{"id":74,"date":"2022-07-14T22:43:59","date_gmt":"2022-07-14T14:43:59","guid":{"rendered":"https:\/\/acomold.com\/how-to-define-the-surface-finish-for-injection-molded-parts.html"},"modified":"2023-07-27T11:30:53","modified_gmt":"2023-07-27T03:30:53","slug":"how-to-define-the-surface-finish-for-injection-molded-parts","status":"publish","type":"post","link":"https:\/\/www.acomold.com\/how-to-define-the-surface-finish-for-injection-molded-parts.html","title":{"rendered":"How to define the surface finish for injection molded parts"},"content":{"rendered":"

Some companies have troubles to define what their product surface should be, or how to describe precisely what exactly they want to the injection mold supplier<\/a>, mostly they will just say matt or polish, actually this is not clear enough to define the product surface, there are many standards for the polish or matt, and some unique patterns we call it texture.<\/p>\n

Here is an overview of SPI-SPE standard for polishing surface<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n\t\t\t\tSPI<\/td>\n\n\t\t\t\tDescription<\/td>\n\n\t\t\t\tRa
\nin \u00b5m
\n(DIN)<\/td>\n		\n\t\t\t\tDefinition<\/td>\n<\/tr>\n
\n\t\t\t\tA-1<\/td>\n\n\t\t\t\tDiamond
\nbuff grade 3<\/td>\n		\n\t\t\t\t0
\n– 0.025<\/td>\n		\n\t\t\t\tFor
\nmirror or optical finishes. Most time consuming. Steel grade important to
\nresults<\/td>\n<\/tr>\n
\n\t\t\t\tA-2<\/td>\n\n\t\t\t\tDiamond
\nbuff grade 6<\/td>\n		\n\t\t\t\t0.025
\n– 0.05<\/td>\n<\/tr>\n
\n\t\t\t\tA-3<\/td>\n\n\t\t\t\tDiamond
\nbuff grade 15<\/td>\n		\n\t\t\t\t0.05
\n– 0.076<\/td>\n<\/tr>\n
\n\t\t\t\tB-1<\/td>\n\n\t\t\t\t600
\ngrit paper<\/td>\n		\n\t\t\t\t0.05
\n– 0.076<\/td>\n		\n\t\t\t\tRemoves
\nall tool and machining marks. Provides good mold release. Light reflecting
\nfinish on molded part, some sheen.<\/td>\n<\/tr>\n
\n\t\t\t\tB-2<\/td>\n\n\t\t\t\t400
\ngrit paper<\/td>\n		\n\t\t\t\t0.10
\n– 0.127<\/td>\n<\/tr>\n
\n\t\t\t\tB-3<\/td>\n\n\t\t\t\t320
\ngrit paper<\/td>\n		\n\t\t\t\t0.23
\n– 0.25<\/td>\n<\/tr>\n
\n\t\t\t\tC-1<\/td>\n\n\t\t\t\t600
\nstone<\/td>\n		\n\t\t\t\t0.25
\n– 0.30<\/td>\n		\n\t\t\t\tRemove all tool and machining marks. Provides good
\nmold release. Mute finish on molded part, no sheen.<\/td>\n<\/tr>\n
\n\t\t\t\tC-2<\/td>\n\n\t\t\t\t400
\nstone<\/td>\n		\n\t\t\t\t0.64
\n– 0.71<\/td>\n<\/tr>\n
\n\t\t\t\tC-3<\/td>\n\n\t\t\t\t320
\nstone<\/td>\n		\n\t\t\t\t0.97
\n– 1.07<\/td>\n<\/tr>\n
\n\t\t\t\tD-1<\/td>\n\n\t\t\t\tDry
\nblast glass bead 11, 200 distance at 0.7 Mpa; 5 sec<\/td>\n		\n\t\t\t\t0.25
\n– 0.30<\/td>\n		\n\t\t\t\tFor
\ndecorative finishes. Often used for die-cast and thermoset cooling. Helps
\nhide shrink marks and other imperfections. Dull, non reflecting finish on
\nmolded or cast part.<\/td>\n<\/tr>\n
\n\t\t\t\tD-2<\/td>\n\n\t\t\t\tDry
\nblast 240 oxyde, 125 distance at 0.7 Mpa; 5 sec<\/td>\n		\n\t\t\t\t0.66
\n– 0.81<\/td>\n<\/tr>\n
\n\t\t\t\tD-3<\/td>\n\n\t\t\t\tDry
\nblast 240 oxyde, 150 distance at 0.7 Mpa; 5 sec<\/td>\n		\n\t\t\t\t4.83
\n– 5.84<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Here is VDI standard for matt surface, Matt surface is created by erosion process, it is a light and even textured surface.
\n\"VDI

It can be also unique patterns, there are many standards, mostly popular and widely recognized are MOLD-TECH and YS
\n\"YS-texture

Knowing these standards, you are able to communicate professionally with your injection mold supplier, like ACO Mold.<\/p>\n","protected":false},"excerpt":{"rendered":"

Some companies have troubles to define what their product surface should be, or how to describe precisely what exactly they want to the injection mold supplier, mostly they will just say matt or polish, actually this is not clear enough to define the product surface, there are many standards for the polish or matt, and […]<\/p>\n","protected":false},"author":1,"featured_media":7855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-buying-tips-in-china"],"yoast_head":"\nHow to define the surface finish for injection molded parts - ACO Mold<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.acomold.com\/how-to-define-the-surface-finish-for-injection-molded-parts.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to define the surface finish for injection molded parts\" \/>\n<meta property=\"og:description\" content=\"Some companies have troubles to define what their product surface should be, or how to describe precisely what exactly they want to the injection mold supplier, mostly they will just say matt or polish, actually this is not clear enough to define the product surface, there are many standards for the polish or matt, and […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.acomold.com\/how-to-define-the-surface-finish-for-injection-molded-parts.html\" \/>\n<meta property=\"og:site_name\" content=\"ACO Mold\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-14T14:43:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-27T03:30:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.acomold.com\/wp-content\/uploads\/2022\/07\/blog-injection-molding.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"mmldigi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mmldigi\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.acomold.com\/how-to-define-the-surface-finish-for-injection-molded-parts.html\",\"url\":\"https:\/\/www.acomold.com\/how-to-define-the-surface-finish-for-injection-molded-parts.html\",\"name\":\"How to define the surface finish for injection molded parts - 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