myMectronic
myMectronic

A Premier B2B Part Search

LOCTITE 598040ML Silicone Gasket Maker

Loctite SI 5980 is a one-component, black, thixotropic silicone gasket maker designed for automotive applications such as stamped sheet metal covers and oil sumps. It offers excellent oil resistance, high joint flexibility, and resistance to engine oils, with room temperature curing to form a durable, flexible seal. Its fast tack-free time of 15-45 seconds and a cure time up to 7 days ensure reliable sealing performance. This product withstands temperature variations and humidity, making it ideal for demanding engine and automotive gasketing. It provides a depth of cure up to 10 mm and exhibits high tensile strength and elongation, ensuring long-term durability under pressure and movement.

Authorized Distributors
Source:Newark
Part No:5980, 40ML
Stock:8
Inv Date:06-20-2026
Price: Unit price: $10.08
Buy/RFQ:

LOCTITE 598040ML Silicone Gasket Maker Specifications:

  • Appearance (uncured): Black paste, lump-free
  • Density @ 25 °C: 1.2 to 1.46 g/cm³
  • Solids Content: 99.75%
  • Tack Free Time: 15 to 45 seconds
  • Shear Strength Development at 22 °C: Varies with cure time
  • Cure Time: Up to 7 days for full cure
  • Physical Properties: Shore Hardness A 27, Elongation 290%, Tensile Strength 230 psi
  • Coefficient of Thermal Expansion: 240x10^-6 K^-1
  • Volume Shrinkage: 3.0%, Linear Shrinkage: 1.0%
  • Electrical Resistivity (after aging): Surface resistivity 2810 Ω, Volume resistivity 50x10^14 Ω·cm
  • Adhesion: Strong bonding to metals like aluminum, steel, and copper
  • Temperature Resistance: Suitable for use in environments up to 200°C
  • Chemical Resistance: Resists motor oils, IRM 902, glycol/water mixes
  • Storage: Store at 8°C to 21°C; avoid freezing or excessive heat

Buy the Loctite Series SI 5980 Silicone Gasket: 598040ML

Purchase Loctite Series SI 5980 silicone gasket maker now for superior automotive sealing performance. Its excellent oil resistance, flexibility, and quick tack-free time offer long-lasting durability in demanding engine environments. Easy to apply and cure at room temperature, it bonds well to metal surfaces like aluminum and steel. Ensure your vehicle’s engine components are sealed tightly against leaks, withstand temperature fluctuations, and resist chemicals. Buy online today and get professional-grade gasketing that guarantees durability and performance in critical automotive and industrial applications.

Order your Loctite Series SI 5980 silicone gasket maker today and ensure reliable, high-quality seals for automotive and industrial applications.

Frequently Asked Questions

Where can I buy LOCTITE 598040ML?

You can click on the BUY or RFQ button to purchase 598040ML from an authorized LOCTITE distributor.

How do I troubleshoot issues or seek technical support for part 598040ML?

You can download the 598040ML datasheet or visit the LOCTITE website for support.

Who is the manufacturer of 598040ML?

LOCTITE

LOCTITE Part List

Browse and search other LOCTITE parts, locate datasheets and stock

Sponsored by