JIC 4201-HT (MICA 500~960 Temperature)

Product catalog summary

Description
JIC 4201-HT is a non-asbestos joint sheet designed for high-temperature applications. It showcases excellent chemical and temperature resistance due to its mica or vermiculite mineral composition. The material is versatile, fire-safe, and resistant to oxidation. It is reinforced with a 0.004” 316 stainless steel tanged core, offering superior chemical compatibility compared to graphite, and can seal effectively up to 1800℉ (982℃).

Application
JIC 4201-HT is ideal for use in environments such as combustion engine exhausts, nitrogen fertilizer manufacturing, and steam applications. Its resistance to galvanic corrosion makes it suitable for seawater and offshore cooling applications. The maximum service temperature is 1800℉ (982℃), with a tested pressure limit of 0.5 MPa (5 kgf/cm²). The product is available in sizes up to 1000 mm × 1200 mm and thicknesses of 1.5 mm (1/16”) and 3.0 mm (1/8”).

Physical Properties

Density: 1.9 g/cm³ (ASTM D792)
Tensile Strength: 32.5 MPa (3.31 kg/mm²) across grain (ASTM F152)
Compressibility: 22% (ASTM F36J)
Recovery: 36% (ASTM F36J)
Ignition Loss: 3% (ASTM F495)
Dielectric Strength: 20 kV/mm (508 V/mil) at 23℃ (IEC 243)

Catalog excerpts

JIC 4201-HT (MICA 500~960 Temperature)-1

Non Asbestos Joint Sheet : For High Tem perature.  Description  JIC 4201-HT demonstrates the broad range of chemical and temperature resistance of the mica or vermiculite mineral.  JIC 4201-HT is extremely versatile, fire safe, and not susceptible to oxidation.  JIC 4201-HT is reinforced with 0.004”, 316 stainless steel tanged core.  JIC 4201-HT chemical compatibility exceeds that of graphite and will successfully seal up to 1800℉(982℃).  Application  Ideal for use in combustion engine exhaust, nitrogen fertilizer manufacturing, steam and other applications.  Unlike graphite, JIC 4201-HT resistance to galvanic corrosion will make it an excellent candidate for seawater and offshore cooling applications.  Maximum Service Temperature : 1800℉ (982℃)  Maximum Tested Pressure : 0.5 MPa (5 kgf/㎠)  Maximum Size : 1000(mm) × 1200(mm)  Thickness Range : 1.5mm(1/16”), 3.0mm(1/8”)  Physical Properties Test Method Physical Properties Typical Data Tensile strength Across grain.MPa[kg/mm2] Ignition Loss[%] Dielectric Strength. kV/mm[V/mil]

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