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绝缘垫片(Isolation Gasket)

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标准套筒材料 Standard Sleeve


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• G-10

– Used for standard temperature kits

– Temperature capability : (Cryogenic-302F)

– Tensile strength 45ksi

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• Mylar–Polyester film or plastic sheet

–Temperature capability : (-70 to 150 C)

–Tensile strength of 29ksi 


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• Nomex

– Same material used for firefighter apparel

– Temperature capability : up to 200C


• MICA

– MICA paper with silicone binding

– Temperature capability : up to 1000C

– Flexural Strength of 34ksi (G-10 is 45ksi)



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 • Sleeve Length Calculation:

– Washer = W

– Washer = W

– Flange = F

– Gasket = G

– Flange = F

– Washer = W

– Washer = W

– Sleeve Length =W+W+F+G+F+W+W 







标准材料螺栓垫圈 


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• G-10

– Used for standard temperature kits

– Temperature capability : Cryogenic-302F

– Great isolating capabilities

– 550 V/Mil dielectric strength


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• G-3

– Temperature capability : -65F-250F (-54 - 121C)

– Water absorption 0.7% (Phenolic material)


• MICA

– Temperature capability : Up to 1000C

– Used with SS backup washers for higher temperature capabilities 



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• HCS

– Hardened coated steel washers (yellow)

– Used for VCFS  (-40 to 250C)

– Bolt load will not decrease in case of a fire


• DH

– Diamond Hyde (tan)

– Great resistance to high electrolyte environments

– Used for our VCFS product

– Higher temperature capability of up to 260C



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 • ZPS (Zinc Plated Steel)

– Used to distribute load of the nut onto the insulating washer

– Installation is important– Insulating washer against the flange


• SS (Stainless Steel)

– Better resistance to high electrolyte environments (salt water) 






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