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Flammability

Flammability2021-08-06T11:32:30-04:00

Flammability Testing Instruments

 Model CS-14 Test Chimney ASTM D3014
 Model CS-19M 45 Degree Flammability Tester ASTM D1230, D4151
 Model CS-88 Setchkin Ignition Cell ASTM D1329
 Model CS-91 Non-Combustibility Apparatus ISO 1182
 Model CS-178B Limiting Oxygen Index Tester ASTM D 2863
 Model CS-185 Vertical Flammability Tester ASTM D6413, D777, TAPPI T 461
 Model CS-186MV Horizontal Flammability Tester MVSS 302, ASTM D5132
 Model CS-196 Two Foot Tunnel ASTM D3806, C739
 Model CS-238 Vertical Tray Burning Apparatus IEEE 383, UL 1581, VDE 0472
 Copper Calibration Slugs With Thermocouple ASTM D5025, D5207, IEC 60695-11-10

Model CS-14 Test Chimney

Technical References
ASTM D 3014

Description
The Model CS-14 Test Chimney is used as a small-scale laboratory screening test for comparing the relative flammability of rigid cellular plastics. The body of the chimney and the channel, which carries three pins to support the specimen, are made from stainless steel.

The specimen is mounted in the vertical chimney having a heat-resistant glass front panel and ignited with a Bunsen burner for a period of 10 seconds. The height and duration of the flame and the percent weight retained by the specimen are recorded.

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Model CS-19M 45° Flammability Tester

Description
The CS-19M 45° Flammability Tester, featuring stainless steel, corrosion-resistant chamber, is used to determine the flammability of clothing and textiles used for clothing under carefully controlled conditions. The CS-19M consists of a draft-proof, ventilated chamber enclosing a standardized ignition source, sample rack, and automatic timing device. The ignition source is a motorized butane gas needle burner. Timing starts automatically at the moment of flame contact and is stopped automatically. The panel-mounted timer registers the flame spread rate with 0.1-second resolution.

Features

  • Sliding glass door
  • Push-to-start button
  • Electric timer with a quick reset button, 0.1-second resolution
  • Draft proof stainless steel chamber with vented top
  • U-tube manometer
  • Specimen holder
  • Manual and automatic (1 second or 20 seconds) impingement

Option Brushing Devise (CS-19BD) available

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Model CS-88 Setchkin Self-Ignition Cell

Technical References
ASTM D 1929

Description
The CS-88 Setchkin Self-Ignition Cell is a hot air furnace that provides a means of determining the lowest possible temperature of ambient air supplied at an optimum rate that would ultimately cause a specimen to ignite. The instrument is used to determine the self-ignition and flash-ignition temperatures of a variety of materials.

The CS-88 Cell consists of a vertically heated furnace tube with a 4-inch bore, 8.75 inches long, made of refractory material. The cell is heated by an electric current passed through a nichrome wire wound around the tube and embedded in refractory cement. An inner tube is placed inside of the furnace tube and rests on small blocks at the bottom of the furnace. The space between the tubes is used for circulation and heating of the air that is admitted tangentially to the refractory tube through a copper tube. The preheated air enters the inner tube from below. Thermocouples are provided to indicate the temperature of the specimen, air, and coils.

An option control unit, CS-88C is quoted as an option upon request.

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Model CS-91 Non-Combustibility Apparatus

Description
The CS-91 was developed for the purpose of testing building or marine construction materials to qualify them as non-combustible or combustible within the parameters of the test. The apparatus is essentially a hot air combustion chamber that consists of an electrically heated ceramic chamber 3 inches deep x 6 inches high with a top draft shield, a cone-shaped airflow stabilizer, and a partially enclosed stand that acts as a draft shield for the airflow stabilizer. The overall dimensions are 18 x 18 x 50 inches tall.

The general test procedure is to set the furnace temperature to 750°C. A special specimen holder is used to contain and lower the specimen into the furnace. Thermocouples are placed on the surface and in the center of the cylindrical sample. Temperature readings are recorded and the sample is observed for the occurrence and duration of any sustained flaming. Five test specimens are evaluated per sample.

An option control unit, CS-91C is quoted as an option upon request.

