type

Type VII-A

Quality Level

200

form

powder

technique(s)

electrophoresis: suitable

impurities

≤7% water

ash

≤0.4%

turbidity

≤4 NTU (1.5% gel)

EEO

≤0.12

mp

65 °C±1 °C

transition temp

gel point 26 °C ±2 °C (1.5% gel)

gel strength

≥250 g/cm² (1% gel)

anion traces

sulfate (SO₄^2-): ≤0.4%