rapid plastimeter manufacturer tensile testing machine exporter
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resilience tester water vapour permeability tester
adhesive testing equipment suppliers air permeability tester,dry cleaning machine
air permeability tester,dry cleaning machine
air permeability tester,dry cleaning machine
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building hardware testing equipment manufacturer

We at, Prolific Engineers, are manufacturers, exporters and suppliers of adhesion testers, adhesive testing equipment, automobile accessories testing equipment, building hardware testing equipment, cables & conduits testing equipment in India.

Rapid Plastimeter

rapid plastimeter
A rapid plastimeter is commonly used for simple and quick determination of plasticity of unvulcanized and raw rubbers. It is very simple in operation and does not need any special skill or judgement for obtaining reliable values of plasticity. This equipment can also be used for testing polyurethane.

The PROLIFIC Rapid Plastimeter consists of a pair of parallel circular platens of smooth flat surface movable in relation with one another. Both the platens are heated with the help of individual electric heaters so that the material being tested and the area surrounding it can be maintained at test temperature of 100 oC. The temperature is controlled with the help of individual temperature indicator cum controllers.

Both the platens are made of chrome plated bronze with lower platens having provisions of holding stainless steel anvils. Three anvils are provided to cover a wide range of plasticity.

In the Manual Model, a manually operated lever rapidly moves down the upper platen for compressing the specimen to an initial thickness of 1.00 mm through a cam operated loading arrangement. A dead weight and lever arrangement applies the test load on the specimen through the lower platen. A dial gauge indicator is provided to continuously monitor the thickness of the test specimen.

In the Automatic Model, a pneumatic cylinder rapidly moves down the upper platen for compressing the specimen to an initial thickness of 1.00 mm. The specified test load is then applied on the specimen automatically through the lower platen after the specified duration with the help of a dead weight and another pneumatic cylinder. The thickness of the specimen during the test is indicated on a digital thickness meter with the help of a LVDT. The reading of the display of thickness is frozen at the end of the test duration. The timing for pre-heating and test duration are indicated and controlled with the help of a double display electronic timer. The whole testing is totally automatic. The compressed air line with air pressure of 7 kg / cm2 or higher is to be provided by the user. A motor operated compressor with pressure switch is available as optional accessory.

An arrangement for compensating for the thickness of tissue paper is provided, which is carried out only when there is any change in the thickness of tissue paper used.

The various components are fixed on a steel fabricated panel with various digital indicators fitted in front of the same. The panel is finished in grey enamel paint. Various components are bright chrome / zinc plated to give them a corrosion resistant finish.

A punch for preparing test specimen of required size is available as an optional accessory.

Dimensions of upper anvils
7.3 mm, 10.0 mm, and 14.0 mm dia - 4.5 mm thickness
Test temperature
100º C
Test load
10.2 kg

IS 3660 (Part 11) - 1989
Methods of Test for Natural Rubber
Part 11 : Determination of Plasticity
BS:903 : Part A59 -1990
Physical Testing of Rubber
Part A59 - Method using Plastimeter
ASTM D3194 - 99
Standard Test Method for Rubber from National Sources Plasticity Retention Index (PRD)

Drum Friction Tester

rapid plastimeter
The ability of conveyor belts to withstand successfully without igniting the effects of heat produced in it due to friction encountered by it while running is ascertained by subjecting a test specimen cut out of the belt to a drum friction test.

In this test, the test specimen is bent over a steel drum into a semi-circular shape under a specified tension and is held in such a way that it cannot move. The drum is rotated at a fixed speed against the belt, thus producing heat because of frictional force between the belt and the drum. An air current is provided to cool the drum during the running operation.

The PROLIFIC Drum Friction Tester for conveyor belts consists of a rigid fabricated frame made from mild steel channels and angles. A steel drum of 200 mm diameter and 350 mm length is mounted on a set of ball bearings and serves as the friction drum for the test. The top surface of the drum is hard chrome plated to providing abrasion resistance.

