ComStar Copper Lock, No Heat Solder for Copper & Brass Pipes, Instant Leak-Proof Seal Up to 500 PSI, Handles All Refrigerants, Withstands -60°F to 300°F, 2 oz Bonding Solution for HVAC (10-800)

Innovative, Reliable, and Heat-Free Pipe Bonding Solution

Upgrade your HVAC or plumbing projects with this groundbreaking no-heat soldering solution. Built to meet the standards of the US Space Program, this pipe bonding formula offers unmatched strength and convenience. It instantly bonds copper, brass, and yellow metals without heat or flame, forming a secure, permanent seal in just 60 seconds.

Specifications:

• Bonding Time: 60 seconds
• Seal Strength: Up to 500 PSI contained pressure
• Flow Pressure Tolerance: Up to 10,000 PSI
• Temperature Range: -60°F to +300°F
• Compatible Pipe Size: Up to 2 inches (580 mm)
• Bottle Capacity: 2 oz (bonds up to 340 fittings)
• Disassembly Temperature: 400°F
• Certifications: Exceeds MIL-S-46163A Type I Grade K, MIL-S-224723E Letter Grade CVV

Perfect For:

• HVAC repairs
• Residential plumbing
• Industrial pipe bonding
• Refrigerant systems
• Emergency leak fixes

Why Choose Our Heat-Free Pipe Bonding Formula?

Forget torches and traditional soldering—this advanced bonding solution offers safety, speed, and durability. Ideal for residential, commercial, or industrial use, it forms a permanent, high-pressure seal without flame or metal solder. Whether you’re fixing leaks or installing new systems, this formula delivers confidence with every application.

INSTANT BOND & SEAL: Achieve a leak-proof connection in under 60 seconds with this powerful no flame pipe adhesive—perfect for emergency repairs, HVAC maintenance, and plumbing upgrades.
HIGH-PRESSURE PERFORMANCE: Engineered to handle extreme conditions, this pipe sealing compound withstands up to 10,000 PSI flow pressure and 500 PSI contained pressure without compromising the bond.
UNIVERSAL PIPE COMPATIBILITY: Ideal for copper, brass, and yellow metals, this fast-acting joint solution works with all refrigerants and liquids, making it versatile for various plumbing and A/C systems.
EXTREME TEMPERATURE RESILIENCE: Designed for demanding environments, this no heat connection formula performs flawlessly between -60°F and +300°F for year-round reliability.
PROFESSIONAL-GRADE STANDARDS: Trusted by experts and exceeding US Military copper bonding specs, this heat-free sealant delivers exceptional results without a torch or soldering kit.