GK-17 – White – 0.43mm | FormexCustom pads and gaskets priced instantly and made to order within 24 hours!

GK-17 – White – 0.43mm | Formex

Flame Retardant Polypropylene

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  • Flammability Rating UL 94 VTM-0
  • Dielectric Strength 2,200 Volts / mil @0.005″
  • Temperature Rating 115°C / 239°F
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SKU: 93366 Categories: , Brand:

Description

Formex GK-17 White, the market proven formulation of flame retardant polypropylene electrical insulation material from ITW Formex, offers exceptional reliability and durability for a variety of industrial and consumer product applications. Formex GK-17 offers superior dielectric strength, an elevated temperature rating, and exceptional moisture and chemical resistance to protect sensitive electronic elements from dielectric or environmental damage. It can also be used as a physical barrier that protects general users or service workers from the dangers of exposure to electrically charged components. In addition, Formex GK can easily be scored and folded into three-dimensional shapes, making it a highly versatile product.

Benefits

  • Moisture Absorption of <0.02%
  • Dielectric strength of > 1700V/mil at (18 mil).
  • Excellent scoring and die-cutting characteristics

Features

  • UL 94V-O fire certificated polypropylene (PP) and FORMEX patented formula extruded sheet material
  • Superior electric surge shielding in industrial and consumer electronic equipment
  • Chemical Resistance
  • Suitable for die cutting and easy maintenance with flexible characteristics

Recommended Uses

  • Power supplies, transformers, and inverters
  • Electric vehicle battery packs and charging equipment
  • Servers and data storage system
  • Telecommunications equipment
  • LED Lighting
  • UPS and surge protectors
  • Medical Devices
  • HVAC Equipment and Appliances
  • EMI Shielding Laminates
  • Battery Insulation Gasket

Manufacturing Specification

Property Test Method GK-5 GK-10 GK-17 GK-30 GK-40 GK-62
Colour Black Natural & Black Natural & Black Natural & Black Natural & Black Natural & Black
Thickness (in) 0.005 (+0.001 / -0.001) 0.010 (+0.003 / -0.0015) 0.017 (+0.003 / -0.001) 0.030 (+0.002 / -0.002) 0.040 (+0.002 / -0.002) 0.062 (+0.004 / -0.004)
Thicknes (mm) 0.127 (+0.025 / -0.025) 0.25 (+0.08 / -0.04) 0.43 (+0.08 / -0.03) 0.76 (+0.05 / -0.05) 1.02 (+0.05 / -0.05) 1.57 (+0.10 / -0.10)

UL Flammability Rating / Performance Levels

Property Test Method GK-5 GK-10 GK-17 GK-30 GK-40 GK-62
Flammability UL 94 VTM-0 VTM-0 V-0 V-0 V-0 V-0
Relative Temp Index (Electrical) UL746B 115°C / 239°F 115°C / 239°F 115°C / 239°F 115°C / 239°F 115°C / 239°F 115°C / 239°F
Relative Temp Index (Mechanical Without Impact) UL746B 115°C / 239°F 115°C / 239°F 115°C / 239°F 115°C / 239°F 115°C / 239°F 115°C / 239°F
High Current Arc Ignition – PLC (arcs to ignite) UL 746A 0 0 0 0 0 0
High Voltage Arc Tracking – PLC (in / min) UL 746A 0 0 0 0 0 0
Hot Wire Ignition – PLC (seconds UL 746A 0 0 0 0 0 0
Comparative Tracking Index – PLC ASTM D-3638 0 0 0 0 0 0

Typical Mechanical Properties

Property Test Method GK-5 GK-10 GK-17 GK-30 GK-40 GK-62
Tensile Yield – PSI (Machine Direction) ASTM D-882 / ISO 527-1,-2 3,700 4,400 4,400 4,000 4,000 4,000
Tensile Yield – PSI (Transverse Direction) ASTM D-882 / ISO 527-1,-2 3,000 3,200 3,200 3,200 3,700 3,700

Typical Physical Properties

Property Test Method GK-5 GK-10 GK-17 GK-30 GK-40 GK-62
Density – gm/cc ASTM D-792 / ISO 1183-1,
Method A		 1.035 1.035 1.035 1.035 1.035 1.035
Oxygen Index – % ASTM D-2863 / ISO 4589–1,-2 29 29 29 29 29 29
Water Absorption – % Change in weight ASTM D-570 / ISO 62, Method 4 0.06% 0.06% 0.06% 0.06% 0.06% 0.06%
Heat Deflection Temperature under load ASTM D-648 0.45MPa / ISO
75-1,-2,Method B		 121°C / 250°F 121°C / 250°F 121°C / 250°F 121°C / 250°F 121°C / 250°F 121°C / 250°F
Surface Energy – dynes / cm (as produced) ASTM D-2578 ≥ 50 ≥ 50 ≥ 50 ≥ 50 ≥ 50 ≥ 50

Typical Electrical Properties

Property Test Method GK-5 GK-10 GK-17 GK-30 GK-40 GK-62
Comparative Tracking Index – volts IEC 60112 600 600 600 600 600 600
Dielectric Breakdown – volts ASTM D-149 / IEC 60243-1 11,000 16,264 20,292 29,610 33,380 41,558
Dielectric Strength – volts / mil ASTM D-149 / IEC 60243-1 2,200 1,626 1,194 987 834 670
Volume Resistivity – ohm-cm ASTM D-257 / IEC 62631-3-1 3.97 x 10¹⁵ 3.97 x 10¹⁵ 3.97 x 10¹⁵ 3.97 x 10¹⁵ 3.97 x 10¹⁵ 3.97 x 10¹⁵
Dielectric Constant ASTM D-150 / IEC 60250, 1MHz 1.90 1.90 1.90 1.90 1.90 1.90
Dissipation Factor ASTM D-150 / IEC 60250, 1MHz 0.0023 0.0023 0.0023 0.0023 0.0023 0.0023

Formex GK Datasheet





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