DongCheng DCPJ12 (Type AK) 12V MAX Cordless Caulking Gun

The DongCheng DCPJ12 12V MAX Cordless Caulking Gun is a high-performance battery-powered sealant applicator designed for smooth, consistent, and professional-grade dispensing. With a powerful 3400N pushing force and adjustable feed speed, it ensures precise control for construction, glazing, plumbing, and renovation work.

Designed to handle 300ml cartridges, this cordless caulking gun improves efficiency, reduces hand fatigue, and delivers uniform bead application for superior finishing results.

🔧 Technical Specifications

• Model: DCPJ12 (Type AK)

• Voltage: 12V MAX

• Battery Configuration: 2×2.0Ah Lithium-Ion

• Maximum Pushing Force: 3400N

• Feed Speed: 0–12.9mm/s (Variable Speed Control)

• Stroke Length: 213mm

• Sealant Type: 300ml Cartridge

• Net Weight: 1.85kg

• Speed Control: Adjustable

🏗 Applications

The DCPJ12 is ideal for:

🏠 Home Improvement

• Bathroom & kitchen sealing

• Window frame sealing

• Tile joint applications

• Small renovation jobs

🏢 Professional Construction

• Glass installation

• Waterproofing projects

• Curtain wall sealing

• Industrial adhesive applications

🚿 Plumbing & HVAC

• Pipe sealing

• Joint insulation

• Silicone application

▶ How to Use

1. Insert a fully charged 12V battery.

2. Pull back the push rod.

3. Insert a 300ml sealant cartridge securely.

4. Adjust feed speed based on material thickness.

5. Press trigger for smooth dispensing.

6. Release trigger to stop immediately.

7. Remove battery after use for safety.

⚠ Safety Guidelines

• Always wear gloves and protective eyewear.

• Ensure cartridge is properly installed before use.

• Do not exceed recommended cartridge size (300ml).

• Clean nozzle immediately after application.

• Store in dry place away from moisture.

🌟 Key Benefits

✔ Powerful 3400N Thrust for Thick Sealants
✔ Adjustable Speed for Precise Bead Control
✔ Cordless Operation for Maximum Portability
✔ Compatible with Standard 300ml Cartridges
✔ Lightweight (1.85kg) for Reduced Fatigue
✔ Consistent & Professional Finish

📦 Accessories Included

• Battery Charger

• 2 × 2.0Ah Lithium-Ion Battery Packs

• Plastic Carrying Case