Vibration damping properties of SUMIKASUPER LCP

SUMIKASUPER LCP has high rigidity and vibration damping properties, and therefore has superior vibration damping properties compared to other resins. The relationship between loss factor and flexural modulus is shown in Figure 3-7-1, and it shows a high loss factor while having a high modulus of elasticity.

Figure 3-7-3 Resonance characteristics of SUMIKASUPER LCP

Table 3-7-1 Comparison of SUMIKASUPER LCP with other resins

	Resonant frequency (Hz)	Loss factor
LCP-GF40%	1,680	0.0491
PES-GF30%	1,100	0.0092
PPS-GF40%	1,340	0.0093
Iron	1,340	0.0095

Thermal conductivity of SUMIKASUPER LCP

The thermal conductivity of SUMIKASUPER LCP changes depending on the orientation of the resin, and it shows high thermal conductivity in the flow direction. In addition, compared to the thermal conductivity of LCP resin, the thermal conductivity of fillers such as glass fiber is higher, so the thermal conductivity varies depending on the type and content of fillers.

Figure 3-7-4 Thermal conductivity of SUMIKASUPER LCP

Gas barrier properties of SUMIKASUPER LCP

Gas barrier properties are the amount of gas that permeates 1m² in 24 hours, called the permeation rate. The slower the permeation rate, the less the amount of gas that permeates, and the better the barrier properties. Normally, gas barrier properties are inversely proportional to the thickness of the test piece, so the thickness in the figure below is a unified value of 25μm (cc・25μm/m² ・24hr・1atm). SUMIKASUPER LCP has low permeation rates for both water vapor and oxygen permeability, and has excellent gas barrier properties.

Figure 3-7-5 Gas barrier properties of SUMIKASUPER LCP

CAE analysis of SUMIKASUPER LCP

CAE (computer-aided engineering) analysis allows you to evaluate (simulate) design problems in a product that has been artificially reproduced on a computer. Some of the technical data required for CAE is shown in the table below. The data below is data measured for CAE analysis. If you have technical data required for CAE analysis, please contact us.

Table 3-7-2 CAE characteristics of SUMIKASUPER LCP 1

	Test method	unit	E5204L	E5006L	E4008	E6006L	E6008	E6807T	E6007LHF	E6808LHF	E6810LHF
Specific heat	ASTM E1269	J/(kg K)	1,067	1,068	812	839	812	1,012	967	1,009	974
Thermal Conductivity	ISO 22007-2	W/(m K)	0.37	0.44	0.51	0.50	0.51	0.64	0.43	0.43	0.70
Melt Density	PVT method	g/cm3	1.10	1.35	1.54	1.42	1.54	1.52	1.50	1.53	1.65
Solid Density	PVT method	g/cm3	1.23	1.58	1.70	1.59	1.70	1.68	1.68	1.73	1.84
Young's Modulus (MD)	ASTM D638	MPa	8,000	-	13,000	14,000	13,000	8,700	14,000	11,000	9,900
Young's Modulus (TD)	ASTM D638	MPa	3,000	-	3,600	3,800	3,600	3,900	5,100	4,800	5,600
Poisson's ratio (MD)	ASTM D638	-	0.43	-	0.46	0.48	0.46	0.25	0.39	0.34	0.28
Poisson's ratio (TD)	ASTM D638	-	0.86	-	0.88	0.87	0.88	0.82	0.72	0.71	0.73

Table 3-7-3 CAE characteristics of SUMIKASUPER LCP 2

	Test method	unit	E6808UHF	SV6808THF	SV6808GHF	SZ6505HF	SZ6506HF	SR2506	SR2507	SR1009L	SR1205L
Specific heat	ASTM E1269	J/(kg K)	1,203	920	890	1,121	1,110	1,042	979	897	856
Thermal Conductivity	ISO 22007-2	W/(m K)	0.33	0.56	0.66	0.48	0.47	0.48	0.55	0.29	0.38
Melt Density	PVT method	g/cm3	1.54	1.57	1.53	1.42	1.44	1.46	1.54	1.60	1.06
Solid Density	PVT method	g/cm3	1.73	1.73	1.69	1.58	1.63	1.64	1.69	1.75	1.16
Young's Modulus (MD)	ASTM D638	MPa	8,000	8,000	10,000	11,200	11,000	12,000	13,000	14,000	7,600
Young's Modulus (TD)	ASTM D638	MPa	4,100	4,600	4,800	5,900	6,300	6,000	8,100	5,800	4,200
Poisson's ratio (MD)	ASTM D638	-	0.25	0.28	0.32	0.25	0.12	0.23	0.21	0.43	0.40
Poisson's ratio (TD)	ASTM D638	-	0.80	0.74	0.91	0.80	0.80	0.74	0.94	0.64	0.53