Agsil™ 21 by PQ Corporation is a liquid potassium silicate. Can be used as glue to bond surfaces together when dehydrates. Possesses increased viscosity, tackiness and stickiness when dries. Works well with porous or semi-porous surfaces, where it can partially penetrate the surface. Can also bond metal and glass (but surfaces must be roughened or attacked chemically to make sure that a good physical bond can be formed). Agsil™ 21 applications are spiral and convolute tubes and cores, fiber drums, angleboard and cornerboard, corrugated board and other fibrous products (sisal, fiberglass, wood fabrics), paper/metal foil laminates, paperboard laminates.
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Agsil™ 21 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| K2O Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| SiO2 Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solid Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Water Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |