Product overview
NRF40R is offered for rubber compounds seeking economical and resource-efficient material input. The figures shown reproduce the supplied reference COA range and mean for one tested shipment batch.
Typical applications
Tyre compoundsRubber matsMoulded componentsGeneral rubber goods
Supply and documentation
Industrial bale or slab packing, applicable product specification and current batch COA are confirmed with the offer.
Request a quotationReference COA batch values
Ash6.20–7.25% · mean 6.72%
Carbon black24.84–26.52% · mean 25.68%
Acetone extract14.52–15.66% · mean 15.16%
Volatile matter0.66–0.77% · mean 0.71%
Rubber hydrocarbon by difference50.66–52.66% · mean 51.73%
Specific gravity1.130
Mooney ML(1+4) at 100°C31.22–39.18 · mean 34.89
Tensile strength47–50 kg/cm² · mean 48.67
Elongation at break200–208% · mean 204.33%
Hardness60–61 Shore A · mean 60.33
Reference batch data only. The applicable standard specification and current shipment COA govern supply.
