Electrical Grade Materials

Plastics play a critical role in electrical contracting, offering essential insulation, strength, and durability across a wide range of components and systems. Interstate Advanced Materials supplies high-performance materials including G-10/FR4, GPO-3, PEEK, Ultem®, Noryl®, and G-9 Phenolic for switchgear, insulators, panels, and enclosures. Additional materials such as XX Paper and LE Linen Phenolic are ideal for terminal boards, electrical bushings, and low-voltage insulating applications where mechanical strength and electrical integrity are key.

PTFE and PVDF offer outstanding chemical and thermal resistance, making them suitable for high-purity or corrosive environments such as cleanroom electrical enclosures and sensor housings. Nylon, PSU, and PPS are frequently used for structural components, terminal blocks, and connector housings due to their strength, machinability, and dimensional stability.

From circuit boards and insulating barriers to relay covers and transformer parts, Interstate Advanced Materials delivers the solutions electrical contractors need to increase system safety, reduce weight, and improve longevity in commercial, industrial, and utility environments.

Plastics for electrical contracting applications fall under NAICS codes #238210, 423610, 335999, 238290, and 237130

• [ABS (Extruded) Datasheet]
• [ABS (Machine Grade) Datasheet]
• [G-9 Glass-Melamine Phenolic Datasheet]
• [GPO-3 Datasheet]
• [Noryl® Datasheet]
• [Nylon Datasheet]
• [PEEK Datasheet]
• [Polycarbonate Datasheet]
• [Polypropylene Datasheet]
• [PTFE Datasheet]
• [PVC Type 1 Datasheet]
• [Renovo-MPC™ Datasheet]
• [Ultem® Datasheet]

G-10/FR4, GPO-3, Ultem®, and G-9 Glass Melamine Phenolic are top choices due to their high dielectric strength and flame resistance. For lightweight or custom-molded enclosures, materials like Noryl®, Acetal, or PPS offer added design flexibility and moisture resistance. These materials ensure safe, long-term use in high-voltage, industrial, and outdoor installations.

PEEK is ideal for extreme conditions, including high heat and chemical exposure, making it suitable for connectors, spacers, and coil forms. Ultem® excels in thermal stability and electrical insulation with flame retardance, making it a cost-effective choice for PCB applications and electrical housings in less chemically aggressive environments.

XX Paper Phenolic is widely used in terminal boards, arc barriers, and low-voltage electrical panels. It offers good electrical insulation, machinability, and moisture resistance, making it suitable for interior electrical systems and dry environments. It’s a cost-effective material for volume electrical insulation applications.

LE Linen Phenolic provides greater mechanical strength than paper grades while maintaining strong electrical insulation properties. It is often used for mechanical-grade insulators, fuse bases, terminal blocks, and relay supports. Its durability and dimensional stability make it ideal for applications exposed to mechanical loads.

PTFE offers unmatched chemical resistance and operates across a wide temperature range, making it ideal for sensor housings, wire insulation, and components in corrosive or high-purity environments. Its non-stick and insulating properties ensure consistent electrical performance where contamination and degradation are concerns.

Noryl® is lightweight, impact-resistant, and flame retardant, with excellent electrical insulation. It’s preferred over metal for its corrosion resistance and over other plastics for its dimensional stability and low water absorption. Noryl® is commonly used in power supply housings, circuit protection cases, and electrical panels.

G-9 offers better arc resistance and higher thermal performance than G-10/FR4, making it ideal for fuse holders, high-voltage arc barriers, and switchgear components. G-10/FR4 is better for applications needing high moisture resistance and dimensional stability, such as PCB substrates and low-voltage insulating panels.