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Chains and Grinding Paper

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In Short

Chains and grinding paper are the primary cutting and abrasion consumables for Nodig high-speed cleaning machines. Chains break up deposits, roots and scale; grinding paper is used for surface preparation before epoxy coating.

When to use

  • Chains for mechanical removal of grease, scale and root intrusions.
  • Grinding paper for abrasive surface preparation before epoxy application.
  • Match chain type to the deposit hardness and pipe diameter.

When not to use

  • Worn chains with broken links – replace to maintain cleaning efficiency.
  • On structurally compromised pipes where abrasion could cause damage.

Frequently Asked Questions

How often should chains be replaced?

Replace chains when links are visibly worn, broken or when cleaning efficiency noticeably drops. High-frequency users typically replace chains every 50–100 operating hours.

What is grinding paper used for?

Grinding paper creates the mechanical surface roughness needed for good epoxy adhesion. Used after chain cleaning and before applying epoxy resin.

Are Nodig chains compatible with other flexshaft machines?

Nodig chains are designed for Nodig V8, V1 and Mini6 machines. Compatibility with third-party machines depends on cable diameter and drive coupling. Contact us for confirmation.