LAIRUN Magnesium PanelsMOS / MgO sandwich panels and hollow glass-magnesium board
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Magnesium oxysulfide vs magnesium oxychloride: a comparison guide

This comparison is written in brochure-attributed wording throughout, because the distinction it draws comes from the brochure, not from a test report. The brochure presents the sulfate-based glass-magnesium panel as an alternative to the oxychloride glass-magnesium panel, and this guide explains that framing without converting it into a tested conclusion.

Evidence strip

  • Brand established 31 October 2012, according to the company profile.
  • Jihua Laboratory project: 40,000 m², sulfomagnesium panels, as listed in the source site's project listing.
  • Guangzhou Quaker project: 35,000 m², magnesium-oxide rock wool panels and hollow magnesium-oxide panels, as listed in the source site's project listing.
  • Dongpeng Changsha base: 50,000 m², stainless-steel magnesium-oxide cleanroom panels, as listed in the source site's project listing.
  • Certificates available upon request. No certificate number or issuing body is stated on this site.

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The brochure framing, as stated

According to the brochure, the sulfate-based glass-magnesium panel addresses two problems attributed to oxychloride boards: steel corrosion and moisture absorption, attributed to chloride-ion release from oxychloride boards. The brochure also describes a 2019 sulfate formulation without chloride ions, presented as addressing the moisture absorption and shrinkage problems of traditional oxychloride boards. Both statements are brochure statements, and they are stated here with that attribution.

The oxychloride panel itself is not a product page on this site, and no oxychloride panel specification is stated here. The comparison is therefore one-sided by design: it explains why the sulfate-based panel is presented as an alternative, and it does not pretend to give the oxychloride panel's specification for a balanced head-to-head test.

What this guide does not do

This guide does not state that any panel on this site is chloride-free as a tested fact, and it does not extend the sulfate alternative framing to the standalone hollow board, for which no chloride claim is made on this site. The framing belongs to the sulfate-based glass-magnesium panel family, and it stays there.

A buyer choosing between a sulfate-based panel and an oxychloride panel from another supplier should compare the two panels' own specifications and test documents, not rely on this guide's brochure framing alone. Before ordering, confirm the minimum order quantity and lead time for the model you select, and confirm the applicable humidity range for that model by inquiry.


Company: Foshan Lairun New Building Materials Co., Ltd.. Address: Nanhai National Eco-Industrial Park, Danzao Town, Nanhai District, Foshan, Guangdong, China. Phone: +86 13929918930. Email: [email protected]. Before ordering, confirm the minimum order quantity and lead time for this model. Certificates are available upon request. Please ask for the certificate list for the model you are selecting.