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Pipelines

PRO-Line | Pipeline Products

Pro Block

Semi-Synthetic Sealant

Pro Block is a semi-synthetic sealant especially formulated to seal leaking gate and ball valves with downstream seats. It has high metal adhesion to lubricate and seal gates as they enter the body cavity.

This product is only available for use by certified companies.

Available in these sizes

Unit Size
1 gallon
5 gallon
Other sizes available on request

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Typical Characteristics

Appearance Black, tacky, grainy
NLGI 3
Penetration (ASTM D217) 220-240
Worked penetration 0x (ASTM D217) 220-240
Base oil Mineral oil/synthetic blend
Base oil viscosity 143 cSt at 100°C
Base oil viscosity 11 cSt at 40°C
Base oil viscosity Index 40
Base oil pour point -10°F (-23°C)
Solids content PTFE
Additives EP, antioxidant and corrosion inhibitors
Specific gravity 1.0
Density (lb/gal) 8-8.5
Dropping point (ASTM D566) >500°F (260°C)
Flash point >400°F (200°C)
Temperature range Te-10°F – 350°F (-23°C - 177°C)