| abstract |
The invention discloses a kind of small primer of resistance to oiled boots of fitting method that can prevent incipient scorch, calculate in parts by weight, including butadiene-styrene rubber 90, nitrile rubber 10, neoprene 1.5, sulphur 0.4 0.5, captax 0.1 0.2, zinc oxide 5, magnesia 4, stearic acid 1.5, antioxidant D 1.5 2.5, calcium carbonate 20 40, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, semi-reinforcing hydrocarbon black 10, antiscorching agent YG 1 0.2 0.4, antiscorching agent PVI 0.1 0.5.With the small primer of formula production, its oil resistance is preferable, and cost is relatively low, adapts to contact the operating environment of oils, and suitable for the protection of oil operations, and process is not susceptible to incipient scorch phenomenon, can greatly improve the security of sizing material processing. |