Product Overview

Block
Thread and Gasket Sealant
SPEC SHEET #S00072
Hercules Chemical Company, Inc.
111 South Street, Passaic, NJ 07055-9100
Phone: [phone] • Fax: [phone]
e-mail: [e-mail]
http://www.herchem.com
©2000 FRZ
APPROVALS AND LISTINGS
SPECIFIC USES
For Delivery by Fax Call 1-800-942-4636
Internet See MSDS section of
www.herchem.com
Mail Contact Hercules at address below or
any Hercules representative
SPECIFIC APPLICATIONS*
Block can be used on these materials:-Aluminum, Black
Iron, Brass, Copper, Galvanized Steel, Glass, Monel, PVC,
Stainless Steel, and many others.
PHYSICAL PROPERTIES
Pressure Rating: Liquids 12,000 psi
Gases 2,600 psi
Temperature Performance -90°F to +450°F
Brushability to 20°F
WARNINGS OR CAUTIONS
• Not for use on natural rubber or synthetic rubber.
• Not for use on lines carrying strong or concentrated acids,
alkalis, oxygen and alcohol based products.
• Keep container closed tightly when not in use. Stir well
before using.
• Avoid contact with eyes. Eye contact can cause irritation.
• Harmful if swallowed.
• Prolonged contact may cause skin to dry or crack.
DIRECTIONS FOR USE
FOR THREADED JOINTS: Wipe away any excess oil or
foreign matter which is on threads. Apply BLOCK to male
threads, brushing well into root of threads. Assemble as
usual.
FOR FLANGES AND GASKETS: Apply a uniform coat of
BLOCK to mating side of flanges and/or gasket. Allow to set
for five minutes. Then assemble.
MATERIAL SAFETY INFORMATION
FOR MORE INFORMATION ON THIS PRODUCT,
REQUEST MATERIAL SAFETY DATA SHEET (MSDS) #72.
HMIS Hazard Warning 1-2-O-G.
INGREDIENTS CAS#
Isopropanol 67-63-0
NJ-T.S.R. #31348300
5010P, 5011P, 5012P, 5013P
* For special applications which may not be covered on this
or other Hercules literature, please contact Hercules
Technical Services Department by phone at
1-800-221-9330 or send a fax to 1-800-333-3456.
TM
Meets MIL-S-45180 D
Block can be used on
lines carrying:
Acids-Dilute
Air (compressed
gaseous)
Brine
Butane Gas
Carbon Dioxide
Castor Oils
Cutting Oils
Diesel Fuel Oil
Ethylene Glycol
Fatty Acid (liquid)
Freons (all)
Gasoline
Glycerine
Heating Oils
Helium (gaseous)
Hydraulic Oils
Inert Gases
Jet Fuel
Kerosene
Liquefied Petroleum
Gases
Lubricating Oils
Mineral Oils
Natural Gas
Nitrogen (gaseous)
Propane
Propylene Glycol
Soap (liquid)
Steam Lines
Vegetable Oils
Water (cold & hot)
Water Gas