Economy curing box has a 1 500 watt heater cooling by fresh water circulation only h 2970a concrete cylinders field curing chest.
Concrete curing box specifications.
Specimens should be shielded from direct sunlight or.
E5 x combines e5 internal cure with e5 x steel twisted fibers provides the efficiency of curing with the strength of.
American society for testing and materials astm has developed two standards for making and curing concrete specimens.
Curing boxes used to maintain temperature and humidity of concrete cylinder specimens for 48 hours.
During initial curing the cylinders must be stored in a temperature range from 60 80 degrees f in an environment that prevents moisture loss for up to 48 hours.
Concrete cylinder curing boxes.
Lightweight portable up to 22 standard 6 x 12 152 x 305mm test specimens can be stored.
C171 standard specification for sheet materials for curing concrete.
Lightweight perfa cure curing boxes maintain required initial curing temperatures of 60 to 80 f 16 to 27 c and provide portable storage and protection for concrete test specimens.
Plastic construction with 14 gauge steel bottom rack bottom drain valve lockable lid preset temperature control 73 f 23 c maintained at 2 f 1 1 c dial thermometer and a capacity of 22 standard 6 in x 12 in 15 2 x 30 5 cm.
The specification is written to allow each method of curing to be a stand alone specification.
The specifier is to deter mine the desired results of the curing and select the appropri ate section or sections to achieve those results.
E5 internal cure simplifies the specification and completion of concrete slabs for all parties by ensuring a quality finish that is sustainable quantifiable and duplicatable each and every time.
C309 standard specification for liquid membrane forming compounds for curing concrete.
Concrete curing boxes are sturdy lightweight boxes that maintain temperature conditions as specified in astm c31 and aashto t 23 standards.
Provide data on curing compounds sheet materials and methods of securing sheet.
If the concrete design strength is 6 000 psi or greater the initial curing temperature must range from 68 78 degrees f.
Section 1 shall be included with the selected sections.
D2103 standard specification for polyethylene film and sheeting.
The specifier is to use aci 308 92 standard practice for.
Astm c192 6 is intended for laboratory samples while astm c31 7 is intended for field samples.
H 2967 concrete curing box heating only.
H 2968 concrete curing box deluxe.
