Stainless Steel Test Solution 12ml | Identify 304/201/202/301

Identify Your Stainless Steel Grade in Seconds

Not all stainless steel is created equal — and now you can know exactly what grade you're working with. This 12ml Stainless Steel Detection Liquid is a compact, easy-to-use reagent that delivers a fast, visible color reaction to help you identify and distinguish between common stainless steel grades including 304, 201, 202, and 301. Whether you're a DIY enthusiast, contractor, quality inspector, or workshop professional, this pocket-sized testing solution gives you confidence in every material you use.

Made in Mainland China.

Why You'll Love This Testing Solution

• Instant Color Reaction: Simply apply a drop to the metal surface and watch the reagent react — a clear color change indicates the stainless steel grade, no lab experience required.
• Multi-Grade Detection: One 12ml bottle is all you need to test across multiple common stainless steel grades (304, 201, 202, 301), making it perfect for workshops, manufacturing floors, and home projects.
• Portable & Compact: At just 2.5 × 2.5 × 8.5 cm and approximately 25g, this bottle fits in your pocket or toolbox for on-the-go material verification at job sites, markets, or warehouses.
• No Prior Expertise Needed: The straightforward drop test method means anyone can use it — the result is visible almost immediately, removing guesswork from material identification.
• Versatile Applications: Ideal for checking tableware, cutlery, kitchen tools, building supplies, hardware components, and more — wherever stainless steel grade matters.
• Efficient & Reliable: Designed for rapid reagent reaction, this solution shortens testing time while delivering consistent, dependable results every time.

Product Specifications

How to Use

1. Apply one small drop of the detection liquid directly onto the stainless steel surface you wish to test.
2. Observe the color change reaction within seconds.
3. Compare the result color to the reference guide to identify the steel grade.
4. After testing, wash the tested area with household detergent and rinse with hot water before continued use.

Important Notes:

• This product may leave traces after use. Apply to inconspicuous areas when testing finished goods.
• Recommended for use in areas not in direct contact with the mouth after testing on tableware.
• Slight color variations in images may occur due to lighting and display settings.
• Minor size differences may exist due to manual measurement.

What's in the Box

1 × Stainless Steel Test Solution Bottle (12ml)

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For general consumer product safety standards and testing guidance, visit the U.S. Consumer Product Safety Commission (CPSC). For material safety information on chemical reagents, refer to resources from OSHA's Chemical Hazards page.

Frequently Asked Questions

Q: What stainless steel grades can this test solution identify?

A: This stainless steel detection liquid is designed to identify and distinguish between common grades including 304, 201, 202, and 301 stainless steel. The color reaction produced by the reagent differs based on the manganese content in the alloy, allowing clear visual differentiation between grades.

Q: Is this testing solution safe to use at home?

A: Yes, this solution is suitable for home DIY use. However, like any chemical reagent, it should be handled with care. Avoid contact with skin and eyes, keep out of reach of children, and store in a cool, dry place. After testing tableware or kitchen items, wash thoroughly with household detergent and rinse with hot water before further use.

Q: How many tests can I get from one 12ml bottle?

A: Because only a single small drop is required per test, a 12ml bottle provides a substantial number of individual tests, making it highly economical for both occasional home use and more frequent workshop or quality inspection applications.

Q: Do I need any special equipment or training to use this reagent?

A: No special training or equipment is needed. The simple drop test method delivers a visible color change result within seconds, making it intuitive for both professionals and everyday users with no prior laboratory experience.