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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
4104	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	15 ft. / 4.572 m	$957.48
5639	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	16.40 ft. / 5 m	$1,037.26
9129	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	20 ft. / 6.096 m	$1,213.40
1868	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	25 ft. / 7.620 m	$1,426.25
7800	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	32.808 ft. / 10.00 m	$1,935.20
3032	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	50 ft. / 15.2 m	$2,852.50
4106	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	75 ft. / 22.860 m	$4,278.75
3033	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	100 ft. / 30.48 m	$5,705.00
7733	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	125 ft. / 38.1 m	$7,131.25
4107	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	150 ft. / 45.720 m	$8,557.50
4210	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	175 ft. / 53.3 m	$9,983.75
4108	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	200 ft. / 60.96 m	$11,410.00
4109	90 % Platinum, 10 % Iridium	0.010 in. / 0.254 mm / 30 gauge	400 ft. / 122.0 m	$22,820.00
P/N	Purity	Diameter	Length	Price
5635	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	3.281 ft. / 1.00 m	$590.07
5634	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	16.40 ft. / 5 m	$1,555.65
9130	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	20 ft. / 6.096 m	$1,712.60
4885	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	50 ft. / 15.2 m	Request quote
10244	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	60 ft. / 18.3 m Wire, by spool(s)	$4,981.80
10111	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	65.617 ft. / 20 m	Request quote
10245	80 % Platinum, 20 % Iridium	0.010 in. / 0.254 mm / 30 gauge	80 ft. / 24.384 m Wire, by spool(s)	$6,500.40

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