Company Profile ----------
Suqian City Hengliyuan Import and Export Trade Co., LTD is a trading company. The company has introduced advanced scientific and technological achievements from home and abroad, and has superior products from well-known manufacturers at home and abroad. The basic functions are:
1. Domestic trade of various chemical raw materials;
2. Providing price information services and chemical raw material procurement for industrial enterprises;
3. Cooperating with Chinese state-owned enterprise factories, the price and quality are very advantageous.
At present, the company is relying on the combination of industry and trade and global procurement to steadily improve the company's value-added ability and compound competitiveness. We have always been committed to producing high-quality and low-cost goods, so we have been sincerely recognized by many customers. Our goal is to produce the best products and satisfy every customer with professional services and attitudes. We look forward to cooperating with you and establishing a win-win relationship with you. Please rest assured that we will definitely satisfy you.
----------Our Advantages---------
High quality with competitive price
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We can provide high quality products with factory price
2. Fast delivery
1) Fast shipment.Various transportation methods for your choice.
2) We have our own agent/remailer/distributor who can help us ship our products very fast , and we have stock in the ir for transferring.
3. Good communication and credit
1) Fast response to customer within 5 hours
2) Good business credit in Europe, US, Japan, Korea, Af r ica and so on.
Complete Product Details – TDE-85 Epoxy Resin (CAS 38891-59-7)
1. Basic Identification Information
CAS No.: 38891-59-7
Chemical Full Name: Diglycidyl 4,5-Epoxycyclohexane-1,2-Dicarboxylate
Trade Name: TDE-85 Epoxy Resin
Category: Trifunctional Cycloaliphatic Glycidyl Ester Epoxy Resin (Hybrid Epoxy)
Synonyms: Cycloaliphatic Trifunctional Epoxy Resin, EP Resin TDE85
Molecular Formula: C14H18O7
Molecular Weight: 298.29
HS Code: 3907309000
UN Classification: Non-dangerous goods for general sea & land transport
Chemical Type: Thermosetting epoxy monomer, high cross-linking matrix material
2. Physical & Chemical Properties
2.1 Appearance
Light yellow transparent viscous liquid, no suspended impurities, uniform fluidity at room temperature.
2.2 Core Physical Constants
- Density (25 ℃): 1.406 g/cm³
- Viscosity (25 ℃): 1600–2000 mPa·s
- Refractive Index n₂₀/D: 1.543
- Flash Point: 200.6 ℃
- Boiling Point: 447.4 ℃ (760 mmHg, decomposes at high temp)
- Epoxy Value: ≥0.85 mol/100g
- Solubility: Miscible with anhydrous acetone, toluene, xylene, methyl ethyl ketone, alcohol solvents; compatible with aliphatic amines, aromatic amines, anhydride & imidazole curing agents
- Storage Temperature: 5–30 ℃, avoid direct sunlight
2.3 Key Chemical Characteristics
- Trifunctional hybrid structure: Contains 1 cycloaliphatic epoxy group + 2 glycidyl ester epoxy groups, combines advantages of cycloaliphatic epoxy and glycidyl ester epoxy
- Ultra-high reaction activity: Far faster curing speed than common bifunctional cycloaliphatic epoxy resins
- Low viscosity: Only 1/5–1/10 viscosity of standard E-51 bisphenol A epoxy resin, easy to dilute and impregnate fillers/fibers
- Outstanding UV resistance & anti-yellowing property: No aromatic bisphenol skeleton, suitable for outdoor transparent coatings
- High cross-link density after curing: Cured film features excellent heat resistance, insulation, acid/alkali corrosion resistance, high hardness
- Low shrinkage during curing, superior adhesion to metal, glass, carbon fiber, ceramic substrates
3. Industrial Quality Standard (Export Premium Grade)
| Test Item | Standard Specification | Test Method |
| Epoxy Value | ≥0.85 mol/100g | Hydrochloric Acid-Acetone Titration |
| Viscosity (25℃) | 1600–2000 mPa·s | Rotational Viscometer |
| Color (Hazen) | ≤150 | Platinum-Cobalt Colorimetry |
| Moisture Content | ≤0.1 % | Karl Fischer Titration |
| Volatile Matter | ≤0.3 % | Gravimetric Heating Method |
| Chloride Ion Content | ≤50 ppm | Ion Chromatography |
| Appearance | Pale yellow clear viscous liquid without sediment | Visual Inspection |
4. Main Industrial Applications
4.1 Electronic & Electrical Insulation Industry (Core High-end Field)
- High-voltage electrical component potting & encapsulation: Transformers, rectifiers, voltage regulators, mutual inductors
- Electronic component sealing: Capacitors, resistors, circuit board insulating coating, LED transparent packaging glue
- High-temperature resistant insulating adhesive for motor winding, electrical winding impregnating varnish
Advantages: Low ion impurity, excellent dielectric property, heat-resistant, no yellowing after long-term operation
4.2 Anti-corrosion & UV-resistant Transparent Coatings
- Outdoor anti-corrosion finish for metal steel structure, aluminum alloy, stainless steel equipment
