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• Attrition Coatings

NML46
SINGLE PACK THICK FILM ATTRITION COATING

IP Code No - NML46

OMAT No - 7/78

Product Description -

Thick abradeable mastic coating, single pack product, used on engine compressor components. NML46 expands and contracts with the base metal to provide a replaceable wear away coating worn or damaged rings which can be very costly and time consuming. NML46 can be machined once cured, is resistant to oils, fuels and abrasion.

Approvals/References/Specs -

• MSRR 9012
• Available in Black - RR Code 139252 and
• Grey - RR Code 139019
• MTU - MTS1026A
• Turbomeca - TM9590000181

Application -

Various methods are in use the main one being the substrate is thoroughly cleaned and then primed using NML52.

The NML46 is thawed and then rolled or pressed into a 'kipper'. Using a release sheet is it then applied to the component face, which may be heated to 60-801C, using the release sheet as a backing strip. The compound may then be compacted into position with a small roller and the backing paper removed with great care. Apply for RPS 482/31.

Curing

• Heat for 1 hour at 80 +/- 5°C followed by an increase in temperature to 125 +/- 5°C over a period of 30 minutes.
• Heat for 1 hour at 125 +/- 5°C followed by an increase in temperature to 180°C over a period of 30 minutes.
• Heat for 2 hours at 180 +/- 5°C.
• The cure cycle shall be continuous.

Health & Safety

Before use, please request our latest health & safety data sheet.

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