Howarth’s Reagent

£24.00£47.00 Exc VAT

This solution reveals the overheating and burning areas of Iron + Carbon steels and Iron +(<1%)Carbon +(<4 %) additions.



Immerse for 30 seconds. Swab in running water. Repeat three times and repolish lightly.

Additional information

Weight 0.27 kg
Dimensions 6 × 6 × 14 cm
Volume (mls)

, ,

Etchant Type

Indicated Use


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