{"product_id":"304-stainless-steel-test-solution-grade-verification-reagent-12ml","title":"304 Stainless Steel Test Solution – Grade ID Reagent 12ml","description":"\n\u003ch2\u003eInstantly Verify Stainless Steel Grades with One Drop\u003c\/h2\u003e\n\u003cp\u003eStop guessing what grade of stainless steel you're working with. This 12ml \u003cstrong\u003e304 Stainless Steel Testing Solution\u003c\/strong\u003e is a fast, no-power-required reagent that reveals the manganese content of steel alloys through a simple color-change reaction. Perfect for fabricators, metal buyers, kitchen equipment inspectors, and DIY enthusiasts who need quick, on-the-spot material verification.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eApply a single drop of the testing fluid to a clean steel surface and observe when — or whether — the liquid turns red. The reaction speed directly indicates the steel's manganese content and grade:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e200 \/ Ordinary 201:\u003c\/strong\u003e Turns red within 5–30 seconds — high manganese content\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthentic 201:\u003c\/strong\u003e Turns red in approximately 50 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e202:\u003c\/strong\u003e Turns red in approximately 1 minute\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e301:\u003c\/strong\u003e Very faint color change at 2–3 minutes — new national standard food-grade steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e304:\u003c\/strong\u003e No red color change within 3 minutes (bottom color may slightly darken) — old national standard food-grade steel ✓\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip: In cold weather, gently warm the steel surface with a lighter for 3–6 seconds before applying the reagent for accurate results.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNo power or equipment needed\u003c\/strong\u003e — simple drop-and-observe method\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDistinguishes 200 \/ 201 \/ 202 \/ 301 \/ 304\u003c\/strong\u003e stainless steel grades\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFast results\u003c\/strong\u003e — most readings complete within 3 minutes\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact 12ml bottle\u003c\/strong\u003e — easy to carry on the job site\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eIdeal for verifying authenticity\u003c\/strong\u003e of steel cookware, fixtures, hardware, and more\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eBrand new, high-quality formulation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12ml\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel grade identification\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetects\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200, 201, 202, 301, 304 stainless steel grades\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 12ml Steel Testing Fluid\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Find Useful\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can this stainless steel test solution identify genuine 304-grade steel?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Genuine 304-grade stainless steel will show no red color change within 3 minutes — at most, the bottom color may darken slightly. This makes it one of the most reliable quick-identification methods for verifying 304 food-grade steel without any lab equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this testing solution safe to use at home or on a job site?\u003c\/h4\u003e\n\u003cp\u003eA: The reagent is designed for external application to steel surfaces only. Always handle chemical testing fluids with care — avoid contact with skin and eyes, keep out of reach of children, and store in a cool, dry place. Use in a well-ventilated area for best practice.\u003c\/p\u003e\n\u003ch4\u003eQ: How many tests can I perform with one 12ml bottle?\u003c\/h4\u003e\n\u003cp\u003eA: Since only a single drop is needed per test, one 12ml bottle provides a large number of individual tests — typically well over 100 — making it highly cost-effective for both occasional and frequent use.\u003c\/p\u003e\n\u003ch4\u003eQ: Does temperature affect the test results?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. In cold conditions, the reaction may slow down. To ensure accurate readings in low temperatures, use a lighter to briefly warm the steel surface for 3–6 seconds before applying the reagent drop.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can this stainless steel test solution identify genuine 304-grade steel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Genuine 304-grade stainless steel will show no red color change within 3 minutes — at most, the bottom color may darken slightly. This makes it one of the most reliable quick-identification methods for verifying 304 food-grade steel without any lab equipment.\"}}, {\"@type\": \"Question\", \"name\": \"Is this testing solution safe to use at home or on a job site?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The reagent is designed for external application to steel surfaces only. Always handle chemical testing fluids with care — avoid contact with skin and eyes, keep out of reach of children, and store in a cool, dry place. 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To ensure accurate readings in low temperatures, use a lighter to briefly warm the steel surface for 3–6 seconds before applying the reagent drop.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Measuring \u0026 Testing\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/collections\/measuring-testing\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"304 Stainless Steel Test Solution – Grade ID Reagent 12ml\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/products\/304-stainless-steel-test-solution-grade-verification-reagent-12ml\"}]}\u003c\/script\u003e","brand":"QXL","offers":[{"title":"5PCS","offer_id":46962999361735,"sku":"14:350686#5PCS","price":25.31,"currency_code":"USD","in_stock":true},{"title":"2PCS","offer_id":46962999394503,"sku":"14:193#2PCS","price":14.91,"currency_code":"USD","in_stock":true},{"title":"3PCS","offer_id":46962999427271,"sku":"14:173#3PCS","price":18.82,"currency_code":"USD","in_stock":true},{"title":"1PCS","offer_id":46962999460039,"sku":"14:175#1PCS","price":10.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/8314\/9255\/files\/Sbd5c1a6c36304beb97eef1bda27085adH.webp?v=1786049955","url":"https:\/\/qxlcustomerservice.com\/products\/304-stainless-steel-test-solution-grade-verification-reagent-12ml","provider":"QXL","version":"1.0","type":"link"}