Alkaline copper quaternary - Wikipedia
Alkaline copper quaternary, usually abbreviated ACQ, is a type of water-based wood preservative product containing a soluble copper (II) complex and quaternary ammonium alkyl - or aryl -substituted compounds ("quats").
Overview of Wood Preservative Chemicals | US EPA
2024年6月3日 · ACQ (alkaline copper quaternary) is a water-based wood preservative that prevents decay from fungi and insects (i.e., it is a fungicide and insecticide). It also has relatively low risks, based on its components of copper oxide and quaternary ammonium compounds.
Alkaline copper quaternary (ACQ) Type D is one of several pesticide replacements for CCA as a wood preservative. To understand any potential for health risks to consumers from the use of ACQ- treated wood, an extensive hazard evaluation and risk assessment was undertaken and is reported herein. The following topics are addressed:
CCA Lumber vs ACQ Treated Wood: Are they Equal? - FBi Buildings
The new pressure-treated lumber is preserved with Alkaline Copper Quaternary (ACQ), also known as Copper Azole (CBA). Both of these chemical treatments are to have fewer environmental and health risks, but they’re also more corrosive to nails, screws, and any other metal fasteners that come in contact with lumber.
Alkaline Copper Quaternary (ACQ) Q&A - Metal-Era
Alkaline Copper Quaternary (ACQ) is a non-arsenic wood preservative that has become the treated lumber industry's answer to this EPA requirement. Q: What effect does the ban of Chromated Copper Arsenate (CCA) have on the metal fasteners used on roof edges?
Treated Wood Fact Sheet - NPIC
Micronized Copper Azole (MCA) and Micronized Copper Quaternary (MCQ) have small copper particles and another compound to protect wood from decay. The particles of copper are so small they fit into the small holes in the structure of the wood.
0677-2809P-MTDC: Preservative-Treated Wood and ... - US Forest Service
Alkaline copper quat (ACQ) is one of several wood preservatives that have been developed in recent years to meet market demands for alternatives to CCA. The fungicides and insecticides in ACQ are copper oxide (67 percent) and a quaternary ammonium compound (quat).
Specific Wood Preservatives and Components - NPIC
2024年8月16日 · Alkaline Copper Quaternary (ACQ) wood preservatives (types A, B, C, and D) contain copper oxide and a quaternary ammonium compound. ACQ is one of the most widely used types of treated wood in residential settings.
Alkaline Copper Quaternary (ACQ) - PTW-SafetyInfo.ca
Alkaline Copper Quaternary (ACQ) Use | Handling | Installation and maintenance | Disposal. The active ingredient in ACQ is copper, which has long been established as an effective biocide in timber preservation.
Alkaline copper quat (ACQ) is one of several re-cently developed wood preservatives. It contains cop-per and a quaternary ammonium compound. ACQ pro-tects against decay fungi and insects but has not been standardized for use in marine applications. Multiple variations of ACQ have been or are in the process of being standardized.