Midel Nature Ester Oil

Property

Standard Test Methods

Requirement

MIDEL eN 1204

ASTM

ISO/IEC

ASTM D6871

IEC 62770

Physical

Colour

D1500

1.0

0.5

Flash Point PMCC (C

D93

ISO 2719

250

> 260

Flash Point COC (C

D92

ISO 2592

275

> 315

Fire Point (C)

D92

ISO 2592

300

300

> 350

Density at 20C (g/cm3)

ISO 3675

1.0

0.92

Relative Density (specific gravity) (15C/15C)

D1298

0.96

0.92

Viscosity (mm2/sec)

D445

ISO 3104

@100C

15

15

8.3

@40C

50

50

37

@0C

500

232

Appearance

D1524

Bright and Clear

Bright and Clear

Visual examination

IEC 62770 4.2.1

Clear, free from water and suspended matter and sediment

Clear, free from water and suspended matter and sediment

Biodegradation - OECD 301

Readily Biodegradable

Readily Biodegradable

Electrical

Dielectric Breakdown (kV)

D877

30

30

Dielectric Breakdown (kV)

D877

30

30

1 mm gap

D1816

20

45

2 mm gap

D1816

35

57

2.5 mm gap

IEC 60156

35

> 75

Gassing Tendency (l/min)

D2300

0

-46.1

Power Factor at 25C (%)

D924

0.2

0.20

Power Factor at 100C (%)

D924

4.0

4.0

Dissipation Factor at 90C (tan delta)

IEC 60247

0.05

< 0.03

Chemical

Corrosive Sulfur

D1275

IEC 62535

Non-corrosive

Non-corrosive

Non-corrosive

Water Content (mg/kg)

D1533

IEC 60814

200

200

50

Acid Number (mg KOH/g)

D974

IEC 62021.3

0.06

0.06

0.04

PCB Content (mg/kg)

D4059

Not detectable

Not detectable

Oxidation Stability (48hr)

ASTM D 2440

IEC 61125C

Total Acidity (mg KOH/g)

IEC 62021.3

0.6

< 0.1

Viscosity at 40C (mm2 /sec

ISO 3104

30% over initial

8%

Dissipation Factor at 90C (tan delta)

IEC 60247

0.5

< 0.1