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Unsaturated Polyester Molding Compounds

Hexion’s unsaturated polyester molding compounds (UP-MC) feature good dimensional stability, outstanding insulating properties and are easy to color.

Electrical components meeting the most stringent demands on their tracking resistance can be easily produced. Self-extinguishing grades are used for electrical components such as:

  • Lighting fixtures
  • Switch gear
  • Contact bridges

Halogen and phosphorous free grades are also available. Specific grades are UL listed at the highest flame resistance class (V-0) at 0.8 mm and offer a 170°C electrical RTI (Relative Temperature Index). Visually attractive and dimensionally stable parts such as oven handles can also be achieved using a UP-MC material.

ProductDescription
Bakelite® UP 804 Polyester moulding compound, inorganically filled, glass fibre reinforced, styrene free, high dimensional stability, very slight post shrinkage, good mechanical properties, non flammable, very good electrical properties, high temperature stability, UL listed.
Applications - Explosion proof switches, safety switch housings, telecommunications technology, electric motor clamp boards, wiring devices, housing parts, toaster panels, waffle iron covers, iron heat shield, oven strips, oven knobs and regulator knobs, neon tubes end parts and bases.
Bakelite® UP 3415 Polyester moulding compound, inorganically filled, glass fibre reinforced, styrene free, very high dimensional stability, non flammable, high mechanical properties, UL listed moulding compound 0.75 mm / V-0 (ALL), RTI 170 °C.
Applications - Safety switch housings and electrotechnical parts, e. g. strip switch housings, clamp boards, bobbins, neon tubes-end parts and -bases etc.
Bakelite® UP 3620 Polyester moulding compound, mainly organically filled, styrene free, processing shrinkage as for phenolic moulding compounds, nonflammable, high surface quality, UL listed.
Applications – Lamp housings, neon tubes end parts and bases, switch gears, watt hour meters housings and base plates
Bakelite® UP 3720 Polyester moulding compound, mainly organically filled, styrene free, very slight post shrinkage, very good electrical properties, very good sliding friction properties, dimensionally stable, UL listed moulding compound 0,8 mm / V1 (ALL), 1,5 mm / V-0 (ALL).
Applications - Bearings, guide rails, cross bars, micro switches, regulator switch cylinders.