Monocrystalline Silicon Si≥ 99.999999999% for Element Collection Lab Experiment Material Hobbies Simple Substance Block Display DIY

Description

Accuracy: Resin thickness is about 8~10mm, side length is 30*30mm package:High-vacuum sealed packaging to ensure that the metal is not contaminated and oxidized. Element collections, gifts, science teaching aids, exhibitions High Purity:99.999999999% purity element simple substance. Great for element collections, hobbies, DIY, experiments, material display. Service:We attach great importance to customer experience, so you can contact us if you have any questions, and we will get back to you within 24 hours! Beautiful Looks: Almost no bubbles, transparent, self-made, polished and polished by hand