Motion to the drum is given with the help of a counter-wheel and a chain and sprocket arrangement. The drive to the counter-wheel assembly is given from a 3 phase - 10 HP (7.5 kW) motor through a belt and pulley arrangement. The speed of rotation of friction drum is 190 ± 10 rpm. A suitable starter for safety of the motor is also provided.

The test specimen is held in a flat grip at one end and bends through an angle of 180° over the friction pulley. It then passes over a guide pulley of 70 mm diameter and 250 mm length. The free end of the belt hangs vertically below the guide pulley. A dead weight of 32 kg can be suspended from this free end to apply the required tension on the test specimen. A micro-switch is provided to stop the motor on breakage of the test specimen. A digital temperature indicator with a thermocouple probe is provided for measuring the temperature of the drum surface.

An air line of 12.5 mm diameter having holes on one side is fixed at a specified distance from the drum to provide cooling to it. A rotating vane type anemometer with analogue output is provided to measure the airflow. A filter regulator with pressure gauge is provided to supply air at regulated pressure to the air line.

Air compressor with an electric motor and pressure switch is available as optional accessory with the equipment.

IS 3181 - 1978
Specification for Fire Resistant Conveyor Belting for Underground Use in Coal Mines
IS 1891 (Part 5) - 1993
Conveyor and Elevation Textile Belting - Specification
Part 5 : Fire Resistance Belting for Surface Application
Department of Energy, Mines and Resources Canada
Certification of Fire Resistant Conveyor Belting for use in Mines (Second Edition - March 1969)

Water Uptake Tester

water uptake tester
When any game is conducted on a wet field or under rain, the surface of the ball used for the game undergoes some changes. One of these changes is in its weight while the other change is in its circumference. Also, repeated usage of a ball under wet conditions may also reduce its useful life.

The effect of moisture on these three parameters is checked by subjecting a football inflated to a pressure of one bar and placed it in a shallow water trough containing a two centimetre high column of water to a simulated test. In this test the ball is rotated within the trough to enable it to get wet symmetrically over whole of its surface. The ball is simultaneously pressed down into the water trough. The increase in its weight and circumference are checked after a specified number of pressing operations to evaluate the effect of soaking wet conditions after a full game.

The PROLIFIC Water Uptake Tester for footballs consists of a water trough in which the ball is kept for wetting, a pneumatically operated arrangement to press down the ball repeatedly after a pre-set time interval, two adjustable rotating cylindrical nylon discs for supporting the ball on two side at right angles to each other, and two synchro-set motors positioned at right angle to each other to rotate the ball when it is not being pressed, alternately in clockwise and anti-clockwise directions.

The water trough is made of brass casting. Water is kept inside the trough to a height of two centimetres. The ball is placed in the centre of the trough and is in contact with its base. It is held in position with the help of two adjustable rotating cylindrical nylon discs.

The pressing arrangement for the ball consists of a pneumatic cylinder, a timer, a solenoid valve, and a FRL unit. The force exerted by the pressing plate on the ball can be altered by adjusting the pneumatic pressure.

The ball is rotated when it is not being pressed with the help of two synchro-set motors. These motors are positioned at right angle to each other. Only one motor is operated at one time. The two motors are operated alternately with the help of the same timer, which also controls the movement of the pneumatic cylinder, thus synchronizing the three movements.

A digital counter with memory backup for counting the number of pressings and stopping the test after a pre-set number of operations is also provided.

The equipment is finished in grey hammertone stoving painting and bright chrome / zinc plating to give it a corrosion resistant finish. Parts that are in contact with water are made from non-corrosive materials.

Maximum diameter of balls which can be tested
250 mm
Force exerted on the balls
Frequency of pressing operations
40 cycles per minute
4 digit pre-set type digital counter with memory backup

Shooter Tester

shooter tester
The effect of normal use on the surface of a football is determined by subjecting the ball to a simulated test where it is shot against a flat surface repeatedly and the effect of such impacts on its surface observed to evaluate its quality.

