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Society of the Plastics Industry spark finish to VDI conversion

Q. What is the equality of american SPE/SPI 2 surface roughness in ISO/ VDI standard?

Mrs. Ida Fehér
plastic injection plant - Székesfehérvár, Hungary
2004

Q. Hi, I'm a process engineer in the plastics moulding industry in the UK. I am being asked to get one of our mould tools re-textured to the Society of the Plastics Industry specification #6. This is an American standard and our British toolmaker needs to know the VDI equivalent. I can find no comparison table and I need to be able to let our tool maker know what is required. Can anyone help?

Garry Woodfine
Senior process engineer - Mitcheldean, Gloucestershire, England.
2007

A. Garry
I cut and pasted your question into google.
One click got me the SPI website
The next click got FAQ and guess what was No 1
Give it a try; and don't mention the Bear in Ruardean!

Geoff Smith
Hampshire, England
2007

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