# Service bulletin MOR\-FLOCK\-6520\-A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10168067
- Published by NHTSA: 2019\-11\-20
- Manufacturer's number: MOR\-FLOCK\-6520\-A
- Manufacturer's date: 2019\-11\-19
- NHTSA component: EQUIPMENT

## NHTSA's summary

INCIDENT: Drums \(YY00J4Q200\) and palls \(a010J6A004\) had high viscosity when received and had indication that viscosity of material was 800 mpa.s and 2000 mpa.s respectively. Material specifications is 100 to 400 mpa.s ROOT CAUSE INVESTIGATION FINDINGS: According to approved procedures materials was produced and tested on date of manufacture. Since date of manufacture, sample analysis have confirmed that viscosity of material has increased beyond specification range. No definitive cause can be found for the viscosity increase. CORRECTIVE/PREVENTATIVE ACTION: A manufacturing process change, by Dow, has been instituted \(does not impact raw materials or recipe\). An 8 week study is being conducted To validate that increase is not present.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168067-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168067-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories

## Vehicles listed

- DOW CHEMICAL CO DOW CHEMICAL CO

JSON: [/v1/bulletins/10168067](/v1/bulletins/10168067)

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