Product Overview & Key Features
21V Cordless LED Glass Glue Gun – Professional Sealant & Adhesive Tool
Experience precision and power with the Guangcai 21V Cordless LED Glass Glue Gun, a high-performance, battery-powered tool designed for professional sealing and adhesive applications. Equipped with an LED light for enhanced visibility and a 250kg maximum pressure capability, this 300ml capacity glue gun effortlessly dispenses glass glue, silicone, and other high-viscosity sealants. The 50mm glue stick diameter compatibility and cordless lithium-ion design ensure smooth, continuous operation without the hassle of power cords, making it ideal for construction, automotive, and DIY projects.
- LED Illumination: Built-in LED light improves visibility in low-light conditions, ensuring precise glue application.
- 21V Lithium Battery Power: Cordless operation with rechargeable 10-cell lithium battery packs for uninterrupted workflow.
- High Pressure & Capacity: Handles 300ml glue volume with 250kg maximum pressure for strong, durable seals on glass, tiles, and metal surfaces.
- 50mm Glue Stick Compatibility: Designed for standard 50mm diameter glue sticks, suitable for a wide range of sealants and adhesives.
- Global Plug Options: Available with EU, US, and UK plug chargers to meet international market standards.
- Compact & Portable: Lightweight and ergonomic design, packaged in a 40.5×23.5×9cm box for easy storage and transport.
Technical Specifications
| Specifications | Detail Value |
|---|---|
| Power Type | Rechargeable Lithium Battery |
| Voltage | 21V |
| Applicable Glue | Glass Glue, Silicone Sealant, etc. |
| Glue Stick Diameter | 50mm |
| Glue Capacity | 300ml |
| Max Pressure | 250kg |
| Package Size | 40.5×23.5×9 cm |
| Warranty | 6 Months Warranty |
| Available SKUs | Bare Tool / 1-Battery Kit / 2-Battery Kit |
Applications & Scope of Use
- Glass & Mirror Installation: Sealing edges of glass panels, mirrors, and shower enclosures.
- Tile & Grout Work: Applying silicone sealant for bathroom tiles, kitchen backsplashes, and floor grouting.
- Automotive Repair: Windshield sealing, headlight assembly, and interior trim bonding.
- Construction & DIY: Sealing windows, doors, and metal structures in residential and commercial projects.
- Electronics & Appliances: Waterproof sealing for electrical enclosures and appliance components.
Why Choose Us?
- Factory-Direct Pricing: Source directly from our Jiangsu Nantong factory for competitive B2B wholesale prices with high profit margins.
- Global Compliance: Chargers available in EU, US, and UK plug standards, ensuring seamless market entry and compliance.
- Flexible Packaging Options: Choose between bare tools (no battery) for cost savings or 1-battery/2-battery kits with chargers in sturdy packaging.
- OEM/ODM Customization: Support custom branding (logo printing), color variations, and tailored packaging for bulk orders.
FAQ
Q1: What types of glue can this gun handle?
EN: It is compatible with glass glue, silicone sealant, and other high-viscosity adhesives (e.g., construction glue, PU glue). The 50mm diameter design ensures broad compatibility.
Q2: What battery and charger options are available?
EN: We offer bare tools (no battery), 1-battery kits (10-cell), and 2-battery kits with chargers. Chargers are available in EU, US, and UK plug types.
Q3: What is the maximum pressure this glue gun can handle?
EN: The glue gun delivers a maximum pressure of 250kg, making it suitable for high-strength sealing applications on glass, metal, and tiles.
Q4: Can I order this with custom branding or packaging?
EN: Yes! We support OEM/ODM services, including logo printing on the tool, custom colors, and personalized packaging for bulk orders.
Q5: How long does the battery last on a full charge?
EN: A 10-cell battery pack typically lasts 40–60 minutes of continuous use per charge, depending on glue viscosity and pressure settings.



