Presto Stantest Private Limited
DLF Industrial Area, Phase 1, Faridabad, Haryana
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Rubber Testing Instruments

We are a leading Manufacturer of bennewart flex tester, din abrasion tester, irhd hardness tester, specific gravity balance, belt flexing testing machine and computerized tensile testing machine from Faridabad, India.

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With huge technical knowledge and industrial experience, we are providing a wide assortment of Bennewart Flex Tester to our prestigious clients. The offered tester is manufactured using high-grade raw material and advanced technology in compliance with industrial standards. The product offered by us is thoroughly examined by our experienced professionals to ensure its durability, reliability and long service life. This tester is available in various specifications as per the requirement of our clients.


  • Flex Tester comprises drive unit featuring electric motor with pulleys & belts
  • Unit also comes with link mechanism for providing oscillating movement to one of two grips that hold two ends of test specimen with other one in fixed form
  • Cutting die for preparing test specimen from sheet & slitting punch with jig for making of initial cracks as optional accessories
  • Equipment coming with rigid metallic base plate finished in Autumn Gray & Blue painted finish with bright chrome/zinc plating for corrosion resistance
  • Instrument is supported by Instruction Manual, Calibration Certificate traceable to NABL approved Labs and Electrical Wiring Diagram


  • Footwear industry


Number of specimen test2 for full sole, 6 for cut test specimen
Angle of flexing
Diameter of bending mandrel
30 mm
Frequency of operation
125 to 150 cycles/minute.
½ HP, Single Phase, 230V AC
Digital Counter
Six digital Pre Set type with memory backup

Additional Information:
  • Item Code: PBF-80
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Presto’s Din Abrasion Tester is easy to use testing device which is used to measure the abrasion resistance strength of rubber &elastomers. The instrument is designed as per the DIN standard. The machine helps to measure the quality of vulcanized rubber, natural or synthetic rubber. The test specimen is abraded against an abrasive surface which is mounted on a rotating cylindrical drum in such a way that abrasion will take place on allends of the sample. The instrument is held against the abrasive surface under a specific amount of load while being traversed across it.


Grinding wheel diameter1 50 mm (Circumference Approx 400 mm)
Specimen size16.2 mm x Thickness 6-10 mm
Speed of specimen4.2 mm 4.2 mm Per Revolution
Loading0.25, 0.5, 1.0, 1.5, 2.0 kg
Grinding wheel rotating speed40 rpm
Power source220V-240V


· Abrasion tester equipment designed as per "Din Standard" with grinding wheel diameter of 150mm

· Suitable for carrying out comparative test of rubber abrasion on circumference of grinding wheel covered with sand paper

· Can operate with different specimen speeds and weight loading options

In rubber industry for comparative test of rubber abrasion

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In tunes with advanced market development, we are offering a wide range of IRHD Hardness Tester. Our offered tester is designed in line with international quality standards using premium quality raw material. Our offered product is available in unique designs and sizes as per the variegated needs of clients. Tested on various parameters set by the industry, this product is widely demanded all across the globe. Clients can avail the offered product from us at market leading prices.


  • Soft rubber, elastomers as well as natural rubber to Shore A
  • Harder elastomers, rigid thermoplastics and plastics to Shore D
  • Textile fabrics and soft elastomers to Shore 0
  • Sponge rubber, foam rubber & expanded rubber to Shore 00
  • Harder elastomers than Shore A tested to Shore B
  • Medium hard elastomers tested to Shore C


  • In rubber industry for reference testing applications


Range of hardness30-85 IRHD
Diameter of indenter lip2.50 mm
Pressure foot20mm OD/6mm ID
Force on pressure foot8.30 N
Contact force0.30 N
Indenting force5.40 N
Electric supply220 Volt AC Single Phase

Additional Information:
  • Item Code: A-IRHD01
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Measuring the Specific Gravity of any elastomer is significant for its physical property and quality assessment. The instrument is highly efficient in measuring and ascertaining the quality of the rubber and rubber products. The balance is also used to measure whether the sample is prepared with the similar compounds or not. The digital display of the device directly displays the specific gravity of the samples. The instrument works on Archimedes Principle. The very simple two button operation of the device makes it user-friendly and simple to operate.



· Display: Digital LCD display

· Range: 0.9 to 3.0

· Simple two button operation

· RS232 connectivity optional.


· Integral Security Bracket

· User-friendly menu driven functions

· Programmable Auto shut off

· Inbuilt functions for specific gravity, Hold & Totalize.

· Different units can be selected – g, Kg, oz, lb, %, etc.

· Inbuilt Self-Calibration system.

· Best for arough assessment of physical properties of material.

· Works on Archimedes principle

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We are engaged in offering a wide range of Belt Flexing Testing Machine to our valuable clients. Used for checking the quality of the outer-soles of footwear/other flexing components. We use optimum quality material and latest technology in the manufacturing process. Our offered product is checked against various parameters under the vigilance of our quality controllers to deliver a flawless range at the client's end. Apart from this, offered testing machines are available in standard as well as customized specifications as per requirement of our clients.


  • Used for checking the quality of the outer-soles of footwear/other flexing components
  • Workstations coming in horizontal finish that allows easy loading, inspection as well as measurements of the tests
  • Allows determination of soles resistance to growth of cut during repeated flexing
  • System allows carrying out of tests at low temperatures


  • In foot wear industry


  • EN ISO 20344:2004 8.4.2
  • DIN 53543 Section 6.3 1979
  • BS EN ISO 17707:2005
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The Presto Computerized Tensile testing machine is widely used for evaluating the tensile strength of rubber products, pet bottles and various other products such as plastics. The equipment has a capacity of 250 Kgf with a least Count of 100 gm. It is a floor standing model of C.R.E. Type fabricated using heavy duty Mild steel. The Presto Computerized Tensile testing machine is must have for all rubber manufacturing units.



  • Selectable formula Input option
  • Selectable Units of Load/Elongation viz. Kg/Lbs/N and mm/cm/inch
  • Zoom Feature
  • Report E-Mailing Option
  • Graphical Display Load Vs Elongation
  • 10 Reading Record on the same screen
  • Option for Placing Company Name,Operator Name ,Batch /Lot No. etc
  • Grip to Grip Separation : Minimum 25mm and Maximum 700mm
  • Cross Head Speed : 50mm - 500mm / min. With Motor Variable Speed
  • Following Tests can be performed
  • Tensile Test
  • Elongation
  • Compression
  • Peel /Adhesion /Bond Tests
  • Flexural
  • Bonding Strength
  • Yield Point Load Vs Elongation
  • Metal to Rubber Bonding
  • Electrical Requirement : Stabilized, 220-240V AC, 50Hz, Single Phase (Three Phase in certain higher capacities)
  • The Instrument includes instruction manual, NABL traceable calibration certificates
  • Computer & Printer : Not a part of standard supply
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Product Details:
Capacity of the Tester 0 - 2500Kg.
Sensitivity/Least Count: 1 kg.
Motor: 3 Phase Induction motor, HP- 3, RPM - 1440
Power Consumption2KW
Provides pross head speed of 50mm- 500mm/min.

We are dedicatedly engaged in offering a commendable range of Digital Tensile Testing Machine. Besides being manufactured from high-grade raw material and latest technology, the offered range is inspected properly by our expert professionals. Owing to features like durability and sturdiness, the offered testing machines are exceptionally valued by our precious clients. The entire range is available with us in a multitude of sizes, designs and other related specifications at affordable price.




  • Heavy mild steel construction for rigidity and strength
  • Safety arrangements such as overload and over travel protection incorporated
  • Standard branded motor and CE electric wiring
  • Completely modular construction ensures that the machine is trouble free and maintenance free.
  • Corrosion resistant finish
  • Comes complete with micro switches, main switch and relay
  • Safe and convenient operation.
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  • Presto Ross Rubber Flexing Machine used for resistance of vulcanized/synthetic elastomers
  • Testing conform to ASTM Method D1052, ISO-4643
  • Model allows testing of up to 6 samples at same time that can also be upgraded to 12 samples
  • Equipment estimates endurance against repeated bending
  • Machine suitable for sole rubber and foot wears


  • Footwear industry for checking resistance of vulcanized or synthetic elastomers


Flexing speed
100 ± 5 rpm
Flexing angle
Max. 90 degrees
Flexing rod diameter
Specimen size (inch)
1±0.05(W) x 6(L) x 0.25(T)
Specimen holder
6 holders
6 digits
220 V - 240 V

Additional Information:
  • Item Code: PRF-6
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  • Presto Compression Set Apparatus allows determination of compression under constant strain
  • System comprises four polished steel plates with flat & parallel ground faces where plates are held using pair of allen bolts
  • Ring shaped spacers provided of specified thickness that is constructed using magnetic stainless steel and provided to delivering desired compression to test specimens
  • For conducting tests at elevated temperatures, apparatus can be kept inside hot air oven


  • Compression set of Rubber components


Number of specimens tested at a time3
Size of stainless steel plates45 x 10 x 130 mm
Diameter of spacers30 mm
Thickness of spacers9.40 +/- 0.01 mm (for large specimens), 4.70 +/- 0.01 mm (for small specimens)

Additional Information:
  • Item Code: PCS-2
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  • Among the accepted tested process used in determining flexing resistance
  • Tester offers useful information regarding resistance of compounds of vulcanized rubber to cracking on event of flexing
  • Cracks occur in surface areas the faces that initially contain crack and repeated flexing causes extending of crack in direction that is perpendicular to stress
  • Equipment built on rigid metallic base plate and coming finished in Autumn Gray & Blue painting combination with support of bright chrome/zinc plating for corrosion resistance
  • Speed
  • Mode
  • Degree of flexing


    • In Rubber industry for testing maximum flexing achieved without developing cracks


    Number of specimens testedSix
    Maximum opening between grips75 mm (adjustable)
    Travel of reciprocating grip57 +/- 0.1 mm (adjustable)
    Flexing frequency300 +/- 10 cpm (adjustable)
    Motor¼ HP single – phase 230 volts AC
    CounterNine Digit electronic counter

    Additional Information:
    • Item Code: PDMF-16
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    • Equipment coming mounted on solid base that provides for stable reading support
    • Features steel scale for measuring of impact rebound
    • Equipment built on rigid metallic base plate in Autumn Gray & Blue painting with bright chrome/zinc plating support for corrosion resistance
    • Instrument made available with support of Instruction Manual, Calibration Certificate traceable to NABL approved Labs


    • Used in rubber and textile industry for testing of rubbers or coated fabric


    Thickness of test specimens
    6.0 mm to 90.0 mm
    Length of the scale
    400 mm
    Diameter of plunger guide rod
    6.3 mm
    Weight of plunger
    28 +/- 0.5 g
    Dropping Height
    400 +/- 1 mm
    Dropping HeightASTM D 2632 1979
    Standard Test Method for Rubber PropertyResilience by Vertical Rebound

    Additional Information:
    • Item Code: PRS-32
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    Product Details:
    Maximum Pressure Range0-600 mm-Hg
    Least Count10mm Hg
    ControlsDigital for pressure monitoring and timer
    TimerDigital preset up to 999 seconds (Changeable to Hrs:min:sec)
    Desiccator SizeUp to 300mm (other sizes available on request)

    • Presto Specimen Cutting Dies constructed using high carbon high chrome die steel that comes duly hardened
    • Features edges ground from both inside & outside for providing accurate control over dimensions
    • Cutting dies available for gaining test specimens as per Defense, ASTM, JIS, BIS, DIN, ISO, Railways and other national/international specifications
    • Optional support of preparing specimen shapes from dies like rectangular, slit, dumb bell, circular, crescent tear, angular tear as per requirements


    • Rubber
    • Leathers
    • Fabrics
    • Foam
    • Flexible/semi-rigid plastics
    • Similar other materials

    Other Details:

    • Obtaining test specimens as per BIS, DIN, ASTM, JIS, ISO, Railways, Defense and other national and international specifications.

    Additional Information:
    • Item Code: PDC-115
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    Product Details:
    Air CirculationMotorized Recirculation
    Body MaterialMild Steel
    Capacity (Kilogram)125ltrs
    No of ChamberOne
    No of trays4.0
    Power (KW)5kw
    PRIMA Series Hot Air Oven

    Digital Hot Air Oven (Universal Memmert Type Model) – PRIMA Series is the amazing testing device which is designed ergonomically by the highly skilled professionals of Presto to perform different types of tests on various types of products at elevated temperature, compression set, hot deformation, heat resistance such as ageing and compression set. The testing instrument is designed with Digital Temperature Indicator cum Controller and Hot Air Blower. A control panel with all indicators is provided on the top side of the main body that allows easy accessibility and maintenance. The device is equipped with two stainless steel trays that are used to place the samples. The device is provided with a calibration certificate that is perceptible to NABL approved labs. The heaters of the machine are industrial types. It also has an air circulating fan which ensures even distribution of hot air inside the chamber.

    Other sizes are available on customer’s demand.
    Ovens with temperature up to 300oC are offered for some specific applications.
    The device is duly painted with the very elegant blue and grey color combination to provide elegantly and rest resistant finish to the instrument.
    It is provided with user guide, electrical diagram, and a calibration certificate.

    Graphical LCD displays with simple messages in the form of images and values.
    Auto-tune ADVANCE PID controller for temperature control.
    5-soft touch keys for easy operation.
    LED indicator to indicate different parameters.
    The soft on-off key for power control.
    Feather touch key operation.
    Fan Enable/Disable option.
    PT-100 type sensors.
    Fan On/Off Timer settings option.

    Alarm buzz:
    When the test process initiated and the system stops
    When the temperature exceeds Low Limit/High Limit.
    LEDs indications for Power-on, Heating, Timer, SSR-based output controls, PID parameters settable in the menu, RTC(Real Time Clock), Fan, Alarm, etc.
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    Tensile Testing Machine – Digital Cum Computerized - Table Top Model

    With the state of art ergonomics, the testing machine is designed to test the breaking strength of the packaging related finished products and raw materials. It is designed with the single column vertical movement on the low friction ball screws. It is a high-quality tabletop model which is designed keeping in mind the convenience of the operators. The machine is used to test the strength of different types of products that are used in various applications like metals, plastics, rubbers and many more. The machine is designed by the highly skilled professionals to test the strength of the materials

    • Load Cell Capacity: 100 kg force.
    • Least count: 100 gm.
    • Resolution: 0.1 gm.
    • Span (Grip to grip separation) : 650 mm
    • Test speed: 100 mm/min. / 200 mm/min.
    • Instruments dimension : 620 mm x 720 mm x 2000mm (L x W x H)
    • Power supply: 220 V AC, 50 Hz.
    • Speed Drive: 50 to 500 mm/min.

    • Easy to operate.
    • Reliable test results.
    • Provided with instruction guide and calibration certificate.
    • Designed as per the standards such as ASTM, ISO.
    • Additional Features of Computerized Model:
    • Graphical test report shows Force vs. Time .
    • The test report can be saved easily to PC.
    • 10 test reports in one report.
    • Company logo and address are mentioned in the Test Report.
    • The reports can ve emailed.
    • The data can be maintained in the excel.
    • The report explains the name of the product, batch number, operator name, standards, shape of the product, date and time of test and remarks.
    • Auto-cut facility
    • The computer is not the part of the offer.
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    Product Details:
    MaterialMild steel
    Capacity of Jack2.5 ton
    Test FluidHydraulic Oil.
    Volatge220v to 420v
    Product TypeCutting Press

    Dumbbell Cutting Press is fitted with highly suitable cutting dies to cut the samples easily and efficiently. The device is used in rubber industries to cut the samples of required sizes. The device ensures highly reliable and accurate test results. The machine is incorporated with a hydraulic press whereas the dumbbell cutting die is placed in a fixed plate with downwards facing edges. The sample is placed on the moving plate which is moved with the help of a hydraulic jack, pneumatic & hand wheel type.



    • Easy to operate
    • Table top model.
    • Best for cutting highly precise and accurate shape of samples.


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    Product Details:
    Number of specimen tested at one time 3
    Maximum separation of grips 200 mm
    Product TypeTension Set Apparatus

    • Presto Tension Set Apparatus comprises two pairs of grips that allows holding three test specimens as well as arrangement for increasing distance between each pair of grips so as to provide for desired elongation
    • Screws coming mounted on ball bearings that can be manually rotated using handle
    • Apparatus coming finished in bright chromium plating that provides for corrosion resistance finish
    • Can also be kept inside hot air oven that allows conducting test at elevated temperatures


    • In rubber industry for checking of rubber components
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    Presto Stantest Private Limited

    Gaurav Malhotra (Marketing Manager)
    I-42A, DLF Industrial Area, Phase 1 Delhi Mathura Road
    Faridabad - 121003
    Haryana, India
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