3-Aminopropyltrimethoxysilane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13822-56-5 |
| Product name | 3-Aminopropyltrimethoxysilane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 3-Aminopropyltrimethoxysilane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Aminopropyltrimethoxysilane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Aminopropyltrimethoxysilane
| Industry | Application | Process |
|---|---|---|
| Glass Fiber / Composites | Surface treatment agent for glass fiber to enhance adhesion between resin and fiber, improving mechanical strength and electrical properties of composites | Incorporated into sizing or sizing formulations during glass fiber spinning |
| Coatings / Inks | Improves resin adhesion to inorganic substrates (e.g., glass, metal) and enhances water resistance and corrosion resistance | Added to primer, topcoat, or ink formulations as an adhesion promoter |
| Adhesives / Sealants | Increases bond strength to inorganic surfaces (e.g., glass, metal, ceramics) and improves resistance to moisture and thermal aging | Directly blended into adhesive or sealant components for modification |
| Foundry / Resin Sand | Reinforcing additive for phenolic or furan resins to improve tensile strength and moisture resistance of resin-bonded sand | Mixed into foundry resins as a bonding aid |
| Mineral-Filled Plastics | Coupling agent to improve compatibility and dispersion of inorganic fillers (e.g., talc, kaolin) in organic polymers (e.g., PE, PP) | Used for filler surface pre-treatment or directly compounded into the plastic matrix |
| Textile Printing & Dyeing | Applied in fabric finishing to improve softness, wrinkle resistance, and dye fixation | Applied via padding or coating in post-finishing processes |
Manufacturing Quality Control of 3-Aminopropyltrimethoxysilane
| Test Item | Common Test Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Place the sample in a transparent glass bottle and observe its color and clarity under natural light or standard illumination. KH-540 should be a colorless to pale yellow transparent liquid, free of visible impurities. |
| Density | Hydrometer Method / Pycnometer Method | Measure the mass-to-volume ratio of the sample at a specified temperature (typically 25°C) using a hydrometer or pycnometer to determine density, which helps assess purity and batch consistency. |
| Refractive Index | Abbe Refractometer Method | Measure the refractive index of the sample at 25°C using an Abbe refractometer as an auxiliary indicator for assessing substance purity and composition. |
| Assay (Main Component Purity) | Gas Chromatography (GC) | Use a gas chromatograph equipped with an FID detector to determine the content of the main component in KH-540 by comparison with standards or external standard method, thereby evaluating its purity. |
| Amine Value (Amino Group Content) | Acid-Base Titration | Dissolve the sample in a suitable solvent (e.g., methanol), then titrate the free amino groups with a standard hydrochloric acid solution to calculate the amine value (mg KOH/g), indicating the concentration of amino functional groups. |
| pH Value | pH Meter Method | Dilute KH-540 in deionized water (e.g., to a 1% solution), then measure the pH of the resulting solution using a calibrated pH meter. The solution is typically alkaline. |
| Hydrolytic Stability | Hydrolysis Test + Turbidity/Precipitation Observation | Mix the sample with water (e.g., at a ratio of 1:9), allow it to stand at a specified temperature for a certain period (e.g., 24 hours), and observe whether turbidity or precipitation occurs to evaluate its hydrolysis performance. |
| Color | Platinum-Cobalt Colorimetric Method | Compare the sample against standard platinum-cobalt color solutions to determine the color of the liquid (in units of APHA or Hazen), controlling product appearance and quality. |
| Moisture Content | Karl Fischer Titration | Quantitatively determine trace amounts of moisture in the sample using Karl Fischer reagent to ensure storage stability and prevent self-polymerization or degradation. |
| Impurity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Perform qualitative analysis on the sample to identify potential organic impurities such as by-products, degradation products, or residual solvents. |
Technical Specifications of 3-Aminopropyltrimethoxysilane
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 0.930–0.950 g/cm³ |
| Acid Value (mg KOH/g) | <=0.5 |
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 3-Aminopropyltrimethoxysilane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Aminopropyltrimethoxysilane
Packaging of 3-Aminopropyltrimethoxysilane
Industrial 3-Aminopropyltrimethoxysilane 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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