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High Purity BPA Type Ultra-High Temperature Phenolic Novolac Epoxy Resin for Aerospace Engine & Supersonic Composites NPPN-638S

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High Purity BPA Type Ultra-High Temperature Phenolic Novolac Epoxy Resin for Aerospace Engine & Supersonic Composites NPPN-638S

Brand Name:	DAHUA
Model Number:	NPPN-638S
MOQ:	4400 kilometers
Price:	$3.18/kilometers 4400-17599 kilometers
Packaging Details:	220kg/drum,17600kg/80drums/20pallets/20FCL
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

Guangdong, China

Certification:

ISO 9001, ROHS, REACH

CAS No.:

28064-14-4

Type:

Liquid Epoxy Resin

Main Raw Material:

Phenolic Novolac Epoxy Resin

Physical State:

Semi Solid

Epoxy Equivalent Weight G/eq:

155~170

Tg (DMA) C:

Gardner:

Max 4.0

Usage:

Aerospace Composites, Engine Components, Supersonic

Highlight:

high temperature epoxy resin

phenolic novolac composite resin

NPPN-638S epoxy resin

Product Description

High Temperature Phenolic Novolac Epoxy Resin for Composites NPPN-638S

1, General Description

NPPN-638S is DAHUA's highest-performing phenolic novolac epoxy resin, engineered for the most thermally demanding composite applications. With an epoxy equivalent weight of 155-170 g/eq and high epoxy functionality, this resin achieves the highest crosslink density in the phenolic novolac product line, yielding a glass transition temperature (DMA onset) above 220C when cured with aromatic diamine hardeners. The ultra-high functionality results from a proprietary multi-step synthesis process that maximizes epoxy group incorporation while maintaining processable viscosity. NPPN-638S delivers performance approaching polyimide-level thermal stability while maintaining the processing advantages and cost-effectiveness of epoxy resin technology.

2, Chemical Composition:

Phenolic novolac epoxy resin

3, Sale Specification & Typical Properties:

Quality	Unit	Range
Physical State	-	Semi Solid
Epoxy Equivalent Weight	g/eq	155-170
Color	Gardner	Max 4.0
Tg (DMA)	℃	>220

4, Application:

NPPN-638S is specified for the most thermally challenging composite applications:
1. Aerospace engine nacelle inner barrel components and thrust reverser cascades.
2. APU (auxiliary power unit) structural parts (180C+ continuous).
3. Supersonic aircraft leading-edge structures and engine bay thermal shields.
4. Missile radomes, rocket motor casings, and hypersonic vehicle thermal protection.
5. High-temperature composite tooling for manufacturing.
6. Downhole oil and gas tools rated for deep well conditions above 200C.

7. High purity Bisphenol-A type grade for demanding aerospace quality requirements.
8. Epoxy equivalent weight 155-170 g/eq for maximum crosslink density.
9. Alternative to BMI and epoxy vinyl ester resins with superior processability and lower cost. 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

9, FAQ

Q: How does NPPN-638S compare to BMI resins?
A: It provides comparable thermal performance at 30-50% lower cost with significantly easier processing and no high-pressure autoclave cure required for Tg development.

Q: What is prepreg out-life for NPPN-638S?
A: Tack life 21 days at 25C and 6 months at -18C. Room temperature out-life is 14 days for standard 150gsm carbon fiber prepregs.

Q: Is NPPN-638S available in film form?
A: DAHUA can supply resin film for hot-melt prepreg production. Contact us for film specifications and minimum order quantities.

Payment & Shipping Terms

Minimum Order Quantity

4400 kilometers

Price

$3.18/kilometers 4400-17599 kilometers

Tags:

Liquid Epoxy Resin

Epoxy Curing Agent

Solid Epoxy Resin

Fumed Silica

Defoamer Additive

Dispersant Additive

Wetting Agent

Silicone Leveling Agent

Special Additives

Liquid Epoxy Resin

Epoxy Curing Agent

Solid Epoxy Resin

Fumed Silica

Defoamer Additive

Dispersant Additive

Wetting Agent

Silicone Leveling Agent

Special Additives

products details

Liquid Epoxy Resin

Epoxy Curing Agent

Solid Epoxy Resin

Fumed Silica

Defoamer Additive

Dispersant Additive

Wetting Agent

Silicone Leveling Agent

Special Additives

High Purity BPA Type Ultra-High Temperature Phenolic Novolac Epoxy Resin for Aerospace Engine & Supersonic Composites NPPN-638S

high temperature epoxy resin

phenolic novolac composite resin

NPPN-638S epoxy resin

Epoxy Resin

Industrial Epoxy Resin

Epoxy Resin Coatings