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Green semi-solid retaining compound in a 19g stick

Loctite

Loctite 640470 Retaining Compound 668 Series Green Semi-Solid 19g Stick

SKU CH-N8M5-BAT09

Green semi-solid retaining compound in a 19 g stick fills gaps up to .005 in on steel, cures in one day to 2,610 psi shear strength and withstands -65 to 400 °F

  • No-drip application with semi-solid stick format
  • Fills gaps up to .005 in for secure steel bonds
  • Withstands -65 to 400 °F operating range
  • Achieves 2610 psi shear strength after full cure
  • 10-minute working time allows precise positioning

Retaining Compound 668 Series

Loctite 640470 is a green semi-solid retaining compound supplied in a 19g stick. It is designed for bonding cylindrical steel assemblies where a no-drip application is required. The methacrylate ester base develops a shear strength of 2,610 psi after full cure.

Gap Fill and Temperature Limits

The compound fills gaps up to .005 in and provides a working time of 10 minutes for assembly adjustments. It operates continuously between -65 Degrees F and 400 Degrees F, reaching full cure in 1 day. A primer is required on inactive surfaces to ensure reliable performance.

Stick Format and Clean-Up

The semi-solid stick format allows direct, controlled application without the mess of liquid anaerobic bottles. Clean-up is completed using solvent and a wire brush before the adhesive cures. The product carries California Proposition 65 warnings for cancer and reproductive harm.

How it compares

Measured against everything we stock in Caulking & Sealing Supplies, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 76% of the 631 comparable items (median $16.99).

Specifications

Product
Brand nameLOCTITE

Questions about this item

Which container size should I choose for a small repair job?

The 19 g stick supplies .7 oz of semi‑solid compound, enough for several small‑gap assemblies without waste.

What does the 610 psi shear strength mean when the part is in service?

After full cure the bond resists 2,610 psi of shear load, so a properly prepared steel joint will hold typical shaft‑to‑hub stresses.

Does the methacrylate ester base require a primer on steel, and what gap does it fill?

Yes, primer is required on steel, and the compound fills gaps up to .005 in while curing in 10 minutes working time.

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