size of drywall screws for ceiling

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  • Generally speaking, in dry main gas and indoor use, the thickness of galvanized coating is only 6-12μm, but under poor environmental conditions, the thickness of galvanized coating is 20μm, can reach 50μm. Therefore, environmental factors should be considered when choosing the thickness of galvanized layer. Galvanized layer after passivation treatment, can naturally form a layer of bright, beautiful color passivation film, can obviously improve its protective function, decorative.

  • (1) Protect and support seawalls, hillsides, roads and Bridges, river courses and other water conservancy projects;
  • 2.7*2.25mm indicates that the two strands are 2.7mm silk, and the thorn strands are 2.25mm silk.
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