304 Testing Fluid Testing Agent Identification Fluid Determination Identification 201 316 Stainless Steel Testing Potion

【Brand】: Powerful   [Product name]: Stainless steel identification liquid Q3/Q7   【Specification】: Net weight is about 12 grams (Can be used about 200 times)/15 drops, plastic bottle    【Features】: Use simple colorimetric method to distinguish the material models of nickel stainless steel   【Function】: roughly distinguish between 200 (universal 201), 201, 202, 301, 304 stainless steel    [Validity]: Three years    [How to use]: Put this identification droplet on the steel surface, observe the beginning color to turn red, and confirm the stainless steel grade (model).The faster it turns red, the worse the material. Examples of steel detection (testing temperature 26℃):  200 (ordinary 201): red in about 5 seconds, and 200,200 materials that become red in 30 seconds are also good or bad; manganese exceeds standards  201: Turns red in about 50 seconds; manganese exceeds the standard  202: Red around 1 minute; manganese exceeds the standard  301: It is red for about 2-3 minutes, and the color is very light, so you should look carefully;  304: It does not turn red within 3 minutes, and the color at some bottoms becomes darker;       [Precautions]: 1. If the steel surface has no stains, c…