- Raw materials (loose down and feathers) and processed fill materials
Through our global network of testing experts and analytical equipment including chromatography (HPLC, GC, GC/MS) and atomic absorption spectroscopy (AAS, GFA, FIAS), Our goal is to provide test services as efficiently as possible to maximize our customers' profits. For more information about our services, contact one of our experts today.
Note: this service is for Research Use Only and Not intended for clinical use.

Down and feather materials have been used for centuries as premium natural insulators for garments, bedding, sleeping bags and outdoor equipment. Their unique structure, such as lightweight, compressible and capable of trapping warm air, has made them one of the most effective and desirable fill materials in the global textile and home goods industries. During the past decade, the down and feather supply chain has expanded globally, involving farms, suppliers, processors, manufacturers and brands across multiple regions. This complexity creates challenges in ensuring product authenticity, consistent quality, species identification, ethical sourcing, and accurate labeling. At the same time, retail markets have seen more scrutiny on parameters such as fill power, cleanliness levels, moisture content, odor control, thermal performance and compliance with regional standards.
To address these challenges, Alfa Chemistry provides comprehensive down & feather testing services. Our mission is to help clients verify the safety, hygiene, performance and integrity of their down and feather materials. Through scientific testing, advanced laboratory capabilities and globally recognized methodologies, we ensure that the materials you source and the products you manufacture meet both regulatory expectations and consumer demands for high-quality insulated goods.


| Testing Items | Description |
| Composition / Content Analysis | Determination of the percentages by weight of down clusters, down fibers, feather fibers, broken/damaged feathers, land-fowl feathers, residue, etc. |
| Species Identification | Determining the species of down/feather (e.g. goose vs duck vs landfowl) by microscopic inspection of clusters and fibers. |
| Color Separation / White Material Content | Measuring the proportion of white vs dark/faintly colored plumage, as darker material can show through fabrics and affect appearance. |
| Average Feather Length | Measuring the distribution of feather lengths in a sample (in categories, e.g. 0.1-1.9 cm, 2.0-2.9 cm, etc.) and computing an average length. |
| Fill Power (and Volumetric Measurements) | Determining the volume per unit mass of down or down/feather mix (e.g. cubic inches per ounce or cm3 per gram). |
| Compression & Recovery | Assessing how the fill material compresses under load, and how it recovers once the load is removed. |
| Cleanliness / Oxygen Number, Turbidity, Dust | Measuring organic residue, fine particles, dust content and related hygiene parameters. A low value signals good cleanliness. |
| Fat and Oil Content | Measuring lipids on the fill material; an appropriate range is important for resilience and water resistance of down/feathers. |
| Moisture Content | Determining how much water content is present; this affects weight, odor, brittleness and sale value. |
| Odor Evaluation | Evaluating odor after sample preparation; strong odor may lead to returns in the market. |
| Water-Repellency / DWR Performance | For hydrophobic treated down/feathers, tests such as "Hydrophobic Shake" and "Water Absorption" assess how well the treatment works. |
| Net Weight of Filling Material / Material Migration | For finished products, ensuring that the declared fill weight is accurate, and that migration of fill (e.g. feathers migrating through fabric) is limited. |
| Acidity / pH Value | Especially important when fill materials come into contact with skin (e.g., down-filled apparel or bedding) to avoid irritation or allergic reaction. |
To ensure meaningful, trustworthy results that align with international practice and regulatory requirements, our testing is conducted in accordance with major global standards and methodologies. For example:
In summary, our down & feather testing service offers end-to-end support—from raw fill material to finished product, covering composition, species, performance, cleanliness and compliance aspects under internationally recognized standards. Feel free to let me know if you would like a more detailed breakdown of any specific test, method, turnaround time, or pricing.
Do not know how to place an order, please refer to the flow chart shown below.
Submit quotation request |
A technical manager will contact you within 24 hours |
You will review and approve the final price and place an order |
Confirm with you and make the payment |
Instruct you to ship your samples and form |
Analytic report delivery |