Product Description
Chemical Resistance Semi Solid Phenolic Novolac Epoxy Resin NPPN-638S
1. General Description
NPPN-638S has two advantageous properties: heat resistively of phenolic backbone and reactivity of an epoxy. Comparing with BPA-based epoxides which have two epoxides per molecule, NPPN-638S has an average of 3.6 epoxy groups per molecule.
NPPN-638S provides tightly cross-linked cured systems having better elevated temperature performance, chemical resistance and adhesion than the BPA-based resins.
2. Chemical Composition
Phenolic novolac epoxy resin
3. Sale Specification & Typical Properties
| Quality |
Unit |
Range |
| Solution viscosity |
25℃ |
H~J |
| Physical State |
- |
Semi Solid |
| Epoxy Equivalent Weight |
g/eq |
170-190 |
| Color |
Gardner |
max 3.0 |
4. Application
- Laminates
- Civil engineering
- Filament winding
- Composite
5. Storage properties
At least 12 months in sealed containers at ambient temperature.
6. Handing precautions
Product may cause skin and eye irritation. In cases of skin contact wash immediately with soap and water. For eyes, flush with plenty of water for 15 minutes and seek medical attention immediately.
7. Packaging
220kg/drum, 17600kg/80 drums/20pallet, 17,600kg/20Fcl
8. Warehouse & Loading
9. FAQ
Our commitment to quality is demonstrated through our adherence to stringent international standards, rigorous quality control processes, and a proven track record of serving industries with demanding quality expectations.
Are your products certified and compliant with industry standards?
Yes, our MTHPA epoxy resin hardeners comply with industry standards, including ROHS and REACH regulations. We ensure that our products are environmentally responsible and safe for use.
How do you maintain quality consistency in your products over time?
Our strict quality control processes are integrated into every step of our production, from sourcing raw materials to final packaging. This rigorous approach ensures that quality remains consistent in each batch of our MTHPA epoxy resin hardeners.
How can I trust that your company will deliver on its promises?
Our established presence, industry partnerships, and satisfied customer base are testaments to our commitment to delivering on our promises. We prioritize transparency, communication, and customer satisfaction.
Do you offer product warranties or guarantees?
Yes, we stand behind the quality of our MTHPA epoxy resin hardeners. We offer warranties or guarantees to ensure that our products meet or exceed your expectations.
Can you provide details about your quality testing procedures?
Our quality testing procedures involve comprehensive laboratory testing for various parameters including performance, stability, and safety. These tests ensure that our MTHPA epoxy resin hardeners meet the highest quality standards.
Can I request samples to evaluate the quality of your products before making a purchase?
Yes, we offer the option to request free samples of our MTHPA for evaluation. This allows you to experience the quality and performance firsthand before making a purchase decision.
What payment terms does Dahua work with?
Currently, we accept both Letter of Credit (L/C) and Telegraphic Transfer (T/T) payments.
Which trade terms does Dahua work with?
We commonly work with internationally recognized trade terms such as EXW, FOB Guangzhou / FOB Shenzhen, Cost, CIF. We're here to provide you with the necessary information to facilitate successful business transactions.
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