Lewm, thank you for butting in. Static electricity forms when electrons are transferred from one item to another. For this to happen one item must be non conductive (vinyl). If you look up the triboelectric series PVC is almost at the bottom of the negative side. PVC loves to collect electrons.
Transferring electrons requires intimate contact and is aided by friction and heat.(rubbing your feet on the carpet). The tonearm being grounded is a fabulous source of electrons. The stylus with some several thousand PSI of pressure is in extremely intimate contact with the PVC and the spinning turntable provide the friction and heat to make it a great static manufacturing system. The charge migrates quickly across the surface of the record but not the label! Which is why a grounded spindle won't help. If you go back to the triboelectric series paper is a little bit to the positive side. It is a weak electron donor. It will not accept a negative charge. I hope that does it for you.
Transferring electrons requires intimate contact and is aided by friction and heat.(rubbing your feet on the carpet). The tonearm being grounded is a fabulous source of electrons. The stylus with some several thousand PSI of pressure is in extremely intimate contact with the PVC and the spinning turntable provide the friction and heat to make it a great static manufacturing system. The charge migrates quickly across the surface of the record but not the label! Which is why a grounded spindle won't help. If you go back to the triboelectric series paper is a little bit to the positive side. It is a weak electron donor. It will not accept a negative charge. I hope that does it for you.