After setting, cement shall maintain stable volume, without any significant delayed expansion, mainly caused by excessive amounts of free lime (CaO) or magnesia (MgO). Sound cements better resist cracking and disruption. Soundness can be determined either by Le Chatelier or Autoclave methods.
Soundness
Le Chatelier Flask
Used to determine the specific gravity of hydraulic cement and lime.
Standards EN 196-6 ASTM C188 AASHTO T133
62-L0003
Description
Used to determine the specific gravity of hydraulic cement and lime. Glass flask 250 ml capacity, with graduated neck from 0 to 1 ml and from 18 to 24 ml in 0.1 ml graduation with accuracy of 0.05 ml.
- Weight approx.: 500 g
Products
62-L0003
Le chatelier flask
Accessories
62-D1635
Chattaway spatula
Le Chatelier Moulds
Used for determining the expansion of cement. The mould consists of a spring tensioned..
Standards EN 196-3
62-L0025
Description
Introduction
Used for determining the expansion of cement. The mould consists of a spring tensioned split cylinder 30 mm internal diameter, 30 mm high with two indicator stems which measure 165 mm from the points of thje centre line of the cylinder and O ring. Two or three moulds are required for each test. To perform the test, a water bath is also required. See accessories.
We propose three packages:
62-L0025 Le Chatelier mould
Single unit. Individually checked, supplied complete with certificate of conformity and identified by a serial number.
- Weight approx.: 30 g
62-L0025/C Le Chatelier mould. Pack of 6 units
Same as 62-L0025.
- Weight approx.: 150 g
62-L0025/B Le Chatelier soundness kit
The kit includes all accessories to perform the test and to verify the conformity of the moulds.
Consisting of:
- No 3 62-L0025 Le Chatelier moulds
- No 6 62-L0025/2 Glass plates, 50 mm sq.
- No 3 62-L0025/3 100 g weights
- No 1 62-L0025/4 Extensibility of mould apparatus
- No 1 62-L0025/5 Tamping rod 17 mm dia x 70 g weight
- No 1 62-L0025/6 Rule
- Weight approx.: 1 kg
Note: each one of the above parts can be purchased individually.
Products
62-L0025
Le Chatelier mould
62-L0025/B
Le Chatelier soundness kit
62-L0025/C
Le Chatelier moulds. Set of 6
Accessories
62-L0025/F
Le Chatelier water bath. 220-240V/50-60Hz/1ph
62-L0025/FZ
Le Chatelier water bath. 110V/60Hz/1ph
Two Gang Prism Mould 25x25x285 mm to ASTM
This mould is used for the Expansion of Portland cement
Standards ASTM C151 ASTM C490 ASTM C227 ASTM C596 ASTM C1567 ASTM C1260
Two gang prism mould 25x25x285 mm to ASTM
Description
This mould is used for the Expansion of Portland cement with the High pressure autoclave, conforming to ASTM C151 and ASTM C490 and to evaluate expansion due to Alkali-Silica Reaction
Products
62-L0033/B
Two gang prism mould 25x25x285 mm to ASTM C490 forexpansion test of cement
Accessories
62-L0035/A
Length comparator digital version. Comprehends digital gauge with output for PC connection (special cable required) – reference bar not included
62-L0033/B2
Contact points for 62-L0033/B. Pack of 10
62-L0034/1
Reference INVAR rod 295mm long to ASTM C490
82-D1261/LINK
Serial cable for PC connection
Autoclave, High Pressure
The autoclave consists of a high-pressure steam vessel for cement expansion tests.
Standards ASTM C151
62-L0032/A
Description
The autoclave consists of a high-pressure steam vessel with internal dimensions 154 mm dia. x 430 mm high to accept a rack for holding 10 specimens obtained with the 62-L0033/B moulds (see accessories). Complete with pressure gauge, pressure regulator, temperature regulator, control switches, safety valve and specimen rack.
Certified conforming to INAIL procedure.
Products
62-L0032/A
High pressure cement autoclave. 230V, 50-60Hz, 1ph.
62-L0032/AZ
High pressure cement autoclave. 110V, 60Hz, 1ph.
Technical specifications
- Heater: 2600 w
- Overall dimensions: 450x475x1080 mm
- Weight approx.: 55 kg
Accessories
62-L0033/B
Two gang prism mould 25x25x285 mm to ASTM C490 forexpansion test of cement
62-L0033/B2
Contact points for 62-L0033/B. Pack of 10