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Model CS-178B Limiting Oxygen Index Tester

Description
The CS-178B Limiting Oxygen Index Tester is used for determining the relative flammability of plastics and other materials in rod, film, or composite form. The relative flammability is determined by measuring the minimum concentration of oxygen in a slowly-rising mixture of oxygen and nitrogen that will just support combustion.

The instrument includes the test column of heat resistant glass which is positioned over a glass bead bed, and the gas control system. The individual oxygen and nitrogen gas control system consists of an in-line filter, pressure gauge, micro-adjustment flow valve, and a flowmeter. The gases are fed into a dispersion chamber below the glass bead bed. The beads help to further mix and disperse the gases evenly over the entire cross-sectional area of the test column. All parts are cleaned for oxygen service.

The flowmeters have a permanent scale printed directly on the flow tubes. A vertical guideline permits zeroing in tangentially on the center of the float ball for easy reading. The standard flowmeters have a maximum capability of 50% oxygen. The flowmeter setting chart ranges are computed for an oxygen flow between 16 and 45%. Higher maximum capacity flowmeters and expanded flow guides are available. The accuracy of flowmeters is 0.5% full scale from 10 to 90%.

Specimen holders for self-supporting and non-supporting specimen are available.

The method of operation is to select the desired initial concentration of oxygen based on past experience with similar materials. Allow the gas flow for 30 seconds to purge the system. Ignite the specimen so that the entire tip is burning. The relative flammability is determined by adjusting the concentration of gases which will permit the specimen to burn.

Calculate the Oxygen Index (n) by the following formula:

n (%) = 100 X 02 /02 + N2
where 02 and N2 are the volumetric flow (cc per second)

The optional smoke measuring system is placed over the top of the glass column. The system provides for the measurement of the opaqueness and light absorption characteristics of smoke as it is emitted from the burning sample. The enclosure permits the flow of smoke to pass into and out of the enclosure which has a light-producing source and a light-sensitive means to receive the light passing through the smoke. This light is measured and indicated on the recorder. The system is easy to use and will accurately measure the smoke produced by the burning test specimen.

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Model CS-185 Vertical Flammability Tester

Technical References
ASTM D 6413
TAPPI T 461
ASTM D 777

Description
The CS-185 Vertical Flammability Tester determines the flame and afterglow propagation and tendency to char of textiles when burned under controlled laboratory conditions. The stainless steel, draft-free cabinet is equipped with a burner and controls, a heat-resistant glass viewing window in the hinged front door, and comes with 5 specimen holders. Available in several configurations in order to meet a variety of test specifications.

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Model CS-186 MV Automotive Horizontal Flammability Tester

Technical References
MVSS 302
ASTM D 5132

Description
The CS-186MV is used in the laboratory to determine the burn rate of automotive interior materials. The stainless steel, draft-free cabinet has a heat-resistant viewing window in the front, a removable top, and a hinged side access door for inserting the specimen. The burner is mounted on the door and it has an adjustable flame height valve.

Automatic and manual models are available

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Model CS-238 Vertical Tray Burning Apparatus

Technical References
IEEE 383
UL 1581
VDE 0472

Description
The CS-238 Vertical Tray Flame Tester is designed to determine the fire resistance of cables. Due to fire hazards associated with cable insulating and jacketing materials, flame spread tests are imperative. The CS-238 provides a means of safely conducting cable flame tests. It features a steel ladder-type burning tray. Prior to testing, steel wire is used to fasten the specimens vertically to the tray.

The unit is equipped with a ribbon propane gas burner. Gas supply to the burner is regulated throughout the test by air/propane manometers and flow meters. A low-pressure line regulator adds additional safety and control to your test.

The flam produced by the ribbon burner rises to a height of 356-406 mm (14-16 inches) and has temperature capabilities of 878-962°C.

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Copper Calibration Slug with Thermocouple

Description
COPPER CAL SLUG W/THERMOCOUPLE, 20 MM FLAME
SSSC P/N: 03-5035-00

COPPER CAL SLUG W/ THERMOCOUPLE, 125 MM FLAME
SSSC P/N: 03-5036-00

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