Inner tube  : oil resistant synthetic rubber, resistant to mineral oils, vegetable and rapeseed oils, glycol andpolyglicol based oils, synthetic ester based oils, oils in aqueous emulsion, water. 

Reinforcement  : 4 high tensile steel spirals for i.d. 1/4” t/m 1" and 6 high tensile steel spirals from i.d. 1.1/4” with extremely flexebility.

Cover  : oil, abrasion, ozon and weather resistant synthetic rubber 

Working temperature  : -40°C / +100°C,  (with peak of +125°C)

Norm: ISO 18752, MSHA approved