{"product_id":"rubert-329-microsurf-roughness-comparator-grit-shot-blasting-grit-ra-3-225-m-shot-ra-3-218-m","title":"Rubert 329 | Microsurf Roughness Comparator – Grit \u0026 Shot Blasting | Grit Ra 3.2–25 µm, Shot Ra 3.2–18 µm","description":"\u003cp\u003eThe Rubert 329 is a Microsurf comparator for grit-blasted and shot-blasted surfaces. It carries 4 + 4 patches covering grit-blasted patches at Ra 3.2–25 µm (Rz 25–160 µm) and shot-blasted patches at Ra 3.2–18 µm (Rz 25–100 µm), graded 1–4 as in ISO 8503\/1. Microsurf plates are the lightweight 300 series for office and design use, and each comes in a plastic wallet with an instruction card, making the 329 convenient for drawing offices specifying finishes. It combines on one plate the processes covered separately by the heavy-duty Series 100 plates 129 and 058.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMachining method: Grit Blasting + Shot Blasting\u003c\/li\u003e\n\u003cli\u003eNumber of patches: 4 + 4\u003c\/li\u003e\n\u003cli\u003eGrit: Ra 3.2–25 µm, Rz 25–160 µm\u003c\/li\u003e\n\u003cli\u003eShot: Ra 3.2–18 µm, Rz 25–100 µm\u003c\/li\u003e\n\u003cli\u003eGrades 1–4 as in ISO 8503\/1\u003c\/li\u003e\n\u003cli\u003eLightweight Microsurf format in a plastic wallet with instruction card\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rubert","offers":[{"title":"Default Title","offer_id":67656297382001,"sku":"329","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/microsurf_1c0a5651-3755-465d-9c4f-2ef52d55fbe7.jpg?v=1791811518","url":"https:\/\/www.generaltechshop.sa\/products\/rubert-329-microsurf-roughness-comparator-grit-shot-blasting-grit-ra-3-225-m-shot-ra-3-218-m","provider":"General Tech Services LLC","version":"1.0","type":"link"}