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GEHR POM® C 25GF

1 of 6 products in this brand
GEHR POM® C 25GF has a broad property profile that offers increased strength for many applications compared to non-reinforced GEHR POM-C®. In addition, the reinforcement reduces the coefficient of expansion and simultaneously increases the heat deflection temperature.

Polymer Name: Polyacetal Copolymer (POM)

Reinforcement Material: Glass Fibers

Physical Form: Custom, Rods

Density: 1390.0 - 1390.0 kg/m³

Features: Chemically Coupled, Dimensional Stability, Electrically Insulating, Good Environmental Stress Crack Resistance (ESCR), Good Sliding Properties, Good Solvent Resistance, Good Thermal Stability, High Heat Deflection Temperature, High Rigidity, High Stiffness, High Strength, Low Water Absorption

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Fillers Included
Reinforcement Material

Features & Benefits

Properties
  • Pressure tested quality
  • High strength and stiffness
  • High rigidity (to -40 °C)
  • High thermal stability
  • Low water absorption
  • High dimension stability
  • Good electrical insulating properties
  • Very good sliding properties
  • High resistance to solvents
  • Very high resistance to stress cracks

Applications & Uses

Markets
Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Applications
  • Components in machinery engineering

Properties

Flame Rating
Physical Form
Form and Condition
Rods. Sheets. Hollow Rods / Solid
Odor
Odorless
Insoluble in
Water
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Break130MPaISO 527
Elongation at Break (R)3%ISO 527
Impact Strength (an)55kJ/m2ISO 179
Notch impact Strength (ak)9kJ/m2ISO 179
Ball Indentation (Rockwell Hardness)H 190MPaISO 2039
Modulus of elasticity (Et)8800MPaISO 527
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.58ISO 1183
Water Absorption0.9%ISO 62
Humidity Absorption0.15%ISO 62
Maximum Permissible Service Temperature110°CUL746B
Lower Permissible Service Temperature-40°CUL746B
Thermal Properties
ValueUnitsTest Method / Conditions
Vicat Softening Point (VST/B/50)160°CISO 306
Heat Deflection Temperature (HDT/A)163°CISO 75
Coefficient of Linear Thermal Expansion0.4K-1.10-4ISO 11359
Melting Temperature (Tm)168°CISO 3146
Typical Properties
ValueUnitsTest Method / Conditions
Density1.39g/cm³
Melting Temperature160 - 175°C
Thermal Decompositionmin. 240°C
Ignition Temperature320 - 340°C
Electrical Properties
ValueUnitsTest Method / Conditions
Volume Resistivitymin. 10^12Ω.cmIEC 60093
Surface Resistivity (Ro)min. 10^13ΩIEC 60093
Dielectric Constant (1MHz)3.2-IEC 60250
Dielectric Constant (1MHz)4-IEC 60250
Dielectric Loss Factor (1 MHz)7-IEC 60250
Dielectric Strength43kV/mmIEC 60243-1
Tracking ResistanceCTI 600VIEC 60112
Additional Information
ValueUnitsTest Method / Conditions
FlammabilityHB-UL 94

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Fire-fighting Measures

Suitable extinguishing agents

Water, foam, dry chemical, carbon dioxide (CO2).

Potential combustion products

Carbon dioxide (CO2), carbon monoxide (CO). Formation of further decomposition and oxidation products depend upon the fire conditions. Under special fire conditions traces of other toxic substances are possible.

Special protective equipment

Wear a self-contained breathing apparatus. If exposed to combustion fumes bring the victim into fresh air.

Further information

Dispose of fire debris and contaminated extinguishing water in accordance with official regulations..

Safety & Health

Safety Measures

The general industrial safety measures should be considered. A thermal damage during machining should be avoided.

Storage & Handling

Machining

The product can be machined with standard machinery and tools. Before machining the product should be stored at room temperature 24 h. Evacuate swarf to prevent slipping or tripping. Observe the maximum allowable concentration of dust and formaldehyd levels on the working area which apply in your country. Wear safety goggles during machining. General dust limit value: Respirable dust (6 mg/m3); Inhalable dust (10 mg/m3 ).

Storage

The products shall be stored indoor to keep away from any source of degradation such as sunlight, UV-jets, ionizing radiation, chemicals.