PROJECT

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MY TRAINNING PERIOD

By F.JOSEPH KINGSLIN JOSHUA

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About company

HIL Limited (formerly Hyderabad Industries Limited) is one of India’s most respected names in the building material solutions industry.

HIL is a pioneer of green building materials, producing roofing solutions, panels, walling blocks, plywood substitutes, high-quality pipes and fittings, and industrial insulation.

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Green raw materials

Green manufacturing process

Green energy profile

Zero byproducts

Green products

ABOUT QUALITY

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PVC

CPVC

CPVC PIPE

CPVC FITTINGS

uPVC

uPVC PIPE

uPVC FITTINGS

Our Products

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About Testing

HIL performs various types of testing in order to preserve the quality of the product.

HIL’s strategic advantage lies in Quality and our work on product upgrades, better utilization of raw materials, development of substitute materials, new products and innovative applications.

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CPVC CPVC uPVC uPVC

SDR 11 SDR 13.5 SCH 40 SCH 80

½ ½ ½ ½

¾ ¾ ¾ ¾

1 1 1 1

1 ¼ 1 ¼ 1 ¼ 1 ¼

1 ½ 1 ½ 1 ½ 1 ½

2 2 2 2

SCH80 SCH40 SCH40 SCH802 ½ 2 ½ 2 ½ 2 ½

3 3 3 3

4 4 4 4

PIPES AND CLASS

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FLATTENING TEST

IMPACT TEST

REHO TEST

TENSILE TEST

OPACITY TESTMALFUNCTION TEMPERATURE OF

CPVC MATERIAL

HYDRO STATIC PRESSURE TEST

Test carried out

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REVERSION TEST

VICAT SOFTENING TEST

BURST PRESSURE TEST

DENSITY TEST

ASH CONTENT TEST

BULK DENSITY TEST

TEST OF CHLORIN CONTENT

CONGO RED TEST

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FLATTENNG TEST

I. Cut three samples, each 50 mm long from the pipe.

II. Place the samples, one at a time, between two parallel plates and flatten the samples until the distance between the plates is 40%

III. Remove the load and examine the samples for evidence of splitting, cracking or breaking.

IS 12235

It is the method for the determination of resistance to damage on flattening under load

PROCEDURE

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IMPACT TEST

I. 25 pipes test specimens of length 200+10 mm shall be cut from pipe selected at random from the batch

II. The test specimens shall be conditioned in air at a temperature of O°C for one hour

III. The height of the Impact test differs by the OD of the pipe

IV. Check for any cracks or any defects in the pipe

IS 12335

PROCEDURE

The method for determination of the resistance to external blows

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IS 12335

CONDITION FOR FALLING WEIGHT IMPACT TEST

Nominal out side diameter mm

Mass of falling weight kg

Fall height mm

Up to and including 25

0.25±0.5% 500±10

32 0.25±0.5% 1000±10

40 0.25±0.5% 1000±10

50 0.25±0.5% 1000±10

63 0.25±0.5% 2000±10

75 0.50±0.5% 2000±10

90 0.50±0.5% 2000±10

110 0.50±0.5% 2000±10

125 and above 1.00±0.5% 2000±10

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REHO TEST

I. Take the compound of 56g

II. Start the Reho and set the temperature to 190°C and 180°C for CPVC and uPVC compound

III. Set the RPM to 45

IV. When temperature reaches 190°C pour the compound in the mould and start the graph in the computer at the same time

V. Add 5kg of external weigh plus manual press

VI. Loading point, fusion point and degradation point is noted.

IS 15225

PROCEDURE

A method for determining the compound properties.

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TENSILE TEST

I. 5 pipes test specimens of length 200 mm shall be cut from pipe selected at random from the batch

II. The specimen is kept in hot air at 150°C for 20min. and cut into dumble shape then conditioned in an atmosphere with a temperature for 24 hrs.

III. The speed of separation shall be maintained at 50 mm/min.

IV. Load at yield point and percentage of extension is calculated.

IS 12335

PROCEDURE

A method for determining the tensile properties, includingElongation.

