Kosmortar and Kosmos Portland Cement
Made by
KOSMOS PORTLAND CEMENT CO.
Sales Office: Louisville, Ky.
Products
KOSAIORTAR, and KOSMOS PORTLAND CEMENT. Kosmortar
A very smooth working cement for masonry of all kinds. Mixed with sand and water only, by hand or machine, it is ready for immediate use. No slaking. No additions. Minimum labor.
*Characteristics of Kosmortar
Strength—Ample for all masonry. Makes mortar of about the same strength as a 50% mixture of portland cement and lime with much better working qualities.
Appearance—The natural color of Kosmortar is a light gray. It contains nothing that will react unfavorably on mortar colors, or cause efflorescence. Joints cut clean, giving a neat effect, and saving much labor. For practical purposes it is non-staining with Bedford stone.
Durability—Kosmortar passes the same soundness test as portland cement. Every step in its manufacture is under complete control and it may be depended upon for uniformity. Joints made with Kosmortar are water repellant to a high degree.
Set—Kosmortar is made slow setting to permit placing in the wall without retempering, which is never necessary with Kosmortar under proper management. Retempering a mason’s cement sacrifices the advantages of strength, speed and labor saving that are the chief reasons for using this modern substitute for lime. It may be done but should not be, and Kosmortar is so made that it is not necessary. The set is accelerated somewhat for winter shipments.
Package—Kosmortar is packed only in multi- wall paper sacks which give the maximum protection and allow no refilling. A sack weighs 75 lb. The unit of sale is a barrel of 300 lb., which means four sacks. Directions for use on each sack.
Amount Required—This varies with the sand used and the ideas of the various bricklayers. A good average is 1 barrel (4 sacks) of Kosmortar to 1000 brick. Tn tests as many as 1284 brick have been laid (slushed joints) with a barrel of Kosmortar without detracting from the strength or plasticity.
Opinions of Kosmortar
Architect—“Kosmortar joints are hard and durable, providing an excellent bond.”
JOSEPH AND JOSEPH, Architects, Louisville, Ky. Mill: Kosmosdale, Ky.
Brick Manufacturer—“We believe Kosmortar is the best of the mason’s cements and arc especially enthusiastic about its performance with mortar colors in connection with our face brick.” DECATUR BRICK COMPANY, Decatur, Ill.
Contractor—“Our brick foremen believe that your product is the best of the patented cement mortars from the standpoint of economy and fast brick laying. The masons particularly like Kosmortar because of the ease of handling, and our experience with it on numerous jobs justifies their belief.” THE MIDDLE STATES CONSTRUCTION COMPANY,
Columbus, Ohio
Report of Kosmortar Tests
(1) Made by Robert W. Hunt & Co., Chicago, Ill., from sample received March 23, 1923.
Soundness O.K.
Time of Setting :
Initial 6 hr. 00 min.
Final 17 hr. 30 min.
Fineness:
Passing 100 mesh 95.80%
Passing 200 mesh 81.40%
Tensile Strength (1 part Kosmortar, 3 parts sand)
Average 7 days 70 lb. per sq. in.
Average 28 days 155 lb. per sq. in.
(2) Made by H. C. Nutting Co., Cincinnati, Ohio, from sample received February 20, 1924.
Compression Strength (1 part Kosmortar to 3 parts sand
28-day test 1376 lb. per sq. in.
Tests of Kosmortar along with other mortars for working qualities, color and strength, are welcomed.
Kosmos Portland Cement
Many twenty-year old buildings of all sorts prove its durability. It responds exceptionally well to modern methods of concrete making for high early strength.
In July, 1927, a piece of roadway near Kosmosdale, required for immediate use, was laid with Kosmos cement, using a 1: 2: 3 mix and 5 gal. of water to a sack, giving a 1-in. slump. In 21 hours after laying, loaded trucks of a gross weight of 111 tom were run over this roadway and have been using it ever since without signs of failure.
Cylinders of this concrete gave strength in compression of 1256 lb. per sq. in. in 24 hours.
TRADE-MARK
For further details and KOSMOS PORTLAND CEMENT COMPANY, Louisville, Ky.
literature, write to:
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