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Flex Testers

Providing you the best range of de mattia flex tester, cord flexing tester, scott flex tester and flexometer tester with effective & timely delivery.
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De Mattia Flex Tester
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De Mattia Flex Tester

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Product Details:
Model Name/NumberStandard
Surface FinishStandard
The De Mattia Flex Tester consists of a set of grips to hold test specimens in two tiers with their holding faces lying in the same vertical plane. The flexing and unflexing action is provided by holding one end of the test specimens in a fixed grip and the other end in a reciprocating grip. The set of grips has two fixed grips and one large reciprocating grip positioned between them in order to flex half of the test specimens while the other half are being unflexed. The reciprocating grip is fitted with gunmetal bushes, which slide on hardened and ground rods made of high carbon steel. The reciprocating motion is provided by an eccentric and linkage mechanism driven by an electric motor through a V-belt and pulleys.


Number of test specimens testedSix or twelve
Maximum opening between grips75 mm (adjustable)
Travel of reciprocating grip57.15 ± 0.1 mm (adjustable)
Flexing frequency300 ± 10 cpm (adjustable)
Motor¼ HP single-phase 230 volts AC
CounterSix digit electronic counter with memory back up

IS 3400 (Part 7) - 1967Methods of Test for Vulcanized Rubber
Part 7 : Resistance to Flex Cracking
IS 3400 (Part 8) - 1983Methods of Test for Vulcanized Rubber
Part 8 : Resistance to Crack Growth
BS 903 (Part A10) - 1984Methods of Testing Vulcanized Rubber
Part A10 : Determination of Flex Cracking (De Mattia)
BS 903 (Part A11) - 1985Methods of Testing Vulcanized Rubber
Part A11 : Determination of Crack Growth (De Mattia)
ISO R 132 - 1983Rubber, Vulcanized - Determination of Flex Cracking - De Mattia
ISO R 133 - 1983Rubber, Vulcanized - Determination of Crack Growth - De Mattia

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Cord Flexing Tester
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Cord Flexing Tester

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We have uniquely positioned ourselves as the leading manufacturers, exporters and suppliers of a distinct array of Cord Flexing Tester. Use for testing the flexibility of cord, our given range of tester is manufactured from the finest quality material and sophisticated technology in accordance with industry set standards. We also provide defect free tester at customer’s premises after examine it on numerous parameters.


  • Ease of use
  • Hassle-free functioning
  • Precisely engineered


Angle of oscillation45º on either side of vertical
Flexing60 flexing per minute (One flexing is one movement of 90º i.e. one complete to and fro movement consists of two flexing)
Force application on cordA weight hanger with grip for cord to applying a force of 5 N with an additional weight of 5 N to apply a total force of 10 N
Distance of guide rods below the axis of oscillation300 mm (min.)
Motor¼ HP single phase 220 Volt AC
CounterFive digit pre-set type electronic counter

IEC 60335.1 - 2001 Household and Similar Electrical Appliances (Part 1: General Requirements) Cl. 25.14

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Scott Flex Tester
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Scott Flex Tester

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The Scott flex tester is used for determination of operational life of flat transmission belts. Five test specimens taken from the sample of belt under test are flexed repeatedly over cylindrical hubs under a specified tension. The average number of flexing cycles which cause the plies of all the five test specimens to separate gives a measure of its dynamic fatigue life. The Scott Flex Tester consists of a set of five test stations, each station having an arrangement to hold one test specimen of specified dimensions in a set of self-tightening roller type grips, a hub over which the test specimen can be bent through the specified angle, and an arrangement to move the test specimen in a reciprocating motion over the hub.


Dimensions of test specimen210 mm x 25.4 mm x 4 ply
Number of test specimens that can be test simultaneouslyFive
Diameter of hubs32 mm
Angle of contact of the belt around hubs165°
Travel of belt in one direction66.5 mm
Load on each test specimen45 kg
Operating frequency160 cycles per minute
Motor½ HP single-phase 230 volts AC
Counters6 digit electronic type with reset and memory backup

ASTM D 430 - 1973Standard Test Methods for Rubber Deterioration - Dynamic Fatigue
Method A : Scott Flexing Machine
IS 6583 - 1972Specification for Train Lighting Belting
IRS E14 - 1970Specification for Train Lighting Belting

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Flexometer Tester
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Flexometer Tester

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Under the strict guidance of experienced professionals, we are manufacturing, exporting and supplying a fine quality assortment of Flexometer Tester. This is built on a rigid metallic base plate & can test up to six specimens at one time; the offered tester is perfectly designed utilizing the finest quality components and advance technology keeping in mind the market standards.


  • Smooth operation
  • Precisely engineered
  • High functionality


Angle of oscillation of grips22.5° ± 0.5°
Flexing frequency100 ± 5 cycles/minute
Dimensions of test specimens70 x 45 mm
Maximum number of test specimen that can be tested at one timeSix, twelve, or twenty-four
Motor¼ HP single-phase 230 volts AC

IS 5914 - 1970Methods of Physical Testing of Leather
LP 19 : Flexing Endurance
BS 3144 - 1968Methods of Sampling and Physical Testing of Leather
Clause 13 : Measurement of the Flexing Endurance of Light Leather and their Surface Finishes
IUP / 20 - 1963Official Methods of International Union of Leather Chemists' Societies

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