- Transparent weather-resistant topcoat for glass, plastic, handicrafts, architectural decorative coatings
- Marine anti-corrosion clear coating, pipeline inner wall protective paint
Advantages: Zero yellowing under long UV exposure, strong acid/alkali resistance, high gloss retention
4.3 Advanced Composite Materials
- Carbon fiber/glass fiber composite matrix resin: Aerospace lightweight parts, wind turbine blade accessories, sports equipment
- Filament winding resin for high-pressure composite pipes, storage tanks
- High-performance bonding adhesive for composite laminates
Advantages: Low viscosity for full fiber impregnation, high cross-link strength, high heat distortion temperature
4.4 High-strength Structural Adhesives
Adhesive for metal, ceramic, glass, carbon fiber bonding; used in precision machinery, new energy battery shell sealing, optical component fixation
4.5 Other Fine Industrial Scenarios
- UV-resistant transparent casting resin for art craft, crystal ornament pouring
- Acid anhydride curing high-temperature resistant molding compound
- Optical instrument transparent encapsulating material with low light loss
5. Packaging, Storage & Transportation Rules
5.1 Export Standard Packaging
- Bulk industrial grade: 200kg sealed iron drum with inner anti-corrosion coating
- Small trial packaging: 25kg plastic-lined iron drum / 5kg plastic can
- Large bulk shipment: Insulated stainless steel IBC tank
5.2 Storage Requirements
- Store in cool, dry, ventilated warehouse, temperature controlled at 5–30 ℃; strictly avoid direct sunlight and high-temperature environment
- Seal drum tightly to prevent moisture absorption and solvent volatilization; separate storage with strong oxidants, strong acids
- Shelf life: 12 months under sealed normal storage; re-test epoxy value if stored over shelf life
- Keep away from open flame, high heat source during storage
5.3 Transportation Regulation
Classified as general non-hazardous chemical goods, no UN dangerous goods label required
- Avoid high temperature and sunlight exposure during transit; forbid stacking near heat sources
- No mixed loading with strong acid, strong oxidizing chemicals
- Complete export documents provided: COA, TDS, MSDS, REACH test report
6. E-commerce Listing Copy (Direct Copy for Echemi / Alibaba)
Product Title
TDE-85 Cycloaliphatic Trifunctional Epoxy Resin CAS 38891-59-7 Low Viscosity UV Resistant for Electronic Encapsulation Composite Weatherproof Coating
Short Description
TDE-85 Epoxy Resin (CAS 38891-59-7) trifunctional cycloaliphatic glycidyl ester epoxy with epoxy value ≥0.85 mol/100g, ultra-low viscosity, excellent anti-yellowing & insulation performance. Widely used for electronic potting, outdoor UV coating, carbon fiber composite matrix and high-strength structural adhesive. Full export documents including COA, TDS, MSDS and REACH certification available.
Full Listing Description
TDE-85 Epoxy Resin with CAS registry number 38891-59-7 is a premium trifunctional hybrid cycloaliphatic epoxy resin supplied as pale yellow transparent viscous liquid complying with industrial export standard. It owns unique dual epoxy structure combining cycloaliphatic ring and glycidyl ester group, featuring fast curing, low viscosity, outstanding UV weather resistance and high cross-link density after curing.
Different from conventional bisphenol A epoxy, this product will not turn yellow under long-term sunlight irradiation, with stable electrical insulation and superior chemical corrosion resistance. It covers multiple high-value downstream industries: high-voltage electronic component encapsulation & insulation varnish, outdoor transparent anti-corrosion coating, carbon fiber/glass fiber composite matrix resin, metal & glass structural adhesive, optical craft casting resin.
Our factory provides stable batch quality with strict control on chloride ion and volatile impurities. Flexible packaging options include 200kg iron drums, 25kg small drums and IBC tanks for full container orders. As general non-hazardous cargo, it supports convenient sea and land customs clearance with stable continuous supply capacity worldwide.
7. Printable Export Certificate of Analysis Template
CERTIFICATE OF ANALYSIS
Product Name: TDE-85 Cycloaliphatic Epoxy Resin
CAS No.: 38891-59-7
Grade: Export Premium Industrial Grade
Batch No.
Net Weight: 200kg/drum
Manufacture Date
| Test Item | Standard Spec | Test Result | Test Method |
| Epoxy Value | ≥0.85 mol/100g |
| Hydrochloric Acid-Acetone Titration |
| Viscosity (25℃) | 1600–2000 mPa·s |
| Rotational Viscometer |
| Color (Hazen) | ≤150 |
| Platinum-Cobalt Colorimetry |
| Moisture Content | ≤0.1 % |
| Karl Fischer Titration |
| Volatile Matter | ≤0.3 % |
| Gravimetric Heating Test |
| Chloride Ion | ≤50 ppm |
| Ion Chromatography |
| Appearance | Pale yellow clear viscous liquid without sediment | Visual Inspection |
|
Conclusion: This batch meets premium export standard of TDE-85 trifunctional cycloaliphatic epoxy resin.
TDS
South Africa
India
Saudi Arabia
Pakistan
Egypt