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OPACITY TEST

I. 4 test specimens 50*50 mm shall be cut from pipe selected at random from the batch

II. The specimen is kept in hot air at 150°C for 15-20min. and made it into flat shape.

III. Calibrate the machine to level 0.48

IV. Place the test piece in the Opacity tester and start the test.

V. Percentage Of light should be ≤ 0.2

IS 12235

PROCEDURE

A method for the determination of the opacity of plastics pipes andfittings.

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MALFUNCTION TEMPERATURE TEST OF CPVC MATERIAL

I. 10 test specimens of 300 mm shall be cut from pipe selected at random from the batch and add 7 double sockets and 4 elbows90°

II. The specimen is conditioned with solvent cement for 24hrs in room temperature and 48hrs in 95±2°C in no pressure in water.

III. After conditioning increase the pressure to 1.0 Mpa

IV. The duration of the test is conducted about 1000hrs.

IS 15778

PROCEDURE

A method for verifying the malfunction temperature of CPVC material for piping system intended to be used for hot and cold water installation.

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HYDRO STATIC PRESSURE TEST

COLD WATER BATH

HOT WATER BATH

IS15778

A method for verifying the Hydro Static pressure for piping system intended to be used for hot and cold water installation.

TYPES

DEFINITION

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COLD WATER BATH TEST

I. 3 test specimens of 400 mm shall be cut from pipe selected at random from the batch

II. The specimen is clamped with leakage proof.

III. Both CPVC and uPVC are conducted for one hr test with the temperature about 23°C

IV. Pressure= [(430*2*min. wall thickness )/(avg. OD-min. wall thickness)]

V. The pipe should withstand at the given pressure at 23°C

IS 15778 & ASTM D 1785

Note: Formula only for CPVC

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COLD WATER BATH TEST

I. For uPVC has direct pressure value

IS 15778 & ASTM D 1785

SIZE SCH 80 SCH40

½ “ 122.7 86.2

¾ “ 99.3 69.6

1 “ 91.0 65.5

1 ¼ “ 75.2 53.1

1 ½ “ 68.3 47.6

2 “ 58.6 40.0

2 ½ “ 95.64 68.21

3 “ 84.33 59.04

4 ” 73.11 49.96

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HOT WATER BATH TEST

I. 3 test specimens of 400 mm shall be cut from pipe selected at random from the batch

II. The specimen is clamped with leakage proof.

III. CPVC SDR-11 pipe are conducted for six min. test with the temperature 82°C at 36kg/cm² & CPVC SDR-13.5 pipe are conducted for six min. test with the temperature 82°C at 29kg/cm² for Type A and CPVC pipe are conducted for 4hrs. test with the temperature 82°C at 25.4kg/cm² for Type B As Per ASTM D 2846.

IV. The pipe should withstand at the given pressure at 82°C

IS 15778 & ASTM D 2846

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REVERSION TEST

I. The test specimen shall consist of a length of pipe approximately 200 mm long.

II. Two circumferential marks shall be marked on the test specimen 100 mm apart and in such a way that one of these marks is approximately 15 mm from one end of the specimen

III. The test piece is immersed in the oil bath at 150°C for 15min.

IV. The contraction/elongation of the pipe should be less than 5%

IS 15778

REVERSION TEST

A method for verifying the change in length of the piping system intended to be used for hot and cold water installation.

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VICAT SOFTENING TEST

I. Two test piece of length 50mm and width 10-20mm with the wall thickness of the pipe is 4 mm, If greater than 6 mm reduce it to 4 mm by machining the outer surface of the pipe

II. Flattened the piece by heating them to 140°C for 15 min, while resting a thin metal plate on them.

III. Condition the test pieces for 5 min at a temperature around 50°C

IV. When temperature reaches 50°C add the 50±1N load and set the comparator to zero position.

IS 15778

The determination of the temperature at which a standard indenter penetrates 1 mm into the surface of the test specimen.

