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Product Details:
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| Appearance: | White Or Yellowish Powder | Raw Material: | Refined Cotton |
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| Product Name: | EC Ethyl Cellulose Pharmaceutical Used For Sustained Release Tablet | Function: | Controll Released |
| Standard: | USP EP JP | Advantage: | Stable，forms A Strong Film With Good Adhesion |
| High Light: | Ethyl Cellulose Controlled Release Tablets,Ethyl Hydroxyethyl Cellulose USP,Pharmaceutical Ethyl Cellulose Biodegradable |
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Ethyl cellulose is widely used in film and bead Coating for controlled release tablets. Ethyl cellulose forms a strong film with good adhesion.
It can offer a versatile diffusion barrier whose properties can be modified by film thickness level of water soluble pore-forming additives plasticizer choice, solvents used, or the viscosity of Ethyl Cellulose.
【Introduction】
Name: Ethyl Cellulose
Abbreviation: EC
Structural formula:
In the formula , n stands for degree of polymerization and R for –H or –C2H5 .
【Technical requirements】
1. Appearance: White or even yellowing powder or grains , having no smell or taste .
2. Technical Index
Table 1
| Item | Index | ||
| K type | N type | T type | |
| Content of ethoxy, % | 45.0~47.9 | 48.0~49.5 | 49.6~51.0 |
| Viscosity, mPas | Conform to the requirements of table 2 | ||
| Residue on ignition, % | 0.4 Max | ||
| Loss on drying % | 3.0 Max | ||
| Heavy metal ppm | 20 Max | ||
| Arsenic ppm | 3 Max | ||
| Bacterium | 1000cfu/gram Max | ||
| Mold | 100cfu/gram Max | ||
3. Viscosity Specification
| Level | Specific range | Level | Specific range |
| 4 | 3.0～5.5 | 45 | 41～49 |
| 7 | 6.0～8.5 | 55 | 51～60 |
| 10 | 9.0～12.5 | 70 | 62～74 |
| 15 | 13～ 16 | 90 | 80~90 |
| 20 | 18～22 | 100 | 91～110 |
Note: Provided that buyers have other
Selection guide of products for pharmaceutical:
| Usage | Applicable type ofthe product | Typical Use Level |
| Controlled Release Coatings | EN-4,EN-7,EN-10 | 3-20% |
| Microencapsulation | EN-20,EN-45,EN-100 | 10-20% |
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Solvent-Based Coating for Barrier or Taste Masking Properties |
All N Type |
1-5%% |
| Direct Compression Granulation | EN-7, EN-10, EN-100 | 5-40% |
| Solvent-Based Granulation | EN-10,EN-20,EN-45 | 1-6% |
【Instruction for usage】
While padding, add Ethyl Cellulose slowly into the container with solvent until it is fully wetted and dissolved.
【Package】
It is packed in fiberboard boxes or drums lined with PVC bags. Net weight per package: 20kg
【Instruction for storage】
Seal it and store in dry place.
【Production flow】
【Our team】
Contact Person: admin
Tel: +8618516512831
