SKKI

Global supplier of EXCHANGE MEMBRANE
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Proton exchange membrane for hydrogen production by electroly

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More proton exchange membranes are used for: proton exchange membranes for Kerun fuel cells, flow batteries, and water treatment

According to specific application scenarios, the company's proton exchange membrane for hydrogen production through electrolysis of water can be divided into industrial hydrogen production applications and hydrogen health fields.

The product has the characteristics of high conductivity, low gas permeability, and high pressure resistance.

◮ Physical and other properties

OTHER PROPERTIES	TECHNICAL INDEX		TEST METHOD
	SK-11	SK-11W
conductivity ²(S/cm)	≥0.100	≥0.100	GB/T 20042.3-2022
acid capacity³(meq/g)	1.00±0.05	1.00±0.05	GB/T 20042.3-2022
Dissolved hydrogen content in water (ppb Max)		1000	THINKRE Compared to a certain foreign brand SK11 The series performance is basically consistent

◮ Swelling performance

Swelling performance	TECHNICAL INDEX		TEST METHOD
water content ⁵(%)	5.0±3.0	5.0±3.0	GB/T 20042.3-2022
Water absorption rate (%)	50.0±5.0	50.0±5.0	GB/T 20042.3-2022
(23℃,50% RH) Thickness swelling rate
23℃ soak 50% RH	≤5	≤18	GB/T 20042.3-2022
100℃ soak 50% RH	≤15	≤30	GB/T 20042.3-2022
(23℃,50% RH) Linear swelling rate
23℃ soak 50（%）	≤5	≤16	GB/T 20042.3-2022
100℃ soak 50（%）	≤18	≤20	GB/T 20042.3-2022