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Designed for use in industrial gearboxes ａnd general lubricating systems subject to high temperatures, RENOLIN UNISYN CKC oils are fully-synthetic lubricants based on polyalphaolefins. RENOLIN UNISYN CKC oils lower friction ａnd reduce wear. Furthermore, these oils increase the efficiency of machine components. Depending on the application, a number of viscosity grades can be satisfied by a single RENOLIN UNISYN CKC oil. This allows users to rationalize stocks ａnd cut costs. Polyalphaolefins, ａnd thus RENOLIN UNISYN CKC oils, are miscible ａnd compatible with mineral oils at all ratios ａnd can be disposed-of as such. The compatibility of polyalphaolefins with common machinery materials, seals ａnd paint finishes is comparable with that of mineral oils. Changing-over to RENOLIN UNISYN CKC is therefore very simple ａnd requires no prior flushing. RENOLIN UNISYN CKC oils can be classified as CKC lubricating oils according to ISO 6743-6.

The specific benefits of using RENOLIN UNISYN CKC oils are:

• Extremely good ageing resistance
• Excellent corrosion protection
• Good cold-flowing properties
• Excellent viscosity-temperature behaviour

Application:

RENOLIN UNISYN CKC oils can be used in bearings, lubrication systems ａnd gearboxes subject to high or fluctuating temperatures.
In gearboxes ａnd lubricating systems where the sump temperatures exceed 90°C, normal mineral oil change intervals can be significantly extended with RENOLIN UNISYN CKC oils which, in turn, substantially lower operating ａnd disposal costs.
When changing-over to RENOLIN UNISYN CKC oils in machines ａnd equipment which operate at temperatures of over 60°C, one viscosity grade lower than the normal mineral oil grade should be selected.

RENOLIN UNISYN CKC		68	100	150	220	320	460	680
Lubricating oil type
acc. to ISO 6743-6		CKC 68	CKC 100	CKC 150	CKC 220	CKC 320	CKC 460	CKC 680
acc. to DIN 51 502		HC 68	HC 100	HC 150	HC 220	HC 320	HC 460	HC 680
Characteristics	Unit								Test method
Kinematic viscosity
at 40 °C	mm²/s	72	104	151	221	315	479	668	ASTM D 445
at 100 °C	mm²/s	11.1	14.9	19.4	25.8	33.3	45	62	ASTM D 445
Viscosity index		146	149	147	148	148	149	159	ASTM D 2270
Density at 15 °C	kg/l	0.837	0.842	0.848	0.85	0.851	0.853	0.855	ASTM D 1298
Flash point, Cleveland open cup	°C	248	254	230	232	234	304	262	ASTM D 92
Pour point	°C	-51	– 45	– 45	– 42	– 39	– 33	– 33	ASTM D 97
Neutralization number	mg KOH/g	0.8	0.9	0.9	0.9	0.9	0.9	0.9	ASTM D 974
Foaming,
seq. I	ml	5/0	5/0	5/0	5/0	5/0	5/0	5/0	ASTM D 892 seq. I III
seq. II	ml	15/0	15/0	15/0	15/0	15/0	15/0	15/0	ASTM D 892 seq. I III
seq. III	ml	5/0	5/0	5/0	5/0	5/0	5/0	5/0	ASTM D 892 seq. I III
Copper corrosion	degree of corr.	1a-100A24	1a-100A24	1a-100A24	1a-100A24	1a-100A24	1a-100A24	1a-100A24	ASTM D 130
Rust prevention		pass B	pass B	pass B	pass B	pass B	pass B	pass B	ASTM D 665
Four ball EP test	N	2200	2400	2400	2400	2400	2400	2400	ASTM D 2783
FZG mechanical gear rig test	load stage	> 12	> 12	> 12	> 12	> 12	> 12	> 12	DIN 51 354-2