dear friend,

it is my honor to you from firstbtob .

we are manufacturer of raw chemicals ,including inorganic chemicals ,organic chemicals ,iron oxides ,pigments. they can be used for rubber , leather, paint, detergent, dye, water treatment ,tire or other places.

for your reference ,our main products as follows:

1)titanium dioxide

items rutile titanium dioxide
tio2 content%= 94
tint reducing power european unit = 180
whiteness % = 97.0
dispersibility µm = 12
oil absorptiong/100g = 20
105 moisture % = 0.75
specific resistance o.cm = 9000
solution in water % = 0.3
residue(45µm) = 0.01
ph value 6.5-8.0

packing: 25kgs net bag, 22mts in the 20’fcl

properties : white powder, insoluble in water, soluble in hot and concentrated strong acid and alkali, having the good chemical stability; it has strong achromatic power, covering power.

applications: widely used in painting, printing oil, paper making, plastic, rubber, artificial fiber, welding electric, enamel, electric appliances and construction material etc

2) iron oxide (red, brown,black)

item iron oxide
red 190 iron oxide brown 610 iron oxide black 780
fe2o3/fe3o4 % 95 92 93
105°c moisture % 1.0 1.0 1.0
water soluble salts % 0.3 0.5 0.5
residue on 45um % 0.20 0.30 0.3
ph-value 3.5-8 4-7 5-8
oil absorption 15-25 20-30 12-25
tinting strength % 95-105 95-105 95-105
density approx / cm3 5.0-5.1 4.8 4.5-5.0

properties: colored powder. its quality is stable with fine decentralization, strong tinting strength.
package: 25kg pp bag
usage: construction, coating & paint, ink, rubber, plastic, etc.

3) carbon black


name
parameter carbon black
n220
loding absorption number (g/kg) 114-128
absorption value of dbp (10-5m3/kg) 109-119
absorption value of compressing sample dbp (10-5m3/kg) 95-105
adsorptive specific surface area of catb ( 103m2/kg) 106-116
adsorptive specific surface area of nitrogen (103m2/kg) 114-124
tinting strength % 110-120
heating loss 2.5%max
ash content 0.5%max
tensile strength -0.5mpa min
300% extending stress -1.5±1.0 mpa
45µm sieve residue 0.10%max

packing: 25 kgs in net bag, 16 mts in the 20’fcl
uses: rubber industry, such as tyres, cable, tape, also used in ink industry etc.

welcome to visit our web: rhwlchem

thank you for your attention .if you need any product ,pls us earlier.

sincerely yours,

dara
marketing director
tianjin ruihaiweilin chem co.,ltd