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    Abrasion Testing Machine

    SCTA-0615
    SCTA-0615

    Abrasion Testing Machine

    SCTA-0615 the Abrasion Testing Machine according to Böhme
    is used for determining the abrasion resistance of concrete and
    natural stone products used for internal or external paving.

    The machine consists of a grinding wheel of approx. 750 mm diameter, a removable testing weight of
    30 kg and a clamping device for the sample. The machine is equipped with an adjustable counter (30
    ± 1 r.p.m.) and an automatic cut-off system which stops the machine after 22 rotations.

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    Accelerated Polishing Machine

    AGGREGATE
    AGGREGATE

    Accelerated Polishing Machine

    Accelerated Polishing Machine (PSV) is used to accelerate the
    polishing action of vehicle tyres on a road surface, the
    resultsare used to develop safer road surfaces. The machine
    consists of a road wheel rotating at 320 ± 5 r.p.m, driven by a
    fan cooled electric motor.
    Abrasive Corn Emery is fed to the point of contact of the wheel
    on the test surface for 3 hours, followed by feeding Emery
    Flour to polish the surface being tested for a further 3 hours.
    Subsequent skid tests are carried out on the test samples using suitable portable skid test
    equipment.
    SCTA-0814 Control Stone and SCTA-0815 Friction Tester Reference Stone should be ordered
    separately.

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    Aggregate Abrasion Value

    SCTA-0800-0802 Aggregate Abrasion Value (AAV) Machine k
    SCTA-0800-0802 Aggregate Abrasion Value (AAV) Machine k

    Aggregate Abrasion Value

    The Abrasion Machine is used to determine the Aggregate Abrasion
    Value (AAV) by testing the measure of the resistance of aggregates
    to surface wear by abrasion. The Abrasion Machine consists of a
    flat circular cast iron grinding lap wheel of 600 mm dia. which
    rotates in a horizontal plane at a speed of 28-31 r.p.m. The
    abrasion sand is fed across the surface of the specimen samples
    through a special funnel.

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    Aggregate Crushing Value

    SCTA-0630-0640 Aggregate Crushing Value (ACV) Sets
    SCTA-0630-0640 Aggregate Crushing Value (ACV) Sets

    Aggregate Crushing Value

    The Aggregate Crushing Value (ACV) Test Set provides a relative measure of the resistance of an
    aggregate to crushing under a gradually applied compressive load. Each set consists of steel cylinder,
    plunger, base plate, cylindrical measure and tamping rod. All parts of the apparatus are powder coated or galvanized steel, heat treated and ground before manufacturing to make it durable and
    reliable. For aggregates smaller than 10 mm, a 75 mm diameter cylinder and associated equipment is
    available.

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    Aggregate Impact Value

    SCTA-0650 Aggregate Impact Value (AIV) Testing Apparatus k
    SCTA-0650 Aggregate Impact Value (AIV) Testing Apparatus k

    Aggregate Impact Value

    The Aggregate Impact Value Testing Apparatus, meets with BS 812,
    it is robustly designed to determine the Aggregate Impact Value
    (AIV) of aggregates which provides a relative measure of the
    resistance of an aggregate to sudden shock or impact. The counter
    fitted to the machine automatically records the number of blows
    delivered to the sample, manufactured from heavy duty plated
    steel to resist corrosion.

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    Alkali Aggregate Reaction Bath

    SCTA-0880_Alkali-Reaction-Bath
    SCTA-0880_Alkali-Reaction-Bath

    Alkali Aggregate Reaction Bath

    The Alkali Aggregate Reaction Bath is used to keep 25x25x285 mm samples in NaOH (Sodium
    Hydroxide) or in any other solution at a specified temperature. The temperature can be adjusted
    between ambient to 80°C by using the digital controller with 2°C accuracy.
    The chamber is made of stainless steel and has a capacity of 36 specimens (25x25x285 mm).
    Supplied complete with 3 pcs. stainless steel alkali specimens cans (SCTA-0882). Each can has a
    stainless steel hanger which can hold 3 pcs. 25x25x285 mm specimens. Additional alkali specimens
    cans should be ordered separately

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    Bulk Density Measure

    SCTA-0700-0705-0720 UTC-0610 Bulk Density Measures k
    SCTA-0700-0705-0720 UTC-0610 Bulk Density Measures k

    Bulk Density Measure

    The Bulk Density Measures are manufactured from heavy duty steel complying with the related
    standard. Available in 1, 5, 10 and 20 lt. capacity models to comply with the relevant standards. The
    measures are coated against corrosion.

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    DRYING SHRINGAKE & ALKALI-SILICA REACTIVITY

    SCTCM-0037
    SCTCM-0037SCTCM-0038

    DRYING SHRINGAKE & ALKALI-SILICA REACTIVITY

    Length Comparators are used to determine the length changes on different type of cement prisms.
    The set consists of a length measuring frame with measuring apparatus attached to it. There are 2
    models available; SCTCM- 0037 is with 0.001 mm x 25 mm digital dial gauge and SCTCM-0038 is with
    special 0.0001 mm x 30 mm transducer and readout unit.

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    DRYING SHRINKAGE

    DRYING SHRINKAGE

    The Two and Three Gang Shrinkage Moulds are used for the determination of the effect of
    aggregates on the drying, shrinkage and length change of hardened cement paste, concrete and
    mortar.

    The Two Gang Shrinkage Mould is also used for the determination of the potential alkali reactivity of
    cement-aggregate combinations (mortar-bar method) according to ASTM standards. Reference rod
    should be ordered separately.

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    Efflux Index (Flow Coefficient of Fine Aggregates)

    efflux index
    efflux index

    Efflux Index (Flow Coefficient of Fine Aggregates)

    SCTA-0440 Efflux Index (Flow Coefficient of Fine
    Aggregates) Apparatus is used to obtain information
    about the shape and the angularity of grains of fine
    aggregates.
    The flow coefficient of an aggregate is the time,
    expressed in seconds, for a specified volume of aggregate to flow through a given opening, under
    specified conditions using a standard apparatus.

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    Flakiness Index Sieve

    SCTA-0410-0411-0412-0413-0414-0415-0416-0417 Flakiness Index Sieve Set BS_k
    SCTA-0410-0411-0412-0413-0414-0415-0416-0417 Flakiness Index Sieve Set BS_k

    Flakiness Index Sieve

    Aggregate particles are considered as flaky when their thickness is less than 0.6 of their mean sieve
    size. Aggregate to be classified is separated into seven sieve fractions from 6.3 to 63 mm and each
    fraction is examined separately. The dimensions of each sieve comply with the relevant International
    Standard, manufactured from heavy gauge steel sheet and coated with electrostatic paint. The
    accuracy of the slot size is better than 0.1 mm.

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    Freezing and Thawing Chamber

    SCTD-1430 Climatic Chamber 250 lt k
    SCTD-1430 Climatic Chamber 250 lt k

    Freezing and Thawing Chamber

    Used for the determination of resistance to freezing and thawing by providing freezing / thawing in
    air.

    The chamber is equipped with a user defined program including 10 steps. Time can be adjusted to
    999 minutes for each step of the program. The temperature range of the cabinet is -30°C to +30°C.
    The temperature is controlled by a sensor which can be immersed either into the sample, into the
    water which the sample is placed into or, into the salty water solution placed on the sample before
    starting the test. The calibration of the sensor is carried out using the user friendly menu.