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Loctite®

Loctite Sealants, 598 Black High Performance RTV Silicone Gasket Makers

Item # shown once options are selected Made in USA
$24.53 - $271.60

The Loctite 598 Black High Performance RTV Silicone Gasket Makers is a sealant. Capacity volume 190 mL, 70 mL, 300 mL; min temperature -75 °F, -75° F; max temperature 625 °F, 625° F. Available in 3 versions. Sold by the pack size.

Specifications

ItemLoctite data
ColorBlack
Capacity Volume190 mL; 70 mL; 300 mL
Min Temperature-75 °F; -75° F
Max Temperature625 °F; 625° F
ResistanceMost Chemicals; Solvents
Chemical CompoundSilicone
Fix Cure Time @ Temp.30 min @ 77 °F; 30 min @ 77° F
Flexibility301-1000% - Super Flexible; 301 to 1000% - Super Flexible
Gap Fill1/4 in
HazmatYes
Length2.5 in; 3.8 in; 1.85 in
Width1.8 in; 7.95 in; 2.6 in
Height11.4 in; 1.45 in; 9.1 in

Source: Loctite published product data.

Loctite 598 is a black RTV silicone gasket maker with a fast-curing, low-odor formula that resists auto and shop fluids and stays flexible from -75 F to 625 F. It comes in 70 mL and 300 mL tubes or a 6.42 oz power can.

  • Fast-curing formula
  • Sensor-safe, low odor, and non-corrosive
  • Retains high flexibility, oil resistance properties
  • Resists auto and shop fluids and vibration
  • Enhances load bearing and shock absorbing characteristics of the bond area

Available in 3 versions. Choose one from the list to see the exact item number and price.

Pack size varies by version

6.42 oz Power Can · single: 6 pieces per case

300 mL Cartridge · single: sold individually

70 mL Tube · single: sold individually

The price shown is for the full unit of the version you pick; quantity 1 = 1 unit.

Item Numbers

Variant item numbers:

743518 – 6.42 oz Power Can · single
234609 – 70 mL Tube · single
135508 – 300 mL Cartridge · single

Adding to cart… The item has been added
Sold by the pack size
Specifications
ColorBlack
Capacity Volume190 mL; 70 mL; 300 mL
Min Temperature-75 °F; -75° F
Max Temperature625 °F; 625° F
ResistanceMost Chemicals; Solvents
Chemical CompoundSilicone
Fix Cure Time @ Temp.30 min @ 77 °F; 30 min @ 77° F
Flexibility301-1000% - Super Flexible; 301 to 1000% - Super Flexible
Gap Fill1/4 in
HazmatYes
ApplicationsSealing
Made in USAYes
Shipping & returns

For confirmed in-stock items, please allow 1–2 business days for order processing, followed by an additional 2–5 business days for ground shipping. The total estimated time from order placement to delivery is 3–7 business days. Regular shipping rates apply; Contractor Direct orders ship free. Most items can be returned within 30 days in new, resalable condition; respirators, filters and other hygiene items are final sale. Shipping policy · Returns policy

Loctite Sealants, 598 Black High Performance RTV Silicone Gasket Makers$24.53+

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