York Wire Company.

Thermal Class:

200°C

NEMA:

TF-1, TYPE 5

MIL

-I-3190/6 (grade A)

UL FILE :

E123956 (grade A)

Description:

540R Series is comprised of a two-component liquid silicone rubber continuously applied to premium electrical grade braided fiberglass sleeving. 540R Series offers superior coating adhesion to the fiberglass than extruded type products while retaining excellent flexibility and expandability over a wide range of temperatures (-55°C to+200°C).

Recommended Use:

540 Series is used where high temperature requirements are coupled with flexibility, abrasion resistance, moisture resistance, cut-through resistance, expandability and chemical resistance. Typical applications for 540R Series include DC motor lead protection, high current dry transformers and automotive under-the-hood wire protection.

Physical Properties:

Hardness:

30 durometer, shore A

Tensile Strength:

> 1000 ps

Elongation:

> 600%

100% Modulus:

300 psi

Tear strength:

150 ppi

Compression set:

> 8.0% (22 hrs @ 177°C)

Resistance to:

• Ozone: excellent
• Corona: excellent
• Radiation: excellent
• Sunlight: excellent
• Fungus: excellent

Availability:

Sizes:

540R Series is available in continuous spooled lengths or cut lengths in NEMA sizes #24 through 1".

Colors

540R Series is available in black, white, and tan. Other colors may be available subject to minimum order quantities and/or set-up charges.

Brand Names

547R Series is also available as VOL-SIL™ and SRG 300™.

Dielectric Grade	Product Number	Min. Ave. Breakdown	Min. Indiv.
A	547R	8000	6000
B	544R	4000	2500
C-1	542R	2500	1000
C-2	541R	1500	800