PVA
sealing powder. Push a filled straw into the powder and the liquid within the
filled straw sets the PVA compound, creating a sealed end. Commonly uses with straws for sealing and
identification purposes.
PVA
sealing powder. Push a filled straw into the powder and the liquid within the
filled straw sets the PVA compound, creating a sealed end. Commonly uses with straws for sealing and
identification purposes.