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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
10978	90 % Platinum, 10 % Iridium	0.001 in. / 0.025 mm / 50 gauge	360 ft. / 109.7 m by 120 ft. / spool	Request quote
7059	90 % Platinum, 10 % Iridium	0.001 in. / 0.025 mm / 50 gauge	500 ft. / 152.4 m Temper: Stress-relieved temper by 250 ft. / spool	Request quote
8367	90 % Platinum, 10 % Iridium	0.001 in. / 0.025 mm / 50 gauge	500 ft. / 152.4 m	Request quote
7060	90 % Platinum, 10 % Iridium	0.001 in. / 0.025 mm / 50 gauge	1000 ft. / 304.8 m Temper: Stress-relieved temper by 250 ft. / spool	Request quote
P/N	Purity	Diameter	Length	Price
11742	80 % Platinum, 20 % Iridium	0.001 in. / 0.025 mm / 50 gauge	500 ft. / 152.4 m Temper: Stress-relieved temper	$4,155.07
P/N	Purity	Diameter	Length	Price
11744	80 % Platinum, 20 % Iridium	0.0012 in. / 0.03 mm	500 ft. / 152.4 m Temper: Stress-relieved temper	$4,094.38
8482	80 % Platinum, 20 % Iridium	0.0012 in. / 0.03 mm	1000 ft. / 304.8 m Temper: Stress-relieved temper	$1,875.40
P/N	Purity	Diameter	Length	Price
10487	90 % Platinum, 10 % Iridium	0.0015 in. / 0.038 mm	1000 ft. / 304.8 m Temper: Stress-relieved temper	$2,674.40
P/N	Purity	Diameter	Length	Price
10660	80 % Platinum, 20 % Iridium	0.00157 in. / 0.04 mm	984 ft. / 300 m Temper: Stress-relieved temper	$3,522.40
10661	80 % Platinum, 20 % Iridium	0.00157 in. / 0.04 mm	1312 ft. / 400 m Temper: Stress-relieved temper	$4,355.76
P/N	Purity	Diameter	Length	Price
6151	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	12 in. / 1 ft. / 0.305 m	$125.00
6824	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	5 ft. / 1.524 m	$155.78
11348	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	5 ft. / 1.524 m	$155.00
4759	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	10 ft. / 3.048 m	$225.89
11347	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	10 ft. / 3.048 m	$225.89
4760	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	50 ft. / 15.2 m	$509.22
12305	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	85 ft. / 25.91 m	$1,006.05
6462	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	100 ft. / 30.48 m	Request quote
6607	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	120 ft. / 36.58 m	$1,197.46
12551	90 % Platinum, 10 % Iridium	0.002 in. / 0.051 mm / 44 gauge	234 ft. / 71.3 m	$1,310.40

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