50kg/M3 PMI (Polymethacrylimide) Foam with Dielectric Properties for Radar Radome and Antenna

Basic Info

Model NO.	PMI HF
Elastic Modulus	75MPa
Elongation at Break	2.8 %
Flexural Strength	1.55MPa
Compressive Strength	0.83MPa
Bubble Cell Size	50-150um
Thermal Conductivity	0.030W/(M*K)
Transport Package	Wooden Box
Specification	2500*1250 mm
Origin	China
HS Code	392119

Product Description

PMI foam HF has been specially developed for radome applications. It is characterized by a lower dielectric constant and dielectric loss in the wide frequency range of 2-18GHz, with a dielectric constant of 1.05-1.13. At the same time, PMI foam HF has a lower cell size, which helps to further reduce the amount of surface resin absorption, reduce the weight of the part, and improve the wave transmittance.For radar, radomes, miniature antennas, etc., PMI foam HF is suitable for autoclaves, RTM, VARI and most composite manufacturing processes such as molding, the molding process conditions can reach 180°C/0.1MPa.

Detailed PhotosProduct Parameters

Type	Units	50HF	75HF	Test Method
Density	kg/m3	50±10	75±10	ISO 845
CompressiveStrength	MPa	0.83	1.65	ISO 844
TensileStrength	MPa	1.65	2.20	ASTM D638
ElasticModulus	MPa	75	100	ASTM D638
ElongationAt break	%	2.8	2.9	ASTM D638
FlexuralStrength	MPa	1.55	2.80	ASTM D790
ShearStrength	MPa	0.85	1.25	ASTM C273
ShearModulus	MPa	28	45	ASTM C273
Thermal conductivity	W/(m*K)	0.030	0.031	-
CompressiveCreep	%	≤2.0		GB/T 15048
Bubble cell size	μm	50-150		ZKHT/MT-21
TemperatureResistance	ºC	≥200ºC		DIN 53424

Bubble standard size

HF	Size(mm)	Sheet thicknesses are available
50 HF	2500*1250	1-120
75 HF	2500*1250	1-100

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Products

50kg/M3 PMI (Polymethacrylimide) Foam with Dielectric Properties for Radar Radome and Antenna

Basic Info

Product Description