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Product photo of polyimide microspheres powder S-HK-1, S-HK-2, and S-HK-3 Product image / S-HK-1, S-HK-2, S-HK-3
Polyimide product

S-HK-1, S-HK-2, S-HK-3

Polyimide Microspheres Powder

High-temperature resistance, corrosion resistance, low expansion, uniform particle size, controllable structure, and low friction coefficient.

ModelS-HK-1, S-HK-2, S-HK-3
ApplicationsLithium-battery separators / Gas separation / Self-lubricating fillers / Functional fillers
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Product characteristics

Key product characteristics

01

High-temperature resistant, corrosion resistant, and low expansion

02

Uniform particle size and controllable structure

03

Low friction coefficient

Applications

Material performance, translated into real applications

From technical data to end applications, choose the polyimide material that fits your process and performance targets.

01Lithium-battery separators
02Gas separation
03Self-lubricating fillers
04Functional fillers
Technical specifications

Polyimide Microspheres Powder technical data

Values are measured by HUAKE Method or the corresponding standard shown.

Technical specifications
Parameter Unit S-HK-1S-HK-2S-HK-3 Test method
Appearance - 黄色粉末黄色粉末棕红色粉末 -
Average particle size μm 2005003000 SEM
Solids content % ≤5≤5≤5 HUAKE Method
Morphological structure - 实心实心实心 HUAKE Method
Compressive strength MPa >250>250>300 ASTM D882
Modulus GPa >4.2>5.5>6.4 ASTM D882
Tg 320-330355-365410-420 HUAKE Method
CTE (50-250℃) ppm/℃ ≤20≤17≤15 ASTM D696
Thermal decomposition temperature @Td5% >420>470>520 GB/T 23987-2009
Flame retardancy - UL 94 V-0UL 94 V-0UL 94 V-0 GB/T2408-2021
Dielectric strength kV >4.4>4.8>5.6 ASTM D149
Dielectric constant - <2.3<2.9<2.1 ASTM D150
Volume resistivity Ω·m >10¹⁵>10¹⁵>10¹⁶ ASTM D257
Surface resistivity Ω >10¹⁵>10¹⁵>10¹⁶ ASTM D257
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