PROCEDURE

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PROCEDURE

V. Raise the temperature of the bath at a uniform rate of 50 ±5°C/hr.

VI. When the comparator makes one complete rotation note the temperature.

IS 15778

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BURST PRESSURE TEST

I. Two test specimens of 400 mm shall be cut from pipe selected at random from the batch

II. The specimen is clamped with leakage proof.

III. The test can be carried out in cold water of temperature of 23°C

IV. Maximum amount of pressure is applied in the pipe

V. Note down the burst pressure value of the pipe

ASTM 1785

PROCEDURE

The determination of Pressure at which the specimen cracks its wall surface.

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DENSITY TEST

I. The test specimen shall be 2 to 5 piece of 10X10mm

II. Weigh the specimen in air to the nearest 0.1 mg.

III. Mount the immersion vessel on the support, and completely immerse the suspended specimen in the water at water temperature

IV. Calculate the density of the specimen.

IS 12235

A method of test for the determination of density or relative densityof non-cellular plastics pipes

PROCEDURE

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ASH CONTENT TEST

I. Weigh the empty crucible as M1.

II. Introduce into the crucible 2 g to 5 g of the sample and reweigh as M2

III. Prepare the crucible by heating in the muffle furnace at 850 ± 50°C

IV. Place the crucible on the Holo type hot plate for 1 hr.

V. Remove the crucible from the Holo type hot plate and place it in the dessicator, allow to cool to room temperature.

IS 12235

A methods of determination of the ash content of pipes and fittings

PROCEDURE

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VI. After cooling add 1 to 2 ml of sulphuric acid and put the crucible in muffel furnace for 3hr

VII. Introduce the crucible in the dessicator till it cools down and weigh as M3

VIII. Calculate. The ash percent.

IS 12235

PROCEDURE

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BULK DENSITY TEST

I. Make a perfect layer of compound on top funnel

II. Start the timer and open the gate at same time

III. When the compound fills in the cylinder stop the gate and the timer

IV. Weigh the compound

V. Bulk density=weight of the compound/volume of the cylinder

PROCEDURE

It is defined as the mass of many particles of the material divided by the total volume they occupy

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TEST OF CHLORIN CONTENT

I. Place a test portion of about 25 mg to 35 mg weighed to 0.01 mg on a filter paper.

II. Introduce about 20 ml of water, 1ml of potassium hydroxide solution and 0.15 ml of hydrogen peroxide solution in to the flask pass oxygen through a glass tube at 250 ml/min to 350 ml/min for 5 min to displace the air.

III. Ignite the filter paper tail with a gas flame and quickly insert the stopper carrying the platinum wire and burning filter paper into the flask.

IV. During combustion, keep the flask inverted.

IS 15778

The test sample is oxidized with gaseous oxygen followed by potentiometric for the result of chlorides.

PROCEDURE

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PROCEDURE

V. After 30 min open the flask and transfer the contains quantitatively to a 250 ml beaker, rinsing so that the final volume is about 60 ml, add about 1 g of sodium nitrate and 2.5 ml of nitric acid solution.

VI. By potentiometric titration with silver nitrate solution.

VII. To calculate the chlorine content

VIII. where V1=volume of silver nitrate solution used for determination V2=volume of silver nitrate solution used for blanktest m=mass of the test sample

IS 15778

3.5453x0.1x(V1-V2)----------------

m

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CONGO RED TEST

I. Fill the test tube about 10-15gm of compound

II. Partially insert the litmus paper in the test tube and close it with cork

III. Set the oil bath to 180°C

IV. Check the litmus paper turn blue and note the time taken

IS 15778

PROCEDURE

Theory of this experiment is that when the PVC at a temperature of about 180 when rapid decomposition, but with the addition of a ℃heat stabilizer, suppresses the decomposition, with time, the heat stabilizer consumption occurs when the consumption is completed

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TYPES OF POLY BAGS

PACKING MATERIAL

14X14X9

12X12X6TYPES OF

CARTOON BOX

3251X317.6

6251X317.6 UPVC

WOVEN SAC

K

3251X317.6

5257X317.6 CPVC

WOVEN SAC

K

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THANK YOU