Home Unfilled acetal (POM) grades Polyoxymethylene Exablend POM 1900

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Polyoxymethylene Exablend POM 1900

Description

Exablend POM 1900 is a polyacetal homopolymer (POM-H) with improved molding properties, containing a processing release agent and a built-in lubricant. It combines the highest stiffness among polyacetals, a low coefficient of friction and precise molding. Weather-resistant, it holds its shape under long-term loads. An analog of DuPont Delrin 500P and 100P in applications requiring a homopolymer (POM-H) structure with higher crystallinity.

Key properties

POM-H homopolymer — higher crystallinity and HDT compared with POM-C
The highest stiffness and Young's modulus among polyacetals
Built-in release agent and lubricant — precise molding without additional additives
Low coefficient of friction (increased PV value)
Low moisture absorption (<0.25 % in 24 h)
Weather-resistant, shape recovery under load
High fatigue strength — for dynamic parts

Applications

Precision gears and drives. Gear wheels for household appliances, automotive and medical devices — geometric accuracy and wear resistance.

Latches, clips, buttons. Quick-release connections and fastening clips — repeated deformation without loss of shape.

Automotive fuel systems. Pump housings, valves, bushings — resistance to gasoline/diesel/ATF.

Plumbing. Mixer bodies, cartridges, connections — hot water resistance.

Furniture hardware. Precision locks, hinges and hardware for sliding mechanisms.

Property

Unit

Value

Physical properties:

Supply form

—

Pellets

Pellet size

2…6

Density

g/cm³

1.42 (ISO 1183-1)

Water absorption (saturation, 23 °C)

0.5 (ISO 62)

Rheological properties:

Melt flow rate (MFR, 200 °C / 2.16 kg)

g/10 min

25 (ISO 1133-1)

Mold shrinkage (flow direction)

1.8 (ISO 294-4)

Mold shrinkage (transverse direction)

1.7 (ISO 294-4)

Mechanical properties:

Tensile stress at yield (conditioned)

MPa

70 (ISO 527-2)

Tensile stress at yield (dry)

MPa

70 (ISO 527-2)

Tensile strength (10-year aging)

MPa

50 (ISO 527-2)

Charpy impact strength (unnotched, 23 °C)

kJ/m²

>200 (ISO 179-1/1eU)

Charpy impact strength (unnotched, −40 °C)

kJ/m²

150 (ISO 179-1/1eU)

Charpy impact strength (unnotched, moisture-saturated, 23 °C)

kJ/m²

>200 (ISO 179-1/1eU)

Charpy impact strength (unnotched, 10-year aging, 23 °C)

kJ/m²

80 (ISO 179-1/1eU)

Charpy impact strength (notched, 23 °C)

kJ/m²

5 (ISO 179-1/1eA)

Charpy impact strength (notched, −40 °C)

kJ/m²

5 (ISO 179-1/1eA)

Ball indentation hardness (conditioned)

MPa

150 (ISO 2039-1)

Ball indentation hardness (dry)

MPa

150 (ISO 2039-1)

Flexural strength

MPa

90 (ISO 178)

Elongation at break

25 (ISO 527-2)

Compression modulus (dry)

GPa

2.9 (ISO 604)

Flexural modulus (dry)

GPa

2.7 (ISO 178)

Thermal properties:

Melting temperature

°C

178 (ISO 11357-3)

Heat deflection temperature (1.8 MPa)

°C

95 (ISO 75-2)

Heat deflection temperature (0.45 MPa)

°C

160 (ISO 75-2)

Coefficient of linear thermal expansion, longitudinal

µm/(m·K)

100 (ISO 11359-2)

Coefficient of linear thermal expansion, transverse

µm/(m·K)

100 (ISO 11359-2)

Flammability

class

HB (UL 94)

Oxygen index

23 (ISO 4589-2)

Electrical properties:

Dielectric strength

kV/mm

32 (IEC 60243-1)

Volume resistivity

Ω·m

10^12 (IEC 62631-3-1)

Surface resistivity

10^15 (IEC 62631-3-2)

Comparative tracking index (CTI)

600 (IEC 60112)

Typical data for this polymer class, for reference.

Указанные показатели измеряются по внутренним методикам, близким к соответствующим ISO, ГОСТ Информация носит ознакомительный характер, рекомендуем использовать техническую информацию после согласования с поставщиком и подписания нормативно-технической спецификации