Detailed product description
Starbond Heavy Thin CA Glue EM-40 Super Glue
Starbond Heavy Thin CA Glue EM-40 is a medium-thin “finishing” super glue used for final wood surface finishing. It is easier to use than Starbond Super Fast Thin EM-02, as it is less watery. This thin super glue has a slightly thicker viscosity than EM-02 but is still thin enough to penetrate most cracks, fractures, joints, wood pores, and metal inlays.
Starbond EM-40 Heavy Thin is very popular for achieving high-gloss wood finishes. Applying multiple coats, sanding, and polishing create a waterproof seal on wood.

Key Features of Heavy Thin CA Glue EM-40
- Viscosity: 40 cPs (similar to olive oil). Penetrating capabilities up to 0.01 mm
- Bonding time: 5-10 seconds
- When properly stored, the product can last for several years in a cold environment
- Be sure to store the bottle at 4 °C (40 °F) before and after use to achieve a 20-month shelf life after opening
- Excellent for beautiful wood finishes, hobby models, fossil preparation, metallic powder inlays, stabilizing, and bonding close-fitting parts. It penetrates the finest micro-fractures, pores, and cracks in various materials

Compatible Materials
- Wood
- Metal
- Rubber
- Leather
- Ceramics
- Gemstones
- Stone and Minerals
- Carbon Fiber
- Fiberglass
- Most Plastics
Uses of Starbond Heavy Thin CA Glue EM-40
- Repairing and filling cracks, inclusions, voids, and knots in wood
- Creating a hard, clear, and waterproof layer
- Stabilizing and impregnating guitar parts
- Installing bindings and purflings on stringed instruments
- Gluing and repairing inlays on guitar headstock, body, and fretboard
- Making pens
- Gluing balsa wood for model airplanes
- Metal and turquoise inlays
- Creating and repairing jewelry
- Repairing ceramics, quartz, granite, and marble
- Bonding fiberglass to almost any material
- Gluing dumbbell eyes, large streamers, and big foam flies in fishing
- Related files (1)
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Starbond EM-40 Starbond Heavy Thin SDS (633.4 kB)
Related product downloads Starbond Heavy Thin CA Glue, EM-40
Starbond Gap Filling CA Glue Review
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