Appearance

White powder

Characteristics

Highly-active, excellent processing performance

Physical and Chemical Properties

Item

Unit

Properties

I

II

Water-soluble

Class 1

P2O5

%

≥32

≥69

≥70

≥71

Nitrogen (N)

%

≥12

≥14

≥14

≥14

Average polymerization

—

≥20

≥50

≥200

≥1000

PH (100g/L)

—

6.5-8.5

5-7

5-7

5.5-7.5

Pass rate (45μm mesh)

ω/%

—

≥90

≥90

—

D50/μm

μm

—

—

—

≤20

Solubility (g/100mL H2O)

—

—

—

—

≤0.5

Moisture

ω/%

—

—

—

≤0.25

Bulk density/ (g/mL)

g/mL

—

—

—

0.5-0.7

Remark

For App which average polymerization ≥200, adopt manufacturer's standard and inspect against HG/T2770-2008