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Home > Chemicals > Hardcast Iron-Grip 601 & Hardcast Flex- Grip 550

Hardcast Iron-Grip 601 & Hardcast Flex- Grip 550

A versatile, all purpose duct sealant for use on all types of metal duct, glass fiber
duct board, and flex duct, as well as duct fabric and flexible tubing runouts. Distinguished
by its ability to accommodate minor vibration and movement, Iron-Grip stays flexible to save
call-back labor.

Features:
• Indoor/Outdoor use
• Stays flexible
• Water, mold & mildew resistant
• Easy application
• Non-sag formulation
• Proven reliability Specifications:
Color: Gray
Consistency: Heavy brush on
Base: Synthetic latex
Solvent: Water
Weight per Gallon: 10.5 lbs. (± 0.2)
Solids content: 62% (± 2)
Viscosity: >300K cps
Coverage (per gal.): Up to 320 lin. ft. at 3” width, 20 mil thickness
Shore A Hardness: >20
Flexibility: Passes 1/4” mandrel bend
Time to Test: 48 hours (May vary according to temperature and humidity.)
Service Temperature: –20°F to 200°F
VOC: 79 g/l (less water)
Pressure Classes: SMACNA 1/2, 1, 2, 3, 4, 6 and 10 inches w.g.
Seal Classes: SMACNA A, B, C
Packaging: 1/12 gal. caulking cartridges, 1 gal., 5 gal. pails
Freeze/Thaw Stability: Passed 5 cycles
Specifications Compliance: Passes ASTM C-731, ASTM D-2202.

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S1-304132
PART #: 304132 - SEALANT DUCT FLEX GRIP 550-4 (M4)
Usually Ships in 2 to 3 Business Days

List Price: $51.46
Our Price: $31.91
Savings: $19.55
S1-304135
PART #: 304135 - SEALANT DUCT IRON GRIP 601 (M4)
Usually Ships in 2 to 3 Business Days

List Price: $64.18
Our Price: $28.00
Savings: $36.18