ASTM C920 PDF

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 – 11 Standard Specification for Elastomeric Joint Sealants

Use as a flexible adhesive. Use as a security sealant. It is principally a chemical cure in a non-sag consistency. A single-component sealant d920 be a uniform mixture of a consistency suitable for immediate application by hand or pressure caulking gun or by hand tool. Use Applications to include: Type M and grade P sealant, when tested shall be not less than the given extrudable rate 3 h after mixing.

Cover plates, gaskets and coverings.

Limestone Gray color available pre-pigmented. Light weight construction materials. This abstract is a brief summary of the referenced standard.

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

Convenient easy mix ratio A: Withstands wheel traffic and heavy loads.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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As an elastic joint sealer for: Seals cracks and around injection ports prior to pressure-injection grouting. The values given in parentheses are for information only.

ASTM C920 Joint Sealant

Type S, grade P, and grade NS sealant shall not be less than the given extrusion rate when tested. There shall be no transfer of the sealant to the polyethylene film when tested at 72 h. Test methods relate to special standard specimen substrates of mortar, glass, and aluminum.

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. Also available astn a pre-pigmented product in Limestone Gray. Grade P asmt or selfleveling sealant shall have the required flow characteristics, it shall exhibit a smooth, level surface. The adhesion and cohesion after cyclic movement shall be sstm to meet the requirements prescribed.

Use T traffic sealant shall have a hardness reading, after being properly cured, of not less than 25 or more than 50 when tested. Color-pak is also purchased separately. Use Structural bonding of concrete, masonry, metals, wood, etc. Grade NS or gunnable sealant shall have the required flow characteristics such f920 when tested in vertical displacement.

Excellent adhesion to concrete, masonry, metals, wood, and most structural materials. Air ducts and high vacuum systems. A sealant qualifying under this specification shall be classified as to type, grade, 9c20 and use as follows: This specification covers the properties of a 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.

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Use As an elastic adhesive for: Reservoirs or water retaining structures. Downloads Sika Air Barrier Brochure. Prevents deterioration of joint edges.

About us Sika U. As a pick-proof sealant around windows, doors, lock-ups etc. Color White Packaging Disposable Floor moldings and door sills. The sealant shall not f920 any visible stain on the top surface of a white cement mortar base when tested. The adhesion-in-peel after ultraviolet exposure through glass shall be determined to meet the requirements prescribed.

Gaskets in openings in walls or floors for ducts, piling, etc. Color Concrete Gray Packaging 4 gallon units. Paste consistency ideal for vertical and overhead repair of concrete. Use Use to fill vertical and overhead non-moving, saw-cut construction control joints and cracks 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 Shock absorbent and durable.