Formvar 15/95 (Poly[vinyl formal])
CAS Number:
9003-33-2
有货
Powder used to make support films on E.M. grids for fragile samples. Polymer contains cyclic acetal units, some residual hydroxyl groups.
Hydroxyl content 5.0-6.5%; acetate 9.5-13.0 Formal 82%
Shipping Requirements:
None
Tg:
108°
Refractive Index:
n20/D 1.500
Solubility:
acetic acid, dioxane, THF, chloroform.
Appearance:
powder
Molecular Weight:
24,000-40,000
Glass Transition Temperature, Tg (ºC):
108°
Hazards:
Irritant
Handling:
Gloves & chemical goggles
Storage:
Store at room temperature