One of the methods employed for this simulation uses two cylindrical rollers to compress the ball. The ball, on coming out of the rollers, shoots forward at a high speed and strikes the test surface placed at a fixed distance. It is then guided back to the rollers and the action gets repeated automatically. The effect of these impacts on the surface is observed At the end of desired number of impacts to ascertain its quality.

The PROLIFIC Shooter Tester for footballs (roller type) consists of two rollers between which the ball is compressed, a steel plate placed at a known distance from the rollers against which the ball strikes, and a guiding arrangement to bring the ball back to the rollers.

The rollers are made of mild steel plates and have a lining of plastic sheet fixed to them to act as a friction surface. The distance between the rollers can be adjusted to enable balls of different diameters to be pinched between the rollers and get compressed, as also to give the desired percentage compression to the ball.

One of the rollers is fixed while the other can be moved towards or away from it to change the distance between them. Both the rollers are given a positive drive with the help of a chain. The direction of movement of the rollers is opposite to each other. A chain tensioning arrangement is provided to compensate for the change in length of the chains due to the lateral movement of the rollers.

The steel surface against which the ball strikes after coming out of the rollers is placed at a fixed distance from the rollers. The lining on the test surface may be changed if it is desired to study the effect of impact against any specified surface such as concrete, asto-turf, wood, etc. Its inclination can be changed to adjust the trajectory of the ball after impact so that it can be caught in the guiding arrangement which takes it back to the rollers.

The ball is routed back to the rollers inside a cage made from steel rods. If the ball fails to be entrapped in the guide it can be placed back in the guide manually without stopping the rotation of the rollers.

The number of impacts given to the ball is counted with the help of a digital counter having a backup memory to retain the count on failure of electric supply. The counter is operated by an optical sensor which counts the number of times the ball passes between the rollers.

The equipment is finished in gray hammertone painting and bright chrome / zinc plating to give it a corrosion resistant finish.

Diameter of rollers
60 ± 1 cm
Width of rollers
30 cm
Distance between rollers
14 - 22 cm (adjustable)
Speed of rotation of rollers
380 ± 10 rpm
Distance of impact surface from the centre of rollers
250 ± 20 cm
Inclination of impact surface
8 to 30° to vertical (adjustable)
2 HP - three-phase 400 volts AC
Four digit pre-set counter with memory back up

ASTM D 1894 - 1967
Standard Test Methods for Static and Dynamic Coefficients of Friction of Plastic Films and Sheetings
ISO 8295 - 1995
Plastics - Film and Sheeting - Determination of the Coefficients of Friction

Air Permeability Tester

air permeability tester
Air permeability is the property of a fabric to allow passage of air through it under the effect of a difference in pressure across its two faces. It is defined as the volume of air passing through a defined area under a specified pressure difference over a known period of time. It is a very important property for fabrics which are used under conditions where it is necessary to know precisely the amount of air passing through it.

The PROLIFIC Air Permeability Tester for textiles consists of an arrangement to hold the test specimen between two flat faces so as to expose a known area to the flow of air through it, a vacuum system to draw air through the exposed area of the test specimen, arrangement to measure the volume of air flowing through the test specimen, and arrangement to measure the pressure drop between the two faces of the test specimen as a result of flow of air.

The test specimen is held between two annular ring shaped grips. The grips are lined with rubber gaskets to reduce flow of air through the edges. The two grips can be brought in contact with each other with the help of a hand operated screw arrangement. The test area can be altered by placing adapter discs of different openings in the grips.

The vacuum needed to draw air through the exposed area of the test specimen is created with the help of a vacuum pump supplied with the equipment. The volume of air passing through the test area is measured with the help of a set of rotameters. A digital pressure indicator is provided to indicate the difference in pressure between the two faces of the test specimen.

