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Use of calcium metasilicate (wollastonite) as a formaldehyde suppressant for urea formaldehyde resins
Use of calcium metasilicate (wollastonite) as a formaldehyde suppressant for urea formaldehyde resins
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机译:偏硅酸钙(硅灰石)作为脲醛树脂的甲醛抑制剂的用途
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摘要
Formaldehyde suppression is accomplished in urea formaldehyde foamed insulation by adding, prior to the foaming, a small but effective amount of a formaldehyde off-gassing suppressant, which is calcium metasilicate.
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