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As per ASTM D 1603, IS 4984 and IS 2530 to determine carbon black content of plastics.
International Equipments is a leading manufacturer, supplier and exporter of Carbon Black Content Apparatus in India. Built at our Mumbai facility, our Carbon Black Content Apparatus is a purpose-built pyrolysis-based instrument that determines the exact percentage of carbon black in plastic samples - primarily HDPE water and gas pipes - strictly as per ASTM D 1603, IS 4984 and IS 2530.
Carbon black content is one of the four most important QC tests for any HDPE water pipe, PE gas pipe or HDPE PLB telecom duct (along with Hydrostatic Pressure, Carbon Black Dispersion and OIT). The 2.0% to 2.5% carbon black loading required by Indian and international standards is what protects the pipe from UV degradation over its 50-year service life - the difference between a pipe that lasts five decades and one that becomes brittle and cracks within months of outdoor exposure. Our Carbon Black Content Apparatus delivers the exact percentage measurement that BIS-certified HDPE pipe manufacturers need for ISI mark documentation, BIS audit and routine batch QC.
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A Carbon Black Content Apparatus - also called a Carbon Black Tester, Pyrolysis Furnace Apparatus or Carbon Content Determination Setup - is a specialised laboratory instrument that determines the carbon black percentage of a polymer sample by the pyrolysis method specified in ASTM D 1603. The sample is placed in a combustion boat inside a heated combustion tube, then heated to a controlled high temperature (typically around 550°C) in a nitrogen atmosphere. The nitrogen prevents the carbon black itself from burning while the polymer matrix is pyrolysed away. After cooling, the residual carbon black is weighed - giving the carbon black content as a percentage of the original sample mass.
The apparatus consists of a refractory-lined furnace, plus a complete set of glassware accessories - combustion tube, combustion boat, glass U-tube, glass end caps, glass traps, rotameter and rubber tubing - which together form the controlled nitrogen-gas-flow pyrolysis path. This is fundamentally different from a generic muffle furnace, which heats samples in air and would simply burn off both the polymer AND the carbon black, giving no useful carbon content data.
Our Carbon Black Content Apparatus is built around a precision furnace with a 10 inch × 8 inch × 8 inch working chamber - comfortably sized to accommodate the standard combustion tube assembly used in ASTM D 1603 testing. The furnace covers the full ambient-to-1150°C range, giving ample margin above the ~550°C pyrolysis temperature specified for the test, plus the higher temperatures needed for subsequent ash-content measurements.
The mild-steel outer body is powder-coated for long lab life. Standard 230 V / 50 Hz single-phase operation makes the apparatus compatible with any Indian or export laboratory power point - no three-phase connection required. Every essential glassware item is supplied as part of the standard accessory pack - combustion tube, combustion boat, glass U-tube, two glass end caps, three glass traps, a rotameter for nitrogen flow control and rubber tubing. The customer needs to arrange only the nitrogen gas cylinder, a precision analytical balance (typically 0.1 mg readability) and a desiccator for cooling.
Contact International Equipments today for a personalised quotation. Tell us your pipe type and the test standards you follow (ASTM D 1603, IS 4984, IS 14333, IS 14930, DOT specification) - our team will share pricing, delivery timeline and the matched Carbon Black Content + Carbon Black Dispersion package option for the complete carbon-black QC requirement.
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