JUTAIPSU®NA, PSU Natural Sheet is a pure polysulfone (PSU) sheet profile. PSU is an amorphous polymer with a glass transition temperature of 187°C. It is a transparent engineering plastic with excellent chemical resistance, rigidity, and thermal stability. Due to the presence of conjugated benzene rings and sulfone groups in its polymer structure, PSU exhibits high resistance to acids and saline solutions and offers good resistance to detergents, hot water, and steam. Additionally, PSU has outstanding radiation resistance and low levels of ionic impurities.

● High tensile strength, with strength above 75 MPa;
● High flexural strength, with strength above 100 MPa;
● Excellent thermo-mechanical load capacity, heat distortion temperature of 174°C;
● Superior flame resistance and arc resistance;
● Excellent dielectric properties and insulation performance;
● Outstanding dimensional stability and low coefficient of thermal expansion;
● High heat resistance, suitable for long-term use at 160°C.

1. Electronics Industry: Connectors, coil bodies, high-frequency insulators, lamp sockets, parking protection covers, and antenna sockets
2. Mechanical Engineering: Oil level indicators
3. Food Industry: Microwave oven utensils
4. Chemical Industry: Valve cores, flanges, pipes, pump casings, and inspection windows

Performance	Test Method	Unit	PSU Natural
Color	Eye	/	Translucent amber
Density	ISO 1183-1	g/cm³	1.24
Tensile Strength	ISO 527-2	MPa	≥75
Tensile Modulus	ISO 527-2	GPa	≥2.5
Elongation At break	ISO 527-2	%	≥15
Charpy Impact Strength (Notched)	ISO 179	kJ/m²	≥4.5
Flexural Strength	ISO 178	MPa	≥100
Flexural Modulus	ISO 178	GPa	≥2.5
Ball Hardness	ISO 2039-2	MPa	≥130
Glass Transition Temperature	ISO 11357-2	℃	187
Coefficient of Linear Thermal Expansion	ISO 11359-2	10-6/K	≤60
Long-term ServiceTemperature	IEC216	℃	160
Heat Deflection Temperature	ISO 75-1/2	℃	≥170
Water Absorption (23℃、50%RH、Saturation)	ISO 62	%	≤0.3
Flame Resistance(3mm)	UL 94	/	V-2
Volume Resistivity	IEC 62631-3-1	Q-cm	≥10^14
Dielectric Strength	IEC 60243-1	kV/mm	≥37
Dielectric Constant(1MHz)	IEC 62631-2-1	/	3.1
Dielectric Loss(1MHz)	IEC62631-2-1	/	6.4*10^-3

PSU Natural Sheet Specification
Dimension Thickness*Width（mm）	Length(mm)	1M Length Weight(kg)	Length(mm)	2M Length Weight(kg)	Length(mm)	3M Length Weight(kg)
1 x 620	1000	1.18	2000	2.36	3000	3.55
2 x 620	1000	1.98	2000	3.95	3000	5.93
3 x 620	1000	2.84	2000	5.68	3000	8.52
4 x 620	1000	3.63	2000	7.27	3000	10.90
5 x 620	1000	4.71	2000	9.42	3000	14.12
6 x 620	1000	5.49	2000	10.99	3000	16.48
8 x 620	1000	7.06	2000	14.12	3000	21.19
10 x 620	1000	8.63	2000	17.26	3000	25.89
12 x 620	1000	10.21	2000	20.42	3000	30.63
15 x 620	1000	12.52	2000	25.03	3000	37.55
16 x 620	1000	13.35	2000	26.70	3000	40.05
20 x 620	1000	16.49	2000	32.98	3000	49.46
25 x 620	1000	21.20	2000	42.39	3000	63.59
30 x 620	1000	25.12	2000	50.24	3000	75.36
35 x 620	1000	29.05	2000	58.11	3000	87.16
40 x 620	1000	32.98	2000	65.95	3000	98.93
45 x 620	1000	37.30	2000	74.59	3000	111.89
50 x 620	1000	41.61	2000	83.22	3000	124.82
60 x 620	1000	49.46	2000	98.93	3000	148.39
70 x 620	1000	57.71	2000	115.42	3000	173.13
80 x 620	1000	65.56	2000	131.11	3000	196.67
90 x 620	1000	73.80	2000	147.60	3000	221.40
100 x 620	1000	82.04	2000	164.09	3000	246.13

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Outstanding radiation resistance PSU Natural Sheet

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