Zeolite Powder For Two-component Polyurethane Adhesive
CHEMXIN Activated Molecular Sieve Powder has good dispersibility, fast adsorption speed, strong activity, can reduce moisture, eliminate air bubbles, and improve material uniformity and strength. CHEMXIN zeolite powder can be used in polyurethane adhesive, and the factory of sealant, resin, coating, epoxy floor paint, electronic potting adhesive.
In modern industrial production, adding molecular sieve powder to polyurethane adhesives has become a necessary filler with high cost performance. Polyurethane composite glue only needs to add a small amount of activation powder to keep the material dry and anhydrous. It perfectly solves a series of problems such as air bubbles and viscosity reduction when mixing AB materials.
Polyurethane composite adhesive is a two-component adhesive. Component A is composed of polyol, molecular sieve powder and various fillers. It appears as a white viscous liquid. Component B is composed of MDI and is a dark brown transparent viscous liquid.
It is mainly used in honeycomb board and corrugated board products, and can also be used for decorative composite bonding of various metals, wood, tiles, polished bricks, stones, etc.
Technical Parameter:
| Model | Activated Molecular Sieve Powder | |||
| Color | White | |||
| Nominal pore diameter | 3 angstroms; 4 angstroms; 5 angstroms; 10 angstroms | |||
| Shape | Powder | |||
| Diameter (mm) | 3A | 4A | 5A | 13X |
| CAS NO. | 308080-99-1 | 70955-01-0 | 69912-79-4 | 63231-69-6 |
| Size (μm) | 2~4 | 2~4 | 2~4 | 2~4 |
| Bulk density (g/ml) | ≥0.43 | ≥0.43 | ≥0.43 | ≥0.43 |
| Static water absorption (%) | ≥22 | ≥23 | ≥26 | ≥28 |
| PH value | 7~9 | 9~11 | 9~11 | 9~11 |
| Sieve Residue (%) (325 mesh) | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| Water content (%) | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 |
| Typical Application | 2K-Polyurethane coatings and mouldings | |||
| Attention | The product as a desiccant can not be exposed in the open air and should be stored in dry condition with air-proof package. | |||
Production & Packaging
CHEMXIN zeolite powder can remove the bubble up to 98% when it works in Polyurethane, here share the before-after photos.
FAQ
1). Can activated molecular sieve powder be added to polyols?
---The A component of two-component polyurethane is generally polyester polyol and polyether polyol, and activated molecular sieve powder is generally added to the A component.
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