The technical characteristics of the polyvinyl alcohol you can find in Alquera are the following:
| General | |
|---|---|
| Other names | Polyvinyl Alcohol, Polyvinyl Alcohol, PVA, PVOH |
| Chemical formula | [CH₂CH] ₙ ₙ |
| Identification | |
| CAS number | 25213-24-5 |
| Properties | |
| Appearance | White granular solid |
| Melting point | 230 - 240°C |
| Bulk density at 20 | 610 - 670 kg/m³ |
| Flash point | Not applicable |
| pH (40g/L 20º) | 4,5-6,5 |
| Solubility in water | Water-soluble |
BENEFITS OF PVA
Some of the benefits of using PVA are as follows:
- Excellent film former
- Protective coating
- Can be coloured or pigmented
- Vapour barrier
- Controlled water sensitivity
- UV protection
- Transparent
- Removable
- Rheology Modulator
- Biodegradable
- Water-based solutions
- Safe (Various FDA approvals)
DISSOLUTION OF POLYVINYL ALCOHOL
Dissolving polyvinyl alcohol in water is a long and delicate process. It requires heat and movement. In this manufacturer's videoFor the industrial process, you can see the industrial process for an optimal dissolution in water. For more domestic processes we recommend slow heat and a long time (1h 30minutes for 20 grams per 500ml of water).
USES OF POLYVINYL ALCOHOL
PVA is the base for glue adhesives and is widely used for coating and protection. Here you can see more uses of polyvinyl alcohol: Uses polyvinyl alcohol
Buy Polyvinyl Alcohol - PVA
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Polyvinyl Alcohol
8,90€ – 219,00€