Product Standard
ISO, NEMA, IEC, DIN, JIS
Material: woven fiberglass cloth, epoxy resin, cellulosic paper core
Color & Logo: white
F828, similar to CEM-1, is made with continuous-filament woven glass fabric outer surfaces and cellulosic paper core, using a flame-retardant epoxy resin binder.It exhibits high mechanical strengths (flexural, impact, and tensile) at room temperature. It has good dielectric loss and electric strength properties under both dry and humid conditions and does not support combustion under specific laboratory test conditions,punches well up to 2mm. It is used for electrical and electronic insulation where low moisture absorption and moderate physical and electrical strength is needed. It meets flammability class V-0, when tested in accordance with UL 94 and is not recommended for wear applications.
Product Application
|
Industry |
Components |
Benefits |
|
Appliances |
Rice cooker terminal boards, AC relay brackets |
Resists humidity-induced deformation |
|
Industrial |
Inverter insulation plates, motor commutator shims |
Arc-resistant, extends lifespan |
|
New Energy |
PV inverter connectors, EV charger insulation sleeves |
Flame-retardant, withstands harsh conditions |
Product Properties
- Flame Retardancy: UL 94 V0 rating (self-extinguishing within ≤10 seconds, no dripping).
- Machinability: Clean punching edges without burrs (recommended speed: 150-300 strokes/min).
- Heat Resistance: Continuous service temperature up to 130°C .
FAQ
FAQ
Q: What are the differences between F828 (CM-1) and FR-4?
A: FR-4 uses full glass-epoxy for higher strength but at higher cost. F828 (CEM-1) reduces cost via cellulose core while maintaining V0 flame retardancy, ideal for high-volume stamped parts.
Q: How to avoid moisture absorption during storage?
A: Store in sealed packaging (≤40% RH). Use within 48 hours after opening or keep in 30°C/dry cabinets.
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