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Replace Dow 737 with Novagard 400-195

400-195 is a fast curing, non-flowable RTV silicone sealant

If you’re having problems sourcing DOWSIL™ 737 Neutral Cure Sealant, we have a drop-in replacement.

 

400-195 is a single-component, moisture-curing silicone paste that cures to a low to medium modulus, rubber-like solid.

  • Ideal for applications that require superior bond strength and moisture resistance such as component assembly, component staking, and formed-in-place gaskets
  • The cure mechanism is neutral (oxime), curing on exposure to moisture in room temperature air
  • Is non-corrosive to metal substrates such as copper, aluminum, and ferrous metals (with adequate ventilation)
  • Offers excellent adhesion to numerous substrates including glass, metal, and plastic

This ready-to-use adhesive sealant skins over in 4 – 7 minutes, and has a tensile strength of 150 – 180 psi after fully cured. The fast tack and early strength combine to hold the assembly together as the unit moves from station to station.

Download Spec Sheet

 

See how Novagard 400-195 compares to Dow Corning 737:

DOWSIL™ 737 Neutral
Cure Sealant Clear
Novagard® 400 Series
400-195 Translucent
Skin Over Time 3 – 6 minutes 4 – 7 minutes
Through Cure 24 hours 24 hours
Tensile Strength > 175 psi 150 – 180 psi
Elongation > 300% 500 – 600%
Shore Hardness 33 20 ± 5
Extrusion Rate (1/8″ orifice, 90 psi)
– 395 grams/minute
250 max @ 90 psi

 

Made in USAProposition 65VOC Compliant

Learn more about our DOWSIL™ 737 replacement

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Novagard is a privately held Women’s Business Enterprise and U.S. manufacturer of silicone sealants, coatings, lubricants, and foams for the electronics, transportation/automotive, manufacturing, construction, medical and military markets. We have been proudly manufacturing in Cleveland, Ohio for over 40 years. To discuss how we can assist you, fill out the form above, call us at 216-881-8111, or email [email protected].

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