Base Oil Silicone oil
Base Oil Viscosity 60,000 cSt at 25°C
Base Oil Pour Point -40°F (-40°C)
Solids Content Graphite, synthetic fibers
Specific Gravity 1.5
Density (lb/gal) 12.5
Dropping Point (ASTM D566) >500°F (260°C)
Flash Point >500°F (260°C)
Temperature Range -70°F to 600°F (-56°C to 316°C)


Packaging Information

Item Number Unit Size   Quantity
0405016LT 1 1/2"x 18" 16 per box 
040516JBX “J” stick 1-3/8” x 8-1/2” 16 per box



Do Not Use On Oxygen Services.

Special packaging sizing available upon request.

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