WebIf you need exact texture matching of plastic parts then a more detailed standard is required. High Quality, Optical Quality SPI Finish A-1 — Grade #3, 6000 Grit Diamond Buff SPI Finish A-2 — Grade #6, 3000 Grit Diamond Buff SPI Finish A-3 — Grade #15, 1200 Grit Diamond Buff Cosmetic SPI Finish B-1 — 600 Grit Paper SPI Finish B-2 — 400 Grit Paper WebAlodine Anodizing Black Oxide Electroless Nickel Plating Electropolishing Hand Polishing Media Blasting Nickel Plating Passivation Powder Coating Tumbling Vapor Polishing Zinc Plating. ... SPI-A2 SPI-A3 SPI-B1 SPI-B2 SPI-B3 SPI-C1 SPI-C2 SPI-C3 MT (Moldtech) VDI (Verein Deutscher Ingenieure) YS (Yick Sang) ...
Surface Finish Chart: A Guide to Understanding Surface Finishing
WebSPI surface finish chart for roughness technology SPI a1 is comparable to RA.0-1 made by #3 diamond buff SPI a2 is slightly finer than a1 and RA.1-2 made by #6 diamond buff SPI a3 has more imperfections than a2 and … WebNew mould testing, material ABS with SPI-A2 surface finish. Tech Mould Co., Ltd 92 subscribers Subscribe 70 views 2 years ago We tested a new mold today, the material is ABS with SPI-A2... temperature for 1 year old
SPI Surface Finish For Injection Molded Parts- SPI Mold Finish Chart
WebJul 18, 2016 · The SPI’s grades C-1, C-2 and C-3 specify matte finishes from steel molds polished with fine stone powder. These finishes can’t show mold, tool or machining … WebSPI (SPI A1-SPI D3) SPI -- The Society of the Plastic Industry. An SPI A-1 Diamond Finish is a specialty of Bales Mold Service. We use it to produce the finest finish on molds, producing highly visible or lens quality parts. The SPI A-2 is the most widely used diamond finish, providing good release and good visual parts. An SPI A-3 is a fine ... WebSPI Finish Standard VDI 3400 Standard Roughness (RA/μm) Typical Finishes; SPI A1: Not Available: 0.012 to 0.025: Lens / Mirror: SPI A2: Not Available: 0.025 to 0.05: High Polish: … temperature for 5 year old