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Loading...Mulberry Grade A1 silk tops represent the purest and finest expression of mulberry silk, recognized worldwide as the absolute benchmark in quality. Obtained from the continuous fiber of the Bombyx mori silkworm, bred exclusively on mulberry leaves, these tops are distinguished by their extraordinary uniformity, natural luster and fineness of yarn. The Grade A1 selection identifies the longest, cleanest and most regular fibers, capable of smooth processing and extremely refined results in both spinning and artistic textile techniques. The silky