METHYLHYDROSILOXANE, DIMETHYLSILOXANE COPOLYMER, TRIMETHYLSILOXANE TERMINATED Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 68037-59-2 |
| Product name | METHYLHYDROSILOXANE, DIMETHYLSILOXANE COPOLYMER, TRIMETHYLSILOXANE TERMINATED |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeElectronic GradeSpecialty GradeCosmetic GradeFood 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 68037-59-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 68037-59-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 68037-59-2
| Industry | Application | Process |
|---|---|---|
| Chemical Materials | Used as a capping or crosslinking agent for organosilicon products such as silicone oils and silicone rubbers | Introduces reactive hydrogen into polymerization reactions to participate in hydrosilylation, thereby controlling molecular weight or forming crosslinked structures |
| Coatings & Inks | Used as a raw material for leveling agents, defoamers, or adhesion promoters | Reacted with alkenyl-functional monomers via Si–H bond addition to produce modified silicone oil additives |
| Textile Auxiliaries | Functional component in fabric softeners and water-repellent agents | Copolymerized with alkenyl siloxanes to impart hydrophobicity and soft hand feel to fabrics |
| Personal Care Products | Used as a conditioning or lubricating ingredient in cosmetics | Synthesized into amino- or polyether-modified silicone oils to enhance skin feel and spreadability |
| Electronic Encapsulation | Crosslinking component in LED encapsulants and potting compounds | Undergoes addition curing with vinyl silicone resins to form elastic, electrically insulating protective layers |
Manufacturing Quality Control of 68037-59-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions |
| Acid Value | Acid-Base Titration | Neutralization of acidic components with standardized KOH solution using phenolphthalein indicator |
| Hydroxyl Value | Acetic Anhydride Acetylation | Reaction of OH groups with acetic anhydride followed by back-titration of unreacted anhydride |
| Viscosity | Capillary Viscometry | Measurement of flow time through a calibrated capillary tube at specified temperature to calculate kinematic viscosity |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated refractometer at 25 C |
| Density | Pycnometry | Comparison of sample mass to volume using calibrated pycnometer at 20 C |
| Volatile Content | Thermogravimetric Analysis (TGA) | Quantification of mass loss upon heating under inert atmosphere to determine non-volatile residue |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine-based reagent to quantify water content stoichiometrically |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion by measuring characteristic atomic emission wavelengths |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect chloride ion endpoint |
| Flash Point | Cleveland Open Cup (COC) | Heating sample in open cup while applying ignition source to determine lowest temperature at which vapors ignite |
| pH (10% aqueous solution) | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in diluted aqueous dispersion using calibrated pH electrode |
Technical Specifications of 68037-59-2
| Test Item | Specification |
|---|---|
| Appearance | Clear, colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.395–1.405 |
| Relative Density (20°C/25°C) | 0.95–0.98 g/cm³ |
| Odor | Characteristic mild silicone 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 68037-59-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 68037-59-2
Industrial 68037-59-2 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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