Delrin 525GR BK000 - DuPont - POM Homopolymer

Polymer Name: Polyacetal Homopolymer (POM)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Flexural Modulus: 8500.0 MPa

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Identification & Functionality

Fillers Included

Glass Fiber

Polymer Name

Polyacetal Homopolymer (POM)

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polyacetals

Delrin® 525GR BK000 Features & Benefits

Materials Features

Applications & Uses

Properties

Color

Black

Physical Form

Pellets,

Solid

Part Marking Code

>POM-GF25<

Mechanical Properties


	Value	Units	Test Method / Conditions
Tensile Modulus	9500	MPa	ISO 527-1/-2
Flexural Modulus	8500	MPa	ISO 178
Poisson's Ratio	0.34	-	-
Stress (at Break)	150	MPa	ISO 527-1/-2
Strain (at Break)	3	%	ISO 527-1/-2
Flexural Stress (at 3.5%)	200	MPa	ISO 178
Charpy Impact Strength (at 23°C)	50	kJ/m²	ISO 179/1eU
Notched Charpy Impact Strength (at 23°C)	10	kJ/m²	ISO 179/1eA
Notched Charpy Impact Strength (at -30°C)	7.5	kJ/m²	ISO 179/1eA

Typical Properties


	Value	Units	Test Method / Conditions
Resin Identification	POM-GF25	-	ISO 1043

Thermal Properties


	Value	Units	Test Method / Conditions
Melt Temperature (at 10°C/min)	178	°C	ISO 11357-1/-3
Temperature of Deflection Under Load (1.8 Mpa)	172	°C	ISO 75-1/-2
Temperature of Deflection Under Load (0.45 Mpa)	175	°C	ISO 75-1/-2

Flammability


	Value	Units	Test Method / Conditions
FMVSS Class	B	-	ISO 3795 (FMVSS 302)
Burning Rate (at 1mm Thickness)	44	mm/min	ISO 3795 (FMVSS 302)

Other Properties


	Value	Units	Test Method / Conditions
Density	1590	kg/m³	ISO 1183

Processing Information (Injection Molding)


	Value	Units	Test Method / Conditions
Drying Recommended	yes	-	-
Drying Temperature	80	°C	-
Drying Time (Dehumidified Dryer)	2 - 4	h	-
Processing Moisture Content	max. 0.2	%	-
Hold Pressure Range	80 - 100	MPa	-
Hold Pressure Time	8	s/mm	-
Melt Temperature (Optimum)	215	°C	-
Melt Temperature (Minimum)	210	°C	-
Melt Temperature (Maximum)	220	°C	-
Maximum Screw Tangential Speed	0.3	m/s	-
Mold Temperature (Optimum)	90	°C	-
Mold Temperature (Minimum)	80	°C	-
Mold Temperature (Maximum)	100	°C	-

VDA Properties


	Value	Units	Test Method / Conditions
Fogging (F-Value, Refraction, Assessed) ᴰˢ	min. 90	%	ISO 6452

Rheological Properties


	Value	Units	Test Method / Conditions
Melt Mass Flow Rate (at 190°C, 2.16 kg)	7.5	g/10min	ISO 1133
Mold Shrinkage (Parallel)	0.4	%	ISO 294-4, 2577
Mold Shrinkage (Normal)	1.2	%	ISO 294-4, 2577