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ASI 335 Neutral Cure Clear Silicone - 10.2 oz. Cartridge

American Sealants
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  • Buy 2 - 5 and get 3.04% off
  • Buy 6 - 11 and get 5.97% off
  • Buy 12 or above and get 10.02% off


10.2 oz ASI Neutral Cure Clear Silicone for Indoor & Outdoor Applications

If you're looking for a high quality caulk then look no further than ASI 335 Neutral Cure Clear Silicone. The convenient 10.2 oz cartridge is nearly odorless and features a quick cure process.

The Neutral Cure Clear Silicone forms a high modulus rubber like material

ASI 335 Neutral Cure Silicone Sealant and Adhesive is a one-part, non-slump, moisture-curing RTV. RTV stands for room temperature vulcanizing. This Silicone Adhesive cures to form a tough, high modulus rubber-like material with long-term flexibility and durability. The neutral curing mechanism is ideally suited for use in confined work areas since no objectionable odors are present. 

The non-slump characteristics of ASI 335 allow application to vertical or horizontal joints without flowing or sagging. ASI 335 neutral cure silicone has excellent resistance to weathering including ozone, ultraviolet radiation, freeze-thaw conditions and airborne chemicals. After cure, the wide heat stability range of the Silicone is from -57 Degrees C to +204 Degrees C (-70 Degrees F to 400 Degrees F) and the sealant can be applied to surface temperatures from -18 Degrees C to +50 Degrees C (0 Degrees F to +120 Degrees F).

The Neutral Cure Silicone Sealant Adhesive is manufactured by American Sealants brand

ASI 335 neutral cure silicone can be used as a durable, general-purpose sealant/adhesive in a wide range of industrial applications. Unprimed adhesion to a wide range of substrates is available with the use of ASI 335. For example, ASI 335 neutral cure silicone adheres to unprimed chrome and stainless steel, which other high modulus silicone sealants would require to be primed. As a formed-in-place gasket,

The Neutral Cure Silicone Sealant Adhesive exhibits low swell, low compression set and good oil resistance. These characteristics impart an unusual balance of properties to prevent leakage in harsh environments such as engines, transmissions, water pumps, rear axles and oil pans.

ASI 335 Neutral Cure Silicone is not recommended to be used in cylinder heads, exhaust manifolds or in contact with fuels.

ASI 335 Neutral Cure Clear Silicone Caulk Adhesive creates a waterproof seal

You can receive a discount if you are purchasing quantities of 2, 6, 12 or more.

If you are looking for other color options, then check out our full line of Neutral Cure Adhesives


  • Color: Clear
  • Size: 10.2 Oz Cartridge
  • Non-Corrosive
  • Advanced Adhesion Properties
  • Low Odor
  • Resistant to UV Degradation And Weathering
  • Resists Extreme Temperatures & Chemicals
  • One-Component, Easy To Use Formulation
  • 25% Joint Movement Capability
  • Mold & Mildew Resistant
  • Easy to Extrude At Cold Temperatures
  • Non-Slump, Can Use On Overhead & Vertical Applications
  • Excellent For Indoor & Outdoor Applications
  • Creates A Waterproof Seal

If you are looking for other color options, then check out our full line of Neutral Cure Adhesives

What is the curing time for neutral silicone and how long does neutral cure silicone take to dry?

ASI 335 neutral cure silicone is ready to use and requires no mixing or additives. The cure mechanism begins as soon as the sealant comes in contact with the air. At conditions of 25°C (77°F) and 50% relative humidity, the sealant will skin in 10-20 minutes and cure in 24 hours (1/8″ bead), with full cure strength in 7 days. Higher humidity accelerates cure. Tooling should be done before skinning takes place. In applications where partial or total confinement of sealant is prevalent, the time required for proper cure is generally lengthened by the degree of confinement.

What does neutral cure silicone mean?

A neutral cure silicone such as ASI 335 is a sealant which releases alcohol or another non-acidic substance while curing. Unlike an acetoxy silicone, a neutral cure silicone sealant is virtually odor-free. Because it does not release acid while curing, neutral cure silicones are popular choices for sealants for sensitive surfaces.

  • Color: Clear
  • Size: 10.2 Oz Cartridge
Shelf life is one year from the date of shipment.
2.00 (in)
2.00 (in)
9.00 (in)
MSDS-335-C|pdf|MSDS 335 C
Country Of Origin:
United States
Product Type:
Chimney Maintenance
Additional Information:

Adobe PDF File Icon MSDS

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