Hydraulic oils

HYDROL^® L-HL

Quality class:	Quality class according to ISO 11158 – HL
Viscosity grade:	ISO VG: 10, 15, 22, 32, 46, 68, 100, 150

General features

Hydrol^® L-HL hydraulic oils for hydrostatic systems are manufactured basing on high quality mineral base oils and a set of enriching additives improving anticorrosive and antioxidative properties.

Application

Hydrol^® L-HL hydraulic oils are intended to be applied in low and medium loaded power transferring systems and in hydraulic driving and control systems of hydrostatic drive devices working with moderate temperatures.

Standards, approvals, specifications

DIN 51524 part 1,
NO-91-A231: 1998 – Hydrol® L-HL of the following viscosity grades: 15,32,46,
Oils with viscosity grade of VG 32 ,46, 68,100, 150 have been approved for application in mining and are granted a certificate issued by the Central Mining Institute allowing to mark the product with the security sign.

Physical and chemical properties

Parameters	Unit	Typical values
Parameters	Unit	10	15	22	32	46	68	100	150
Kinematic viscosity at 40⁰C	mm²/s	9.7	15.2	21.6	32.3	44.3	65.6	103.7	150
Viscosity index	-	102	102	103	103	101	98	93	93
Flow temperature	⁰C	-35	-35	-33	-30	-30	-27	-26	-24
Ignition temperature	⁰C	155	180	197	218	224	230	241	247
Resistance to foaming · susceptibility to foaming: foam volume after 5 min. of blowing with air at 25⁰C, · foam durability: foam volume after 10 min. standing still at 25⁰C standing still at 25⁰C	ml	50 0	50 0	50 0	30 0	30 0	30 0	20 0	20 0
Corrosiveness to copper 3 h/100⁰C, corrosion rate	reference sample	1a	1a	1a	1a	1a	1a	1a	1a
Deemulsifying properties – emulsion and water separation time to achieve: - 40 - 43 ml of oil - 37 - 40 ml of water - 0 - 3 ml of emulsion at	min.	15	15	15	20	30	35	40	40
	⁰C	54						82
Ability to release air at 50°C	min.	3	3	4	5	6	10	10	16
ATTENTION: Physicochemical parameters listed in the table are typical values. Real values are stated in quality control certificates attached to each product lot.