

Indicators
CO2 Indicator
Tablet and liquid CO2 indicators for visual package-condition monitoring.
Key Features
- Tablet and liquid formats are shown separately
- Three documented response systems for different CO2 ranges
- Interpretation workflow confirmed before use
Product Media
Reviewed product and packaging visuals supplied for this product or product family.


CO2 Indicator

CO2 Indicator
Specifications
| Product Category | Gas-Specific Monitoring — Carbon Dioxide Indicator |
|---|---|
| Tablet Type A | 7%–40% CO2; Blue → Green → Yellow; reversible |
| Tablet Type B | ≥10% CO2; Purple → Yellow; reversible |
| Liquid Type C | ≥10% CO2; Green → Yellow; reversible |
| Form Factor / Format | Tablet (solid sheet) / Liquid indicator |
| Selection Rule | Select by target CO2 range and package validation |
| Brand Series | MedShield™ |
Carbon Dioxide Indicator Formats: Tablet and Liquid
Three client-supplied indicator types cover 7%–40% CO2 monitoring. Tablet Types A and B and Liquid Type C use distinct color systems and are selected by target range.
| Type | Detection Range | Color Change | Reaction | Physical Format |
|---|---|---|---|---|
| Tablet Type A | 7%–40% CO2 | Blue (0%) → Green (7%–20%) → Yellow (40%) | Reversible | Tablet (solid sheet) |
| Tablet Type B | ≥10% CO2 | Purple (0%) → Yellow (≥10%) | Reversible | Tablet (solid sheet) |
| Liquid Type C | ≥10% CO2 | Green (0%) → Yellow (≥10%) | Reversible | Liquid indicator |
Physical Formats at a Glance
Tablet and liquid indicators are different product forms. Select the format, target range, and color interpretation together during package validation.
Tablet Type A
7%–40% CO2 · Blue → Green → Yellow
Tablet Type B
≥10% CO2 · Purple → Yellow
Liquid Type C
≥10% CO2 · Green → Yellow
Selection Guide
Tailored to Your Packaging, Beyond the Standard Catalog.
Tianhua product selection starts with your product’s oxygen & moisture sensitivity, packaging structure, target shelf life, and packaging line compatibility.
Application Scenarios
Final dosage, material, and format should be confirmed through sample testing and product specification review.
Technical Resources
Technical & Compliance Documents
Review the supplied company, application, or product-family evidence mapped to this page, or request the current product-specific technical file for your selected configuration.
Quality evidence
Quality & Certifications
Review the supplied ISO 9001, BRCGS, FDA, DMF, SGS, and MSDS document groups.
Review quality evidenceSelection guide
Product Selection Guide
Use the client-supplied application and package-condition guide before requesting a final configuration.
Open selection guideProduct-specific file
Request the Current Technical File
Ask Tianhua for the current product specification, application notes, quality documents, and validation records for your selected configuration.
Request technical fileValidation Workflow
From Sample Request to Launch Approval
Step 1
Target-condition review
Evaluate oxygen/moisture sensitivity and packaging structure with actual product samples to determine initial sizing — sizes from 50 cc to 1000 cc are all available.
Step 2
Representative pack trial
Test performance under real transport, temperature, and humidity conditions to ensure packaging integrity.
Step 3
Inspection workflow approval
Validate final product appearance, film quality, and shelf-life compliance before full scale-up.
Related Products
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Compare nearby absorber, indicator, desiccant, or support options before requesting samples.
