ARclad® 8458

ARclad® 8458 is a double-coated tape with silicone adhesive on either side of a polyetherimide carrier film. This tape is designed for use in high and low temperature applications requiring excellent long-term stability.

The typical use for this product is for flexible circuits, gaskets and flexible heaters where a wide service temperature range is required.

*All stated values are nominal and should only be used as a guide for selection. They are not specifications.

Attribute*	Typical Values*	Test Method*
Peel adhesion on stainless steel (both sides) (180ᵒ, 12 in/min, 5 min dwell)	60 oz/in \| 17 N/25.4 mm	ASTM D3330
Static shear (both sides) (23 ᵒC, 0.25 in2, 1000g)	> 1440 min	ASTM D3654
Liner release (both sides) (180ᵒ, 300 in/min)	21 g/2 in	ASTM D5375
Maximum temperature	500 ᵒF \| 260ᵒC
Service temperature	-67 ᵒF – 392 ᵒF \| -55 ᵒC – 200 ᵒC
Recommended storage of unconverted product	70°F ± 20°F \| 21°C ± 11°C 50% ± 20% RH \| 50% ± 20% RH
Shelf life of unconverted product	Not to exceed one year from date of manufacture

*All stated values are nominal and should only be used as a guide for selection. They are not specifications.

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