Preservative
Preservative products play a crucial role in extending shelf life and maintaining product quality across industries. Our high-performance preservative solutions are scientifically formulated to meet the most demanding requirements while adhering to strict safety standards.
Key Features of Our Preservative
- Broad-spectrum protection against bacteria, yeast, and mold
- pH-stable formula effective across wide pH ranges
- Heat-resistant properties maintain efficacy at high temperatures
- Low dosage requirements for cost-effective application
- Regulatory compliant meets international food and cosmetic standards
Technical Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Active Content | ≥ 95.0% | HPLC |
| Appearance | White crystalline powder | Visual |
| Solubility (25°C) | 0.25g/100ml in water | ASTM D5458 |
| Melting Point | 110-115°C | DSC |
| pH (1% solution) | 4.5-6.5 | pH meter |
Preservative Application Guidelines
For optimal results with our preservative, follow these recommended usage levels:
- Cosmetics: 0.2-0.6% of total formulation
- Personal care: 0.1-0.3% of product weight
- Food products: 0.05-0.1% by weight
- Pharmaceuticals: 0.1-0.5% depending on application
Preservative FAQ
Q: What is the shelf life of your preservative?
A: Our preservative has a minimum shelf life of 24 months when stored in its original packaging at temperatures below 30°C (86°F) and protected from moisture. The product remains stable under proper storage conditions, with no significant loss of efficacy before the expiration date printed on each batch.
Q: Is this preservative suitable for organic products?
A: While our preservative is highly effective and safe, its approval for organic products depends on the specific organic certification standards in your region. The preservative meets many natural product standards but may not be permitted in certain organic certifications that prohibit synthetic preservatives. We offer alternative natural preservative options for certified organic formulations.
Q: How does your preservative compare to traditional options like parabens?
A: Our preservative provides comparable or superior microbial protection to traditional parabens without the controversy surrounding paraben safety. It's formaldehyde-free, paraben-free, and doesn't release harmful byproducts. The molecular structure provides excellent stability while maintaining low irritation potential, making it suitable for sensitive applications where parabens might be restricted.
Storage & Handling
Proper storage of preservative products ensures maximum effectiveness:
| Storage Condition | Requirement |
|---|---|
| Temperature | 15-30°C (59-86°F) |
| Humidity | <65% relative humidity |
| Light Exposure | Keep in original opaque containers |
| Container | Sealed polyethylene or polypropylene |
Compatibility Information
Our preservative demonstrates excellent compatibility with most formulation ingredients:
- Stable in presence of surfactants (anionic, nonionic, cationic)
- Compatible with most emulsifiers and thickeners
- Maintains efficacy in protein-rich systems
- Works effectively in both oil-in-water and water-in-oil emulsions
Preservative Regulatory Status
Our preservative meets global regulatory requirements:
| Region | Regulation | Approved Concentration |
|---|---|---|
| EU | EC No 1223/2009 | Up to 0.8% |
| USA | FDA 21 CFR | GRAS listed |
| Japan | MHW Notification | Up to 1.0% |
| China | GB 22115-2008 | Up to 0.6% |
Preservative FAQ (Continued)
Q: Does this preservative require pH adjustment for optimal performance?
A: Our preservative performs well across a broad pH range (3.0-8.5), though maximum efficacy is typically achieved between pH 4.0-6.0. While pH adjustment isn't strictly necessary, fine-tuning your formulation's pH to this optimal range may allow for lower preservative concentrations while maintaining effective microbial control.
Q: Can this preservative be used in leave-on and rinse-off products?
A: Yes, our preservative is versatile enough for both leave-on and rinse-off applications. For leave-on products like lotions or creams, we recommend the higher end of the usage range (0.3-0.6%). In rinse-off products like shampoos or cleansers, the lower end of the range (0.1-0.3%) typically provides sufficient protection due to the shorter product contact time with skin.
Q: How quickly does this preservative work against microbial contamination?
A: Our preservative provides both immediate and long-term protection. It begins inhibiting microbial growth upon contact, with significant reduction (90-99%) of common contaminants typically occurring within 2-6 hours at recommended concentrations. The preservative continues working throughout the product's shelf life, maintaining protection against recontamination during consumer use.
Preservative Efficacy Testing
Our preservative has demonstrated excellent results in standardized testing protocols:
| Test Organism | Reduction (7 days) | Reduction (14 days) | Test Standard |
|---|---|---|---|
| E. coli | >99.9% | >99.9% | USP <51> |
| S. aureus | 99.5% | >99.9% | USP <51> |
| C. albicans | 98.7% | 99.9% | ISO 11930 |
| A. niger | 97.2% | 99.5% | ISO 11930 |
Additional Technical Support
Our team provides comprehensive technical support for preservative applications:
- Formulation compatibility testing
- Preservative system optimization
- Regulatory documentation assistance
- Challenge test protocol development
- Troubleshooting for preservation issues