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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
5323	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	250 ft. / 76.2 m by 250 ft. / spool	$1,402.40
5170	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	250 ft. / 76.2 m by 250 ft. / spool	$1,400.00
6404	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	500 ft. / 152.4 m by 250 ft. / spool	Request quote
5324	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	500 ft. / 152.4 m by 250 ft. / spool	$2,901.20
5171	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	500 ft. / 152.4 m by 250 ft. / spool	$2,400.00
6176	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	1000 ft. / 304.8 m by 250 ft. / spool	$4,100.00
P/N	Purity	Diameter	Length	Price
12692	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	5 ft. / 1.524 m	$161.19
12691	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	10 ft. / 3.048 m	$298.55
11458	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	50 ft. / 15.2 m by 50 ft. / spool	$960.65
11457	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	100 ft. / 30.48 m by 50 ft. / spool	$1,810.10
11906	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	150 ft. / 45.720 m by 50 ft. / spool	$2,677.40
12543	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	200 ft. / 60.96 m by 50 ft. / spool	$2,995.94
12993	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	250 ft. / 76.2 m by 50 ft. / spool	$2,998.70
12544	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	350 ft. / 106.7 m by 50 ft. / spool	$4,197.60
12545	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	500 ft. / 152.4 m by 50 ft. / spool	$5,050.45
5771	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	1000 ft. / 304.8 m by 250 ft. / spool	$7,879.58
5772	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	2000 ft. / 609.6 m Wire, by spool(s)	$14,298.74
P/N	Purity	Diameter	Length	Price
8579	80 % Platinum, 20 % Iridium	0.003 in. / 0.076 mm / 40 gauge	15 ft. / 4.572 m	$579.04
9108	80 % Platinum, 20 % Iridium	0.003 in. / 0.076 mm / 40 gauge	98.43 ft / 30.0 m x 2 pieces Temper: Stress-relieved temper	$1,623.50
8580	80 % Platinum, 20 % Iridium	0.003 in. / 0.076 mm / 40 gauge	100 ft. / 30.48 m Temper: Stress-relieved temper	$1,484.00

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