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Soak specimen into acid and alkaline artificial sweat liquid for 30 minutes.Use the meter to press it then put into the oven at 37℃ for 4hours .Take out specimen from the oven to appraise grade of dry -endurance by comparing with grey scale mark after drying.
The product is up to the standard: AATCC-15、ISO-105EO4，JIS-L0846, L0846,L0848,L0854,GB/T 3922、
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0769-22886550
