Products
Raw Materials & NPKs
We provide high-quality fertilizer raw materials for manufacturing complex and blended fertilizers or for direct application.
We work with some of the world’s best manufacturers.
We have a full line of Calcium, Magnesium and Sulphur fertilizers as well as micronutrients.
We are an authorized distributor for Rio Tinto Minerals U.S. Borax Products.
Secondary & Trace Elements
From Soil Conditioners like Gypsum, Dolomite, Bentonite, Leonardite and Rock Phosphate to Amino Acids, Humates and Carbon Rich Organics, ask us how we can help optimize crop yield and promote long-term soil health.
Specialties & Soil Conditioners
Products
Nutrient Content (%)
Straight Fertilizers Granular
Urea
Ammonium Sulphate
Di-Ammonium Phosphate (DAP)
Muriate of Potash (MOP)
Sulphate of Potash (SOP)
8-3-8
15-10-15 (+Biostimulant +Chelated TE)
18-8-8
NPK Fertilizers
Granular
13-6-27
20-20-0
6-16-16 (SOP)
12-6-28 (SOP)
Calcium-Magnesium Fertilizer
Calcium Nitrate
Granubor®
Fertibor®
Secondary & Micronutrients
Granular
Solubor®
Optibor®
Micronutrients
Powder / Crystalline
K2O
Copper Sulphate
Rock Phosphate
Dolomite
NutriPlus (microbial formula)
Mg
Multi-Micro
Organic Fertilizer (C/N: 10)
Gypsum
Lime
Soil Amendments Powder
Ca
Liquid
Magnesium Sulphate (Heptahydrate)
Zinc Sulphate
Manganese Sulphate
Ferrous Sulphate
17
8
8
9
2.5
16
28
2
1.5
8
15
N
8
27
6
12
10
12
0.002
Di-Ammonium Phosphate (DAP)
0.20
0.5
1.5
46
21
Zn
8
15
12
17
3
10
27
0.15
10
18
34
1.5
8
6
16
6
21
18
17
3
22
35
1
20.5
17.5
18
13
15
0.003
OM
S
0.08
1.4
2.4
60
50
2
24
0.005
P2O5
0.30
1.4
12
0.15
0.01
0.007
0.15
0.30
35
46
B
9
3.5
0.5
12
12
18
0.0015
0.0005
1.5
20
Cu
16.3
6
0.002
14.4
16
31.8
Fe
15
15
25
1
0.0001
0.1
30
4
18
1
12
20
Magnesium Sulphate (Monohyrdate)
20
Mn
U.S. Borax Distributor
Rio Tinto Minerals (RTM) subsidiary, U.S. Borax, has a history dating back over 150 years. RTM accounts for over 30% of the world’s borate supply. They produce roughly one million tons of refined borates per year, have customers in over 100 countries, and ship to six continents.
While Boron is used in a variety of products like fiberglass, glass, ceramics, detergents, wood preservatives, flame retardants and batteries, Boron is also one of the seven essential micronutrients essential for plant growth. In fact, Boron and Zinc are the most commonly deficient micronutrients in soils in Southeast Asia.
Chewachem is proud to be an authorized distributor for RTM 20 Mule Team Borax™ refined borates for agriculture.
Click to learn more about Granubor®, Fertibor®, Solubor® and Optibor®.
U.S. Borax Mine - Boron, CA, USA
