Ethyl cellulose Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9004-57-3 |
| Product name | Ethyl cellulose |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Ethyl cellulose
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethyl cellulose Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethyl cellulose
| Industry | Application | Process |
|---|---|---|
| Construction Materials | As a film-forming agent in coatings | Dissolved in organic solvents for substrate coating |
| Pharmaceuticals | As a controlled-release excipient | Blended with active pharmaceutical ingredients to produce microspheres or tablets |
| Cosmetics | As an emulsifier and thickener | Used as a stabilizer in emulsions or creams |
| Printing Inks | As a resin component | Blended with other resins in printing ink formulations |
| Adhesives | As a binder base | Formulated with plasticizers, solvents, and other additives to produce adhesives |
| Coatings | As a film-forming agent in waterborne coatings | Combined with waterborne resins for eco-friendly coating systems |
| Food Industry | As a food-grade coating material | Applied to food packaging films or direct food coatings |
| Papermaking | As a paper coating material | Applied to improve paper surface properties |
| Rubber Industry | As a rubber processing aid | Added during rubber compounding to enhance processability |
| Electronics | As an encapsulation material | Used for chip encapsulation or dielectric coatings |
Manufacturing Quality Control of Ethyl cellulose
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical form and color under controlled lighting conditions |
| Solubility in Ethanol | Gravimetric Solubility Test | Sample dissolved in ethanol; insoluble residue filtered and weighed to determine solubility percentage |
| Viscosity (4% in Toluene) | Capillary Viscometry | Measurement of flow time through calibrated capillary tube to calculate kinematic viscosity |
| Ethoxyl Content | Acid-Base Titration after Hydrolysis | Hydrolysis releases ethanol, converted to acetic acid, then titrated with standardized NaOH |
| Moisture Content | Karl Fischer Titration | Electrochemical titration using iodine reagent to quantify water based on stoichiometric reaction |
| Ash Content | Gravimetric Analysis (Ignition at 500-600 C) | Sample incinerated to constant weight; residual inorganic ash weighed as percentage of original sample |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Sample digested, then quantified by absorption of characteristic wavelength light by metal atoms in flame or graphite furnace |
| Residual Solvents (e.g., Methanol, Acetone) | Gas Chromatography (GC) | Volatile solvents separated on column and detected via thermal conductivity or FID detector |
| pH of 1% Aqueous Dispersion | Potentiometric Measurement | pH electrode measures hydrogen ion activity in stabilized aqueous dispersion |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate size distribution |
| Assay (Purity by HPLC) | High Performance Liquid Chromatography (HPLC) | Separation on reversed-phase column with UV detection; purity calculated against reference standard |
| Microbial Limits | Membrane Filtration and Culture | Sample filtered, membrane placed on selective media, colonies enumerated after incubation |
Technical Specifications of Ethyl cellulose
| Test Item | Specification |
|---|---|
| Appearance | White powder or granules |
| Ethoxyl | 47.5～49.5% |
| Viscosity (cp) | 3.0～5.6 |
| Loss on drying | ≤3.0% |
| Ignition residue | ≤0.4% |
| Acetaldehyde | ≤0.01% |
| Chlorides | ≤0.1% |
| As | ≤3 ppm |
| Pb | ≤3 ppm |
| Hg | ≤1 ppm |
| Cd | ≤1 ppm |
| Heavy metals | ≤10 ppm |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Ethyl cellulose
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Ethyl cellulose
Industrial Ethyl cellulose Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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