





- An all-purpose, high-performance pipe joint and gasket sealing compound
- Quickly Provides leak-proof resistance to high-pressure, temperature, expansion, contraction and extreme vibration
- Forms a tough, flexible and leak-resistant seal
- Use for joints, threads, valves, flanges, gaskets, pumps and tanks
- Performs over a range of -90 through 450 degrees Fahrenheit on steel pipe
- Can be used with hydraulic pressure up to 12,000 psi and gas pressure up to 2,600 psi
Color: | Blue |
Brand: | Hercules |
Maximum Application Temperature °F: | 110°F |
Maximum Application Temperature °C: | 43°C |
Product Type: | Hard Set |
Set Type: | Hard Set |
Material Compatibility: | ABS |
Material Compatibility: | Aluminum |
Material Compatibility: | Brass |
Material Compatibility: | CPVC |
Material Compatibility: | Copper |
Material Compatibility: | Plastics |
Material Compatibility: | PVC |
Material Compatibility: | Stainless Steel |
California VOC Compliant: | No |

Hercules® 8 oz. Brush-On Blue Block™ Thread and Gasket Seal
[UPC] 032628157071
[Part #] 15707
Weight: 0.8 lb.
Size: 8 oz

Hercules® 4 oz. Brush-On Blue Block™ Thread and Gasket Seal
[UPC] 032628157033
[Part #] 15703
Weight: 0.5 lb.
Size: 4 oz

Hercules® 16 oz. Brush-On Blue Block™ Thread and Gasket Seal
[UPC] 032628157118
[Part #] 15711
Weight: 1.6 lb.
Size: 16 oz

Hercules® 32 oz. Brush-On Blue Block™ Thread and Gasket Seal
[UPC] 032628157163
[Part #] 15716
Weight: 3.25 lb.
Size: 32 oz