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Johnstone's Trade Mordant Solution is a pre-treatment solution for galvanised steel which converts the surface nature to ensure the subsequent adhesion of a wide range of top coats.

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Great customer service from the Greenford branch on two separate occasions this month. Courteous and polite and no quibbles. Well done.

ColinGreat customer service

Excellent service, very competitive prices for top quality supplies !!
Online ordering so easy !!

KelvinExcellent service

Always a good purchasing experience and excellent customer service.

AdamAlways a good purchasing experience and…

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