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Class 4 chemical indicator cards for sterilization equipment are manufactured with special oil/water-based heat-sensitive ink. The card paper is special medical-grade paper to ensure dryness even in a wet package. The process indicator ink shows clear and accurate color change after a successful sterilization cycle.
| Product Name | Sterilization Chemical Indicator Card |
| Classify | Class 4, Class 5, Class 6 |
| Color Change | From Yellow to Black (after steam sterilization) |
| Condition | Gravity displacement: 121°C, 20 mins; Pre-vacuum: 132~134°C, 4~6 mins |
| Application | Hospital, Medical Devices, Food, Drinks, etc. |
| Validity | 24 months from production date |
| Package | 250pcs/box, 80boxes/carton |
| Qualification | CE/ISO |



Class 4 chemical indicator strips utilize color chemistry printed on a paperboard strip which progresses from yellow to black. A black color reference standard is included for interpretive match. Use as an internal chemical indicator to monitor exposure to steam sterilization conditions inside packs.


It is suitable for high-temperature steam sterilization processes. When monitoring, place the indicator card in the center or areas most difficult for steam to reach. Ensure cards are protected from excessive dampness using gauze or brown paper to maintain accuracy.


Our company offers a variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" and always do our best to satisfy the potential needs of our customers. We are sincerely willing to cooperate with enterprises from all over the world to realize a win-win situation.
With 20 years of production experience and three subsidiary raw materials factories, we hold a great advantage in price, quality, and delivery. All items are exported to Europe, America, the Middle East, and other regions, enjoying a high reputation in the market.



Jalil Medical