Specially developed aerospace grades of silicone are stable from ?70 to 220 °C,[eleven] these grades can be employed in the development of gaskets for Home windows and cabin doorways. through operation, aircraft endure big temperature fluctuations in a comparatively quick time period; in the ambient temperatures when on the bottom in hot internati… Read More

???? ????? ?? ??????? ??? ??? ???? ?? ???? ???? ?????? ??? ????. ??:?? ????? ??????? ????? ???????? ???? ??/?????/???? ????? ????? ????? ????? ???? ? ????? ???? ????? ????? ? ????? ????? ????? ????? ??? ? ?????? ??????? ???? ??? ?? ?????? ??????? ???? ???? ?????? ????? ????? ????? ????? ???? ? ????? ???? ????? ????? ? ????? ????? ????? ????? ??… Read More