Re: G10 FR4 specs

• To: tesla@pupman.com
• Subject: Re: G10 FR4 specs
• From: "Christopher Boden" <chrisboden@hotmail.com> (by way of Terry Fritz <twftesla@uswest.net>)
• Date: Mon, 06 Mar 2000 21:22:49 -0700
• Approved: twftesla@uswest.net
• Delivered-To: fixup-tesla@pupman.com@fixme

Who is the manufacturer?

>Original Poster: "Robin Copini" <rcopini@merlin.net.au>
>
>Hi List,
>
>Just picked up my new g10 disks for my srsg, they gave me a
>spec sheet that I will list below for those interested.
>
>sample thickness 0.125", (3.2mm).
>
>Tensile Strength      Lengthwise  65,000 psi
>                       Crosswise   49,000 psi
>
>Flexural Strength     Lengthwise  84,800 psi
>                       Crosswise   66,100 psi
>
>Compressive Strength  Lengthwise  43,000 psi
>                       Crosswise   42,200 psi
>                       Flatwise    48,500 + psi
>
>Water Absorption                  0.08% by weight
>Specific Gravity                  1.87
>Flammability (UL90)               94VO
>Dielectric Strength               488 Vpmil (20KV/mm)
>Dielectric Breakdown              80+Kv
>Arc Resistance                    126 seconds
>Comparative track index (CTI)     440 Volts
>Dissipation Factor, 1khz          0.005
>
>Temperature ratings for above properties are -50C to 155C.
>
>And it's also available in TUBES :-)    4.75mm ID to 250mm OD x 915 mm
>long
>
>
>
>Best Regards
>
>  Robin Copini in OZ.
>
>

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