Industrial Grade

Export Grade

Unit

Fine Grade

First Grade

Regular Grade

Unit

Industrial Grade

Agriculture Grade

Purity

% ≥

99.7

99.4

99.0

% ≥

99.8

97.5

Moisture

% ≤

0.10

0.10

0.30

% ≤

0.10

Chloride(as Cl- )

% ≤

0.01

0.02

0.10

% ≤

0.01-0.03

0.80

Insoluble matter in water

% ≤

0.01

0.02

0.05

% ≤

0.01

Sulphate(as SO42- )

% ≤

0.005

0.01

% ≤

0.01

Hygroscopicity

% ≤

0.25

0.30

% ≤

0.25

Iron(Fe)

% ≤

0.003

% ≤

0.003

K2O

% ≤

46

Nitrogen ( in nitrate )

% ≥

13.5

Particle Size

0.2-2.5 , 1-3 , 2-5 , 0.2-5

MM

0.2-2.5 , 1-3 , 2-5 , 0.2-5

Standard

GB/T 1918-1998

Packing

Plastic woven bag or kraft paper bag inner with plastic bag in 2 0/25/50/500/ 1000kg net.

Protection

Operators should wear protective smock including respirator and rubber gloves, etc. Be careful not to inhale the powder of potassium nitrate to protect respiration apparatus.

Handling and Storage

Store in a cool, ventilated and dry house, away from moisture, heat or kindling. Avoid mixing with organic compound or sulphur or reducer during storage and transportation in case of explosion. Protect the material from the sun and rain during transportation. Carefully load and unload in case of crash.

Applications

It is mainly applied in TV kinescope glass, glass refining agent and motor light glass; compound fertilizer and foliar spray fertilizer for crop and flower; fireworks to produce purple flame and black powder in mine, ignition wire and firecracker; drugs as penicillian potassium salt in medicine industry and catalyzer; ceramic and enamel; salt bath of heat treatment, cigarette paper, concentrating agent; conservatives in salted meat and chromogen in Food industry, etc.