UralGrit – Blasting Media

Main // Products & Service // Blasting Media

Slag Blasting Media/Grit - is manufactured of the granulated slag of copper and nickel refineries, and used for blast-cleaning of metal surface. In different industries it is called different names - abrasive powder, grit, copper slag grit, mineral grit, grinding grains, etc. - but its main use is still for surface blast-cleaning. Internationally the described media is manufactured in compliance with ISO 11126-3 Preparation of Steel Substrates Before Application of Paints and Related Products.

The quality of the grit complies with the following internal Specifications:

ТU 003 Karabash Media copperslag manufactured in Russia
TU 004 Pobuzh Media nickelaslag manufactured in Pobuzhje, Ukraine

Blasting the grit at the surface is the most advanced approach for metal surface cleaning before paint spraying. The blasting media manufactured by UralGrit brings no harm to people and environment. The product meets the most rigid health and ecological standards.

Chemical Composition:

TU 001

Ural Media

(CopperSlag)

TU 002

Rezh Media

(NickelSlag)

TU 003

Karabash Media

(CopperSlag)

TU 004

Pobuzh Media

(NickelSlag)

Fe₂O₃ 2-8%

FeO 40-48%

SiO₂ 28-35%

Al₂O₃ 4-6%

MgO 2-6%

CaO 2-6%

FeO 14-20%

SiO₂ 39-44%

Al₂O₃ 9-13%

MgO 4-6%

CaO 18-22%

Ni+Co+Ca not more than 0.1%

FeO (Fe₂O₃) 40-50%

SiO₂ 25-35%

MgO less than 5%

CaO 6-10%

FeO 7,0-8,1%

SiO₂ 52,0 -54,5%

MgO 30,0-32,3%

Al₂O₃ 1,0-1,1%

Cr₂O₃ 0,9-1,1%

CaO 0,9-1,1%

NiO not more than 0.1%

Properties:

Properties	TU 001 (copperslag)	TU 002 (nickelslag)	TU 003 (copperslag)	TU 004 (nickelslag)
Shape	sharp, angular	sharp, angular	sharp, angular	sharp, angular
Color	Black	Black	Black	Black Grey
Moh Hardness	6	6-6.5	6	6-6.5
Abrasive Capacity	4.3 mg	4.6 mg	4.3 mg	4.5 mg

The size of the granules varies from 0.1 to 3.0 mm. The customers may order any size of the granules in the mentioned limits.

Фракционный состав состав гранул колеблется в пределах 0,01-2,50 мм

For more than 18 years the blast-cleaning media manufactured by UralGrit has been in use by the majority of shipbuilders and ship-repairing facilities in Russia, and the NIS. Also it is supplied to oil and gas companies, as well as steel mills. Among the largest ship-repairing facilities there should be mentioned the following clients of UralGrit - Murmansk Ship Yard, Novorossijsk Ship Yard, Kanonersk Ship Yard, Slavaynsky Ship Yard, Pervomajsky Ship Yard, DalZavod Holding.

UralGrit takes all the measures to keep the high quality of the media until it gets to the end-user. The media is shipped to customers in durable super sacks of 1 ton size with polyethylene liners, which keep the packing sealed even over a series of handling operations from one carrier to another. URALGRIT possesses several production sites and warehouses, which enables us to deliver the orders in a short period of time.

The blasting media is delivered in soft disposable 1 ton super sacks. The sacks are sealed with a polyethylene liner. Protective fiberboard plates prevent the sacks from tearing against the car edge while transportation.

Advantages of Using the Super Sacks:

The lowest cost protection of the products (compared to other methods of packaging);
Reduction of manual operations when packing and handling the products;
It is possible to store the product outside;
It is possible to transport the products in open freight cars, and reduce demurrage to a minimum;
No need to return the packaging, and reduction of package disposal costs.

Super Sack (Big Bag)

It is a polypropylene sack with two handling loops, made of 3-layer UV-stabilized polypropylene thread. Also it includes a polyethylene liner

The slag grit may be delivered in bulk by river or sea vessels, and in hopper-type railway cars.