ASTM C920 PDF

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This ASTM specification covers the properties of a cured single- or multicomponent cold-applied elastomeric joint sealant for sealing, caulking. It conforms to the current ASTM C and AASHTO M specifications. . Meets ASTM C , Type M, Grade NS, use T, NT, O, M, G, A and Federal. Our technical data sheets now refer to specification ASTM C in regard to the elastomeric joint sealants. This specification encompasses both the.

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ASTM C – 18 Standard Specification for Elastomeric Joint Sealants

This abstract 9c20 a brief summary of the referenced standard. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. A multicomponent chemically curing sealant shall be furnished in two or more components. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for c290 use and application.

ASTM C920 Joint Sealant

Convenient easy mix ratio A: Use As an elastic adhesive for: The accelerated weathering effects, and sealants exposed to continuous immersion shall be determined to meet the requirements prescribed. Limestone Gray color available pre-pigmented. Good weathering and water resistance.

Test methods relate to special standard specimen substrates of mortar, glass, and aluminum. The adhesion and cohesion after cyclic movement shall be tested to meet the requirements prescribed.

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Withstands wheel traffic and heavy loads. Use T traffic sealant shall have a hardness reading, after being properly cured, of not less than 25 or more than 50 when tested. Wood or metal and door frames. Paste consistency ideal for vertical and overhead repair of concrete.

Reservoirs or water retaining structures. It is essential, therefore, that the applicable type, grade, class, and use be specified so that the proper classification of sealant is provided for the intended use.

There shall be no transfer of the sealant to the polyethylene film when tested at 72 h. Gaskets in openings in walls or floors for ducts, piling, etc. A single-component sealant shall be a uniform mixture ast, a consistency suitable for immediate application by hand or pressure caulking gun or by hand tool. Use Use to fill horizontal, non-moving, saw cut construction control joints and cracks.

Ideal for use with plural injection type systems. Color-pak is also purchased separately. Seals cracks and around injection ports prior to pressure-injection grouting.

Conforms to ACI Use NT nontraffic sealant shall have a hardness reading, after being properly cured, of not less than 15 or more than 50 when tested. Grout bolts, dowels, and pins. If tests are required using substrates in addition to or other than the standard, they should be so specified for testing.

Use Use as a binder for epoxy mortar repairs As a pick-proof sealant around windows, doors, lock-ups, etc. Type M and grade P c9200, when tested shall be not less than the given extrudable rate 3 h after mixing.

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Grade P pourable or selfleveling sealant shall have the required flow characteristics, it shall exhibit a smooth, level asttm. It should be recognized by the purchaser or design professional that not all sealants meeting this specification are suitable for all applications and all substrates. Historical Version s – view previous versions of standard.

Grade NS or gunnable sealant shall have the required flow characteristics such that when tested in vertical displacement. Fast-setting and strength-producing adhesive. About asfm Sika U. Air ducts and high vacuum systems. Use Structural bonding of concrete, masonry, metals, wood, etc. This specification covers the properties of asfm cured single- or multicomponent cold-applied elastomeric joint sealant for sealing, caulking, or glazing operations on buildings, plazas, and decks for vehicular or pedestrian use, and types of construction other than highway and airfield pavements and bridges.

Color Concrete gray Packaging 1 gal. As a pick-proof sealant around windows, doors, lock-ups etc. Containers, tanks, and silos.

Color Concrete Gray Packaging 4 gallon units. Use Use to fill vertical and overhead non-moving, saw-cut construction control joints and zstm Use as a flexible adhesive Characteristics and Advantages 2 to 1 ratio ensures easy mixing, easy handling An adhesive with excellent flexibility Excellent durability Conforms to ACI Characteristics and Advantages Remains flexible.

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