The equipment is assembled over a sheet metal panel and is finished in grey hammertone stoving painting and bright chrome / zinc plating to give it a corrosion resistant finish.

Test area
10, 20, 50, and 100 cm²
9 to 90; 65 to 650; 360 to 3,600; and 1,940 to 19,400 lph at NTP (accuracy ± 3% of FSR in each range)
Pressure indicator
Electronic type with a pressure transducer and digital display to measure and indicate pressure upto 999 mm water column (least count 1 mm)

IS 11056 - 1984
Method for Determination of Air Permeability of Fabrics
DIN 53887
Testing of Textiles - Determination of the Air Permeability of Fabrics

Dry Cleaning Machine

dry cleaning machine
Dry cleaning apparatus is used for preparing fabric samples for flammability testing. This apparatus can also be used for testing color fastness and dimensional changes during dry cleaning and during laundering.

The PROLIFIC Dry Cleaning Apparatus consists of a motor driven corrosion resistant stainless steel tumbler, which rotates around an axis 50° inclined to tumbler axis at approximately 45 rpm. The tumbler is also provided with a stainless steel cover with a rubber seal and a quick acting positive clamp. The tumbler is rotated with the help of an electric motor through pulley-belt, reduction gearbox, and chain and sprocket drive.

A pre-set type digital timer of 999 minutes is provided to indicate the actual run time and also to stop the motor after a pre-set time interval.

The equipment is built on a sturdy fabricated table type structure with lockable storage space for keeping the samples.

The apparatus is finished in grey hammertone / black enamel stoving painting and bright chrome / zinc plating to give it a corrosion resistant finish.

Dimensions of tumbler
220 mm diameter x 330 mm high
Rotational speed of tumbler
45 rpm
Axis of rotation
Inclined at an angle of 50° to the tumbler axis
Pre-set digital timer 999 minutes x 1 minute
¼ HP single-phase 230 volts AC

Code of Federal Regulation (USA) Title 16, Chapter II, Part 1610 - Standard for the Flammability of Textile Clothing.

Pilling Tester

pilling tester
Pilling is a fabric surface fault characterized by little pills of entangled fibres clinging to the surface. These are formed during wearing or washing by the entanglement of the loose fibres, which protrude from the fabric surface, and development of these into spherical bundles anchored to the fabric by a few unbroken fibres. These give a very unsightly look to the garments.

To determine the tendency to form pills, test specimens taken from the fabric sample are rubbed against each other under controlled conditions and the appearance of the test specimen after rubbing for the specified period is compared against standard rating photographs for grading the fabric under test.

The PROLIFIC Pilling Tester consists of two wooden cubic boxes with inside surfaces lined with cork and outer surfaces laminated. These boxes are rotated about their central axis at a specified speed with the help of a motor and a gearbox. A pre--set electronic counter with memory backup stops the motor automatically after the desired number of revolutions.

The test specimens are firmly held around rubber tubes. Four such tubes are placed in each box and then rotated for desired numbers of revolutions after which they are assessed visually against standard rating photographs and graded. (Standard rating photographs are to be arranged by the user).

The apparatus is finished in grey hammertone stoving painting and bright chrome / zinc plating to give it a corrosion resistant finish. The outer surfaces of pilling boxes are covered with black laminated sheet.

Sixteen rubber tubes, one insertion tool, and a template for marking of the test specimen are supplied as standard accessories.

Inside dimensions of wooden boxes
225 x 225 x 225 mm
Thickness of cork lining
3 mm
Speed of rotation of boxes
60 rpm
Dimensions of rubber tubes
32 outer diameter
25.5 inside diameter
140 mm length
¼ HP - single phase 230 volts AC
5 digit pre-set type electronic counter

IS 10971 - 1984
Method for Determination of Pilling Resistance of Fabrics
ISO 12945 (Part 1) - 2000
Textiles - Determination of Fabric Propensity to Surface Fuzzing and to Pilling Part 1: Pilling Box Method


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