Linseed oil Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 8001-26-1 |
| Product name | Linseed oil |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeFood GradeCosmetic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Linseed oil
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Linseed oil Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Linseed oil
| Industry | Application | Process |
|---|---|---|
| Coatings & Inks | Manufacture of alkyd resins, oil-based paints, and printing inks | Used as a drying oil; forms tough, durable films via oxidative polymerization; employed in formulating fast-drying paints and ink vehicles |
| Cosmetics & Personal Care | Emollient and nutritional ingredient in skincare and haircare products | Refined after cold-press extraction and directly incorporated into emulsions, creams, and hair oils to provide moisturizing and antioxidant effects |
| Food | Nutritional supplement and functional edible oil | Extracted via low-temperature pressing, then refined through degumming, deacidification, and decolorization for use in capsules or bottled edible oil; rich in alpha-linolenic acid (ALA) |
| Pharmaceuticals | Excipient or carrier for active pharmaceutical ingredients | Refined for use in soft capsule shells or topical formulation bases to facilitate delivery of lipophilic drugs |
| Industrial Lubrication | Biodegradable lubricant base oil | Modified via esterification or epoxidation for use in eco-friendly lubricants and metalworking fluids |
| Plastics & Polymers | Biobased plasticizer and polymer feedstock | Chemically modified via epoxidation, acrylation, or similar processes for production of biodegradable plastics or composite materials |
Manufacturing Quality Control of Linseed oil
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Acid Value | Acid-Base Titration | Measures free fatty acids by titration with standardized KOH solution using phenolphthalein indicator. |
| Iodine Value | Wijs Method (Titration) | Quantifies unsaturation via addition of iodine monochloride to double bonds, followed by titration of unreacted iodine. |
| Peroxide Value | Iodometric Titration | Determines hydroperoxides by reaction with potassium iodide to liberate iodine, which is then titrated with sodium thiosulfate. |
| Saponification Value | Acid-Base Titration | Measures total ester content by refluxing with excess KOH, then back-titrating unreacted alkali with HCl. |
| Refractive Index | Refractometry | Determines ratio of light velocity in air vs. oil at specified temperature using a calibrated refractometer. |
| Specific Gravity | Pycnometry | Compares mass of fixed volume of oil to same volume of water at standard temperature. |
| Color (Lovibond) | Lovibond Tintometer | Compares oil color visually against standardized red/yellow glass discs under controlled lighting. |
| Moisture Content | Karl Fischer Titration | Quantifies water via coulometric or volumetric reaction between iodine, sulfur dioxide, and water in pyridine/methanol medium. |
| Unsaponifiable Matter | Solvent Extraction and Gravimetry | Separates non-saponifiable lipids (sterols, hydrocarbons) by ether extraction after saponification, followed by solvent evaporation and weighing. |
| Free Fatty Acid (as % Oleic) | Acid-Base Titration | Expresses acid value as percentage of oleic acid equivalent using stoichiometric conversion factor. |
| Heavy Metals (Pb, Cd, As, Hg) | ICP-MS | Detects trace metals by ionizing sample in plasma and measuring mass-to-charge ratios of elemental ions. |
| Oxidation Stability (Rancimat) | Accelerated Oxidation Test | Measures induction period under elevated temperature and air flow by monitoring conductivity change from volatile oxidation products. |
Technical Specifications of Linseed oil
| Test Item | Specification |
|---|---|
| Appearance | Pale yellow to light brown clear liquid |
| Purity | >=98.5% |
| Acid Value (mg KOH/g) | <=10.0 mg KOH/g |
| Refractive Index (n20/D) | 1.476–1.482 |
| Relative Density (20°C/25°C) | 0.928–0.936 g/cm³ |
| Water Content (KF) | <=0.5% |
| Color (APHA/Pt-Co) | <=150 |
| Odor | Characteristic mild linseed odor |
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 Linseed oil
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Linseed oil
Industrial Linseed oil 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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