Check the listing for details. Carborundum Valve Grinding Paste Coarse Fine. Condition: New. Listed at 16.95 USD. CarborundumValve Grinding Paste Coarse/Fine Manufactured to meet the requirements of those who require a fast cutting grease mixed compound.Made in fine and coarse grades.Coarse for rough grinding, while the fine produces the required lapped or polished seat or surface. Silicone Carbide/Grease Mixed. Grade Fine/Coarse.The fine compound contains grains of 60 micron size or less and the coarse compound is a mix of grain size 106-150 microns.Contents approx 60 grm / Pot ANG 277 NB: PLEASE NOTE THE PACKAGING MAY DIFFER FROM THAT SHOWN IN THE PICTURE ALTHOUGH THE CONTENTS WILL BE IDENTICAL. CarborundumValve Grinding Paste Coarse/Fine Manufactured to meet the requirements of those who require a fast cutting grease mixed compound. Made in fine and coarse grades. Coarse for rough grinding, while the fine produces the required lapped or polished seat or surface. Silicone Carbide/Grease Mixed. Grade Fine/Coarse. The fine compound contains grains of 60 micron size or less and the coarse compound is a mix of grain size 106-150 microns. Contents approx 60 grm / Pot ANG 277 NB: PLEASE NOTE THE PACKAGING MAY DIFFER FROM THAT SHOWN IN THE PICTURE ALTHOUGH THE CONTENTS WILL BE IDENTICAL.