Hardman Double Bubble "Green-Label" Crystal Clear Epoxy 04004

Product Name

Hardman Double Bubble "Green-Label" Crystal Clear Epoxy 04004

Brief Description

The Hardman Double Bubble "Green-Label" Crystal Clear Epoxy 04004 is a two-component, room temperature curing epoxy adhesive renowned for its exceptional clarity, drying completely transparent like water. It is designed for strong, durable bonds and repairs where aesthetic appeal and invisibility of the adhesive are paramount. This solvent-free, self-leveling formula is packaged in convenient double packets for easy mixing and application, making it suitable for both intricate small jobs and general repairs.

Popular Applications & Uses

• Repairing printed circuit boards (non-corrosive to copper).
• Bonding and repairing optical fibers, lenses, and other optical equipment.
• Restoration and creation of jewelry and art objects.
• General household and industrial repairs requiring a clear, strong bond.
• Filling and covering scratches on various surfaces.
• Can be used as a coating or finishing compound.
• When fully cured, it can be drilled, sanded, tapped, and machined.

Industries that Commonly Use It

• Artist, Artisan: Ideal for jewelry making, sculpture repair, and various artistic and craft projects where a clear, strong bond is essential.
• LED/Electronics: Utilized for delicate repairs on printed circuit boards, optical components, and other electronic assemblies due to its non-corrosive nature and clarity.
• General Manufacturing: Employed for quick, on-the-spot repairs and bonding tasks in manufacturing settings where a transparent and durable adhesive is required.
• Prosumer: Popular among DIY enthusiasts and hobbyists for a wide range of home repairs, crafts, and small projects.
• Distributers & Resellers: Offered in various pack sizes, making it a staple product for industrial suppliers, craft stores, and online retailers.
• Engineering Services: Used in prototyping, repair, and assembly where precision bonding and optical clarity are critical.

Special and Unique Features

• **Crystal Clear Cure:** Dries completely transparent, making bonds virtually invisible.
• **Non-Corrosive:** Safe for use on sensitive materials like copper in printed circuit boards.
• **Solvent-Free Formula:** Can be applied over existing coatings without causing lifting or damage.
• **Self-Leveling and Blush-Free:** Ensures a smooth, even finish and effectively fills and covers scratches.
• **Convenient Double Bubble Packets:** Provides pre-measured components for easy mixing and minimal waste.
• **Long Shelf Life:** Maintains effectiveness for up to 2 years on the shelf.

Key Properties

• Working Time: 60 minutes.
• Time to Handling Strength: 8 hours.
• Bond Strength: 2,400+ psi (stronger than concrete).
• Viscosity (Mixed): 14,000 cps (like honey).
• Cured Color: Crystal Clear.
• Operating Temperature Range (Cured): -34°C to 71°C (-30°F to 160°F).
• Components: Two-part epoxy (Part A & B).

Surface Compatibility

Hardman Double Bubble "Green-Label" Crystal Clear Epoxy 04004 is recommended for bonding a wide range of surfaces, including:

• Stainless Steel
• Aluminum
• Other Epoxy Finishes
• Glass
• China
• Crystal
• Ceramics
• Wood
• Various other fine and delicate surfaces.

Known backups / known substitutes

While specific direct substitutes for the "Green-Label" 04004 are not explicitly listed as alternatives in the search results, general categories of substitutes would include other crystal clear, two-part epoxy adhesives. Examples of similar products or brands that offer clear epoxies for various applications include:

• West System Special Clear Hardener 207
• ProMarine Supplies Art Resin
• Araldite Translucent Rapid Adhesive Epoxy
• Other general-purpose clear epoxy adhesives from brands like J-B Weld (e.g., MarineWeld for clear applications) or PC Products (though PC-Concrete is gray, they have other epoxy lines).
• Hardman also offers other Double Bubble epoxies, such as the Blue-Label General Purpose Slow-Setting Epoxy (04005), which might serve as a substitute if the 60-minute work time of the Green-Label is not critical.

Comparison Note

The Hardman Double Bubble "Green-Label" Crystal Clear Epoxy 04004 stands out from many general-purpose epoxies primarily due to its exceptional, water-like clarity upon curing, which is a critical feature for aesthetic applications like jewelry, art, and optical repairs. Its 60-minute working time offers a good balance between sufficient repositioning time and a reasonable cure speed, unlike faster-setting epoxies that offer less flexibility or slower-setting ones that require longer clamping. The solvent-free, self-leveling, and blush-free properties contribute to a professional, high-quality finish without common epoxy drawbacks. While other clear epoxies exist, the combination of its specific properties, ease of use in pre-measured packets, and high bond strength makes it a preferred choice for applications demanding both performance and pristine appearance.