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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
5171	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	500 ft. / 152.4 m by 250 ft. / spool	$1,551.85
6176	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	1000 ft. / 304.8 m	$2,900.00
P/N	Purity	Diameter	Length	Price
11458	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	50 ft. / 15.2 m by 50 ft. / spool	$841.66
11457	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	100 ft. / 30.48 m by 50 ft. / spool	$1,453.72
5771	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	1000 ft. / 304.8 m	$3,061.39
5772	90 % Platinum, 10 % Iridium	0.003 in. / 0.076 mm / 40 gauge	2000 ft. / 609.6 m Wire, by spool(s)	$8,590.34
P/N	Purity	Diameter	Length	Price
8579	80 % Platinum, 20 % Iridium	0.003 in. / 0.076 mm / 40 gauge	15 ft. / 4.572 m	$532.88
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	$1,146.00
8580	80 % Platinum, 20 % Iridium	0.003 in. / 0.076 mm / 40 gauge	100 ft. / 30.48 m Temper: Stress-relieved temper	$1,246.84
P/N	Purity	Diameter	Length	Price
5773	90 % Platinum, 10 % Iridium	0.0035 in. / 0.0889 mm / 39 gauge	1000 ft. / 304.8 m	$4,105.23
5774	90 % Platinum, 10 % Iridium	0.0035 in. / 0.0889 mm / 39 gauge	2000 ft. / 609.6 m	$7,649.73
P/N	Purity	Diameter	Length	Price
11349	99.99% / 4N Pure	0.004 in. / 0.102 mm / 38 gauge	25 ft. / 7.620 m	$2,385.00
P/N	Purity	Diameter	Length	Price
10234	90 % Platinum, 10 % Iridium	0.004 in. / 0.102 mm / 38 gauge	30 ft. / 9.144 m	$870.00
10235	90 % Platinum, 10 % Iridium	0.004 in. / 0.102 mm / 38 gauge	40 ft. / 12.192 m	$1,080.00
10220	90 % Platinum, 10 % Iridium	0.004 in. / 0.102 mm / 38 gauge	50 ft. / 15.2 m	$1,260.00
5775	90 % Platinum, 10 % Iridium	0.004 in. / 0.102 mm / 38 gauge	1000 ft. / 304.8 m	Request quote
5776	90 % Platinum, 10 % Iridium	0.004 in. / 0.102 mm / 38 gauge	2000 ft. / 609.6 m	Request quote
P/N	Purity	Diameter	Length	Price
9703	80 % Platinum, 20 % Iridium	0.004 in. / 0.102 mm / 38 gauge	3 in. / 76.2 mm x 100 pieces	$1,723.50
9704	80 % Platinum, 20 % Iridium	0.004 in. / 0.102 mm / 38 gauge	3 in. / 76.2 mm x 500 pieces	$5,582.35
10017	80 % Platinum, 20 % Iridium	0.004 in. / 0.102 mm / 38 gauge	100 ft. / 30.48 m	$2,260.00

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