New formulations of sunflower based bio-lubricants with high oleic acid content – VOSOLUB project | OCL

Open Access

Table 1

Analytical results on main specification requirement on based VHOSO oil.

Properties	Tests	Unit	Methods	Results	Specification
					requirements

Composition and	Fatty acids composition	% (m/m)	ISO 5508/5509	87.5	Min 87% oleic
characteristics	and content				acid

	Tocopherols content	mg/kg	ISO 9936	691	To be reported

	Triglycerides polymers	% (m/m)	ISO 16931	ITERG	Max 3
	composition and content

	Iodine value	cg I₂/g	ISO 3961	85	Max 100

	Peroxide value	méqO₂/kg	ISO 3960	0.9	Max 1.5

	Metals by ICP-OES	mg/kg	ASTM D 5185	All < 1	Excepted Exepted P,
					other metals < 3

	Phosphorous content	mg/kg	ASTM D 5186	<1	Max 50
	by ICP-OES

	Acid number	mg KOH/g	ASTM D 664	0.05	To be reported

	Water content	% (m/m)	Karl Fisher	0.009	Max 0.1

Viscosity	Kinematic viscosity	mm²/s	ISO 3104	Gelified	Convenient for
	at 0 °C				formulated products

	Kinematic viscosity	mm²/s	ISO 3104	39.86
	at 40 °C

	Kinematic viscosity	mm°/s	ISO 3104	8.546
	at 100 °C

	Viscosity index		ASTM D 2270	200	Min 190

Cold properties	Cloud point	°C	ASTM D 2500	−13	To be reported X

	Pour point	°C	ISO 3016	−15	Min −15
					(Better −20°C)

	Low temperature stability	Viscosity	ASTM D 2532	Gelified	Initial viscosity ± 10%
	7 days at −10°C	change (%)

Hot properties	PMCC flash point	°C	ASTM D 93	>300	Min 200

	COC flash point	°C	ASTM D 92	322	Min 220

	Fire point	°C	ASTM D 92	352	Min 250

	Autoignition point	°C	ASTM E 659	423	Min 350

	Noack volatility loss	% (m/m)	ASTM D 5800 mo	0.1	Max 2
	at 150 °C

Surface properties	Foaming characteristics	ml/s	ISO 6247	10-0/10-0/10-0	50-0/20-0/50-0

	Air release value	Min	ISO 9120	<1	Max 7

	Demulsibility	ml oil/ml wat/ml	ISO 6614	41/39/0 (15)	40/40/0 (30)
		emu (min)

Anti-oxidant properties	Baader ageing at 95 °C –	%	DIN 51554-3	23.18	Max 10
	72 h (viscosity change)
and thermal stability

	Rotating Pressure Vessel Oxidation	Min	ASTM D 2271	47–46	Min 49
	Test (RPVOT) at 120 °C without water

	Oxidation rancimat at 110 °C	Hours	ISO 6886	27.7	Min 25

Anti-wear and	Four-balls wear test	mm	ASTM D 4172	0.62	Max 0.5

EP properties	Welding load by four-balls test	kg	ASTM D 2783 mo	126	Min 126

Anti-corrosion	Copper corrosion test	Cotation	ISO 2160	1a	To be reported
properties

	Steel corrosion test	Cotation	ISO 7120 A 4h	Fail (20% surface)	To be reported

	Steel corrosion test	Cotation	ISO 7120 A 24h	Fail (30% surface)	To be reported

Compatibility with	Hardness change	Shore A	ISO 6072 NBR1-	0.8/−0.1/1.0/0.5	±10
elastomers			HNBR-FPM AC6-AU


	Volume change	%		4.8/2.4/1.0/−1,2	− 3 to + 10


	Change in elongation	%		−81/−38/−2/63	Max 30


	Change in tensile strenght	%		−71/4/2/61	Max 30

	Filtrability	FI	NF E 48-690	Plugged filter	Max 1.5

Environmental	Ultimate biodegradability	%	OECD 301B	83.7	Min 60
behaviour

	Acute toxicity on fishes, LC 50	WAF mg/l	OECD 203	>1010	Min 1000 mg/l WAF

	Acute toxicity on daphnia, IC 50	WAF mg/l	OECD 202	>1010	Min 1000 mg/l WAF

	Acute toxicity on algae	WAF mg/l	OECD 201	>1050	Min 1000 mg/l WAF
	(growth inhibition), EC 50

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