UPGM 205 Unsaturated Polyester Glass Mat Sheet(GPO-5)

Unsaturated Polyester Resin Laminated Sheet

Category

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3-2-20250702-4318.webp

UPGM 205 Unsaturated Polyester Glass Mat Sheet(GPO-5)

UPGM205 (GPO-5) is a special laminated material based on halogen-free, unsaturated polyester resin in connection with a reinforcement of cut glass and glass fibre.
UPGM201: Good electrical properties under high humidity, good mechanical properties at medium temperature.
UPGM202: Good mechanical properties at medium temperature, excellent flame retardant properties.
UPGM203: Similar to UPGM202, improved arc resistance and tracking resistance
UPGM204: Compared with UPGM-203, it has better mechanical strength and better heat resistance level, suitable for more rigid service conditions, but not flame retardant.
UPGM205: It has not only high mechanical and electrical strength at room temperature but also excellent heat resistance. It also has good arc resistance, tracking resistance, low-smoke, non-toxic and flame-retardant properties.

Basic Information

 

  • Product Name

    UPGM205 Unsaturated Polyester Resin Laminated Sheet

  • International Standard Code

    UPGM205, GPO-5, Hm2472

  • Thermal endurance

    155℃

  • Thermal class

    F

  • Base Material

    Unsaturated Polyester + Glass mat

  • Color

    Red, White 

  • Thickness

    0.5~80mm

  • Density

    1.85g/cm³

  • Dimensions

    1020x2010mm,1020x2040mm,1220x2440mm or customized.

 

Features

 

  • Higher mechanical properties compared with GPO3 (better tensile and bending strength at high temperature)

  • Low water absorption

  • Excellent arc resistance 

  • Excellent electric leakage resistance

  • Excellent heat resistance 

  • Excellent fire resistance

  • Low-smoke, halogen-free product

  • Possess RoHS and Reach Certificate

 

Applications

● Used in breaker: safety baffle of frame type breaker, safety shield, spacing liner, interphase partition, etc.

● Used in plastic-case breaker: interphase partition, arc extinguishing chamber isolating plate, etc.

● Used in motor product: motor armature parts, movable cover plate, slot wedge stator, fixed gasket, thin gasket, carbon brush holder, etc.

● Used in switchgear: front end, back end, upper end, bottom end, interphase partition in the partition system

● Used as arc resistant structural parts in electrical cabinets

Technical Data

UPGM205, GPO-5, Hm2472
Physical Properties Test Standard Unit Ref Value Test Value
Density ISO 1183 g/cm³ 1.8~1.9 1.85
Water absorption (thickness 4mm) ISO 62 % 0.5 0.2
Mechanical Properties
Flexural strength ⊥ ISO 178 MPa ≥250 280
Elastic modulus from bending test ⊥ ISO 178 MPa ≥18000 25000
Compressive strength ⊥ ISO 604 MPa ≥500 550
Impact strength ∥ ISO 179/3C kJ/m² ≥40 58
Tensile strength ∥ ISO 527-4 MPa ≥50 80
Electrical Properties
Electric strength at 90 °C in oil ⊥ IEC 60243-1 kV/mm ≥10.5 15
Breakdown voltage at 90 °C in oil // IEC 60243-1 kV ≥35 80
Dielectric constant IEC 60250 MV/m - 4.5
Comparative tracking index (CTI) IEC 60112 V ≥500 600
Thermal Properties
Temperature Index IEC 60216 155 155
Thermal class - Class - F
Flammability IEC60707 Class - V-0

 

The above values are for reference only and are taken from the average test results, do not represent complete consistency with the actual performance of the material.

You may also be concerned about

  • Do you accept customized products?

    Yes, based on drawings or samples.

  • What certifications do your products have?

    UL, RoHS, REACH, CE, ISO, etc.

  • What is the MOQ?

    Usually 100 kg or 100 sheets, negotiable.

  • Can you provide samples?

    Yes, common samples free, buyer pays freight.

  • What is the lead time?

    2-4 weeks after payment.

  • Do you offer OEM/ODM?

    Yes, including labeling and packaging.

  • Do you have export experience?

    Yes, over 20 years.

  • Payment terms?

    T/T 30% deposit, 70% before shipment. Negotiable if supports needed.

  • Do you provide CNC services?

    Yes, we offer CNC machining.

  • Are you a factory or trading company?

    Manufacturer and Exporter