PHENOL-FORMALDEHYDE RESIN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9003-35-4 |
| Product name | PHENOL-FORMALDEHYDE RESIN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic 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 PHENOL-FORMALDEHYDE RESIN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PHENOL-FORMALDEHYDE RESIN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PHENOL-FORMALDEHYDE RESIN
| Industry | Application | Process |
|---|---|---|
| Wood Processing | Adhesive for plywood, fiberboard, and particleboard | Hot-press curing; used alone or blended with lignin; formaldehyde scavengers added to enhance environmental performance |
| Refractories | Binders for monolithic refractories (e.g., castables, gunning mixes) | Carbon network formation via ambient- or intermediate-temperature (150–300 °C) heat treatment, providing dry-state and intermediate-temperature strength |
| Friction Materials | Matrix resin for automotive brake pads and clutch facings | Blended with phenolic-modified resins; crosslinking and curing achieved through hot-press molding at 120–180 °C |
| Foundry | Binder for shell molding sand in sand casting | Rapid shell formation upon heating (200–250 °C) in a core shooter, enhancing mold strength and collapsibility |
| Electronic Packaging | Modification component in prepreg for printed circuit board (PCB) substrates | Used synergistically with epoxy resins; cured via lamination at 170–190 °C to improve thermal resistance and dimensional stability |
| Coatings | Film-forming aid and crosslinking component in waterborne industrial anticorrosive primers | Self-crosslinking promoted by baking at 60–120 °C after ambient-temperature film formation, enhancing chemical resistance and adhesion |
Manufacturing Quality Control of PHENOL-FORMALDEHYDE RESIN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Solid Content | Gravimetric Analysis | Sample is dried to constant weight; solids content is calculated as mass percentage of residue after solvent evaporation. |
| Viscosity | Rotational Viscometry | Shear stress and shear rate are measured using a rotating spindle in the resin solution to determine dynamic viscosity. |
| pH | Potentiometric Titration | Hydrogen ion activity is measured using a calibrated pH electrode in aqueous resin solution. |
| Free Phenol Content | Gas Chromatography (GC) | Free phenol is extracted and quantified by separation on a capillary column with flame ionization detection. |
| Free Formaldehyde Content | Acetylacetone Spectrophotometry (UV-Vis) | Formaldehyde reacts with acetylacetone to form a yellow chromophore; absorbance is measured at 412 nm. |
| Resin Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Polymer chains are separated by hydrodynamic volume in a porous column; calibration with polystyrene standards yields Mw and Mn. |
| Acid Number | Acid-Base Titration | Carboxylic and phenolic groups are titrated with standardized KOH solution using phenolphthalein indicator. |
| Hydroxyl Number | Acetic Anhydride Acetylation Titration | Hydroxyl groups react with acetic anhydride; excess anhydride is hydrolyzed and back-titrated with NaOH. |
| Density | Pycnometry | Mass of a known volume of resin solution is measured to calculate density at specified temperature. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Color intensity is compared against APHA platinum-cobalt standard solutions or measured as absorbance at 430 nm. |
| Ash Content | Gravimetric Analysis After Ignition | Sample is incinerated at 550 C; residual inorganic ash is weighed as percentage of original sample mass. |
| Heavy Metals (Pb, Cd, Cr, Hg) | ICP-OES | Digestion followed by plasma excitation and elemental emission intensity measurement at characteristic wavelengths. |
Technical Specifications of PHENOL-FORMALDEHYDE RESIN
| Test Item | Specification |
|---|---|
| Appearance | Brownish Red Liquid |
| Purity | >=70.0% in Water |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | 180–220 |
| Color (APHA/Pt-Co) | <=200 |
| Solubility | Completely soluble in water |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 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 PHENOL-FORMALDEHYDE RESIN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of PHENOL-FORMALDEHYDE RESIN
Industrial PHENOL-FORMALDEHYDE RESIN 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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