Ash Content Apparatus
Product Code : EL-FTLE-10899
Quick Answer: An Ash Content Apparatus determines a material's total filler content by burning away the polymer from a known sample in an air atmosphere above 500°C and weighing the resulting ash residue, expressed as % ash (total ash content = weight of ash ÷ weight of the original sample × 100%). It heats over a range from ambient to 950°C with ±5°C accuracy via a microprocessor-based digital PID controller, and conforms to ASTM D2584, ASTM D5630, and ISO 3451.
Scope:
An Ash test is used to determine whether a material is filled and to identify the total filler content, though it cannot identify individual percentages in multi-filled materials without additional test procedures being performed. It also cannot be used to determine the percent carbon fiber or percent carbon black, since carbon burns off during the Ash test.
Procedure:
An Ash test involves taking a known amount of sample, placing the weighed sample into a dried / pre-weighed porcelain crucible, burning away the polymer in an air atmosphere at temperatures above 500°C, and weighing the crucible after it has been cooled to room temperature in a desiccator. Ash residue remaining in the crucible is considered filler unless the residue is less than 1%; residues of less than 1% are typically the result of additives that did not burn off.
Data:
The Ash test result is expressed as % ash. A magnified optical examination of the ash residue is performed to determine if the ash is glass, mineral, or a combination of both. The total ash content equals the weight of the ash divided by the weight of the original sample multiplied by 100%.
Specifications:
Internal Chamber Size: Width 10cm x Height 10cm x Depth 22.5cm
System Status: Digital
Heating: Through custom high grade nichrome wire
Temperature Controller: Micro processor based double display digital PID controller
Temperature Range: Ambient to 950°C
Temperature Accuracy: ±5°C or better
Timer: Micro processor based double display digital timer at optional
Timer Range: Up to 999.9 Seconds / Minutes
Safety MCB / Fuse: Fuse available on electric panel
Insulation: 100mm double wall thick cera-wool insulation
Power Supply: 230V AC, Single phase, 50Hz
Mat. Of Construction :
Inner chamber: Tough treated ceramic
Outer chamber: Heavy CRC dual side powder coated
Standard: ASTM D2584, ASTM D5630, ISO 3451
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Last Updated: September 2026
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