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Platinum Iridium

Platinum-iridium is an alloy of the platinum group precious metals platinum and iridium.

Surepure Chemetals typically supplies alloy proportions of 90% platinum / 10% iridium and 80% platinum / 20% iridium. Surepure Chemetals sells platinum-iridium conforming to the ASTM B684 specification (including ASTM B 684-97).

These have the chemical stability of platinum, but increased hardness.

Due to its high density, hardness, and resistance to corrosion, platinum-iridium was used to make the international prototype kilogram and the international prototype meter.

One use for Pt/Ir alloy is fabrication of metal microelectrodes for electrical stimulation of nervous tissue and electrophysiological recordings. Pure iridium is very difficult to pull into small diameter wires, while pure platinum has a low Young's modulus which makes pure platinum wires bend easily during the insertion in nervous tissue; hence Pt/Ir alloy has an optimal combination of mechanical and electrochemical properties for this application.

Surepure Chemetals sells platinum iridium wire and platinum iridium sheet.

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The products below are representative of what we sell. If you don't find what you're looking for, please request a quote or contact us.

Buy Platinum Iridium Wire and Rod from Surepure Chemetals

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P/N	Purity	Diameter	Length	Price
12626	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	4 ft. / 1.22 m Wire, hand-straightened 12 inch length(s)	$2,563.19
5874	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	4 ft. / 1.22 m Wire, by coil	$2,483.19
12627	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	5 ft. / 1.524 m Wire, hand-straightened 12 inch length(s)	$3,113.38
5875	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	5 ft. / 1.524 m Wire, by coil	$3,013.38
5883	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	6 ft. / 1.829 m Wire, by coil	$3,576.44
5876	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	7 ft. / 2.134 m Wire, by coil	$4,140.10
5877	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	8 ft. / 2.438 m Wire, by coil	$4,707.20
5878	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	9 ft. / 2.743 m Wire, by coil	$5,270.51
5879	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	10 ft. / 3.048 m Wire, by coil	$5,835.47
12470	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	12 ft. / 3.657 m Temper: Annealed (soft) Wire, by coil	$6,879.70
5880	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	15 ft. / 4.572 m Wire, by coil	$8,482.90
5881	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	20 ft. / 6.096 m Wire, by coil	$11,067.98
5882	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	25 ft. / 7.620 m	$13,595.29
7332	90 % Platinum, 10 % Iridium	0.037 in. / 0.95 mm	104 ft. / 31.7 m	$53,478.50
P/N	Purity	Diameter	Length	Price
12489	90 % Platinum, 10 % Iridium	0.0394 in. / 1.0 mm / 18 gauge	35.43 in. / 900 mm x 4 pieces Wire, straight length(s)	$8,062.27
P/N	Purity	Diameter	Length	Price
4503	95 % Platinum, 5 % Iridium	0.040 in. / 1.016 mm / 18 gauge	10 ft. / 3.048 m	$5,540.97
P/N	Purity	Diameter	Length	Price
7546	90 % Platinum, 10 % Iridium	0.040 in. / 1.016 mm / 18 gauge	0.315 in. / 8 mm	$85.00
13175	90 % Platinum, 10 % Iridium	0.040 in. / 1.016 mm / 18 gauge	0.60 in. / 15.24 mm	$118.00
7610	90 % Platinum, 10 % Iridium	0.040 in. / 1.016 mm / 18 gauge	1.00 in. / 25.4 mm	$153.31
13176	90 % Platinum, 10 % Iridium	0.040 in. / 1.016 mm / 18 gauge	1.38 in. / 35.0 mm	$182.00

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