ASTM E1428
Standard Test Method for Evaluating the Performance of Antimicrobials in or on Polymeric Solids Against Staining by Streptomyces species (A Pink Stain Organism)
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About This Item
ASTM E1428 is the ASTM standard for evaluating the performance of antimicrobials in or on polymeric solids against staining by Streptomyces species, commonly associated with pink stain. It provides a technical basis for assessing how well treated polymeric materials resist this type of microbial discoloration. For product development, quality control, and comparative testing, this standard helps users apply a consistent method when examining stain resistance in polymer-based materials.
What is ASTM E1428?
ASTM E1428, titled Standard Test Method for Evaluating the Performance of Antimicrobials in or on Polymeric Solids Against Staining by Streptomyces species (A Pink Stain Organism), is a test method focused on antimicrobial performance as it relates to staining resistance. The standard is intended for polymeric solids and centers on measuring how effectively antimicrobial treatments help limit visible staining caused by Streptomyces species. In practice, it supports structured evaluation of treated materials under a defined test approach.
Where is ASTM E1428 used?
ASTM E1428 is commonly used in settings that test or supply polymeric solids with antimicrobial treatments, especially when stain resistance is a product requirement. It may be applied in material development, laboratory comparison testing, supplier qualification, and technical review of finished polymer-based goods. The standard is relevant wherever pink-stain resistance is important to material appearance and performance, helping teams compare treated plastics and related solid polymer products using a shared testing framework.
Why is ASTM E1428 important?
This standard matters because it gives manufacturers, buyers, and laboratories a consistent way to evaluate antimicrobial-treated polymeric solids against a specific staining challenge. Using ASTM E1428 can support more reliable product comparisons, better quality control, and clearer procurement decisions. It also helps reduce ambiguity when a material must demonstrate resistance to discoloration associated with Streptomyces species. For organizations that need repeatable test results, the standard strengthens confidence in performance claims.
- Evaluates stain resistance in polymeric solids
- Focuses on antimicrobial-treated materials
- Targets pink stain caused by Streptomyces species
- Supports comparative performance testing
- Useful for quality and product verification
- Publication Date: 2024-07-17
- Publisher: ASTM
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