LOCTITE 518 Medium Strength Anaerobic Flange Sealant​

Basic Properties

LOCTITE 518 is a one-component red gel-like acrylic sealant (dimethacrylate ester) with thixotropy and UV fluorescence. It cures anaerobically when confined between metal surfaces, provides immediate low-pressure sealing, fills gaps up to 0.25mm, and tolerates minor contamination from cutting/lubrication oils.

Core Characteristics

It bonds to both active (e.g. grit-blasted steel) and passive substrates (low-copper aluminum), forming a medium-strength seal. Key advantages include instant pressure resistance (1.35 MPa @ 0.05mm gap) and reliable curing with surfactant-containing cleaner residues.

Key Performance Data

Typical mechanical properties after 24h cure @23°C:

Chemical Resistance:​

Application Scenarios

Designed for rigid metal flange sealing in:
Automotive: Gearbox casings, engine block flanges
Industrial: Hydraulic flanges, compressor covers, gearbox joints

FAQ

1. Who are we?

We are Shenzhen Huazhisheng New Material Technology Co., Ltd., a professional industrial adhesives and sealants supplier based in China since 2018. we serve global markets: Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).

2. What products do you offer?

we supply high-performance adhesives and sealants from global leaders including:

Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive,etc.

3. How do you guarantee product quality?

Quality assurance through:

Mandatory pre-production samples approval

Final inspection by QC team before shipment

International certifications: SGS, UL, FDA, RoHS, REACH

4. Why choose us over other suppliers?

Reliable Supply:Authentic products from top manufacturers

Expert Support:Technical guidance for product selection

Global Compliance:Certifications meeting target market standards

Efficient Service:Customized solutions & professional support

5. What services do you provide?

Delivery​:EXW/FOB/CIF

Payment​:USD/EUR/CNY/HKD via T/T, L/C

Support​:Technical consultation & logistics coordination