Reciclado de Neumáticos de Castilla y León, S.L.
Polígono Industrial Erkimia
Avenida de los Explosivos s/n E-34880 Guardo (Palencia) - Spain
 Tel: +34 97 985 33 09
 Fax: +34 97 985 22 18

Tradename: NECALFLEX

Product made of rubber SBR vulcanized granulates and powder from shredding and grinding of tyres.

High quality product free of steel and textile fibre.

Chemical Properties Description
Acetone extractables content (%) 5,00 - 22,00
Ash content (%) 7,00 - 11,00
Polymers NR/SR (%) 70/30 - 60/40
Carbon black (%) 26,00 - 38,00
Natural rubber content (%) 10,00 - 35,00
Rubber hydrocarbon content (%) 57,00 - 58,00
Sulphur (%) 1,00 -7,00
pH (25°C) 8,12-8,20
Solubility water-insoluble
Partially soluble in acetone
Physical Properties Descripction
Form Solid in the form of granules and powder
Color Black
Odour Rubber
Bulk density (gr/cm³) 0,40 - 0,50
Specific gravity 1,15 - 1,27
Humidity (%) <0,75
Combustion point(°C) 300 - 450
Tradename Grain size (mm) Classification ASTM D 5603 Classification CEDEX
Necalflex PA0006 0,0 - 0,6 Class 40 / Grade 1 P-3
Necalflex PA0008 0,0 - 0,8 Class 30 / Grade 1 P-2
Necalflex GFPA0625 0,6 - 2,5 - -
Necalflex GMA2040 2,0 - 4,0 - -
Necalflex GMA2070 2,0 - 7,0 - -
Grain sizes
Medium
Fine
Powder
Grain size

Tradename: NECALFLEX encapsulated color

The product is avaliable in different colors

Red Green