Loctite
Loctite 1691005 Epoxy Adhesive 330 Series Gray 250 mL Syringe
Two-part epoxy adhesive in a 250 mL syringe bonds ceramic, metal, plastic and wood with a 5 minute functional cure
- TypeSealing Compound
- Functional cure in 5 minutes for fast assembly
- Bonds ceramic, metal, plastic and wood for versatile repairs
- Impact-resistant formulation withstands mechanical shock
- Medium-to-high viscosity 45 000 to 90 000 cps controls flow on vertical surfaces
- Withstands temperatures up to 250 °F for demanding environments
Two-Part Epoxy for Multi-Material Bonding
Loctite 1691005 is a 330 series acrylic adhesive supplied in a 250 mL syringe. The two-part reactive formula bonds ceramic, metal, plastic and wood for general-purpose structural repairs. It achieves a functional cure in five minutes and withstands temperatures up to 250 degrees Fahrenheit.
Syringe Dispensing and Viscosity Range
The syringe container allows direct application without external mixing equipment thanks to the no-mix ratio design. Viscosity spans 45,000 to 90,000 cps, giving a medium to high thickness that resists sag on vertical surfaces. The cured joint is impact resistant and rated for both interior and exterior exposure.
NSF-Listed Formula with VOC Disclosure
The adhesive meets NSF standards for regulated environments. VOC content is 18.4 grams per litre and the product carries a California Proposition 65 warning for reproductive harm. Low odour is not claimed, so ventilation is advised during use. No additional nozzles or mixing accessories are included in the package.
Highlights
- Functional cure in 5 minutes for fast assembly
- Bonds ceramic, metal, plastic and wood for versatile repairs
- Impact-resistant formulation withstands mechanical shock
- Medium-to-high viscosity 45 000 to 90 000 cps controls flow on vertical surfaces
- Withstands temperatures up to 250 °F for demanding environments
Specifications
| Type | Sealing Compound |
|---|---|
| Brand | LOCTITE |
Questions about this item
What viscosity range does the 330 Series epoxy cover in practice?
The adhesive delivers a working viscosity between 45,000 and 90,000 cps, giving a medium-to-high consistency that resists sag on vertical surfaces.
What size syringe and nozzle format does the 250 mL pack use?
It comes in a 250 mL syringe designed for direct dispensing; the two-part reactive system requires no separate mixing nozzle or external mixer.
How do you apply the no-mix formula and what step is commonly missed?
Dispense the single-component adhesive directly from the syringe; the step often missed is allowing the full 5-minute functional cure before loading the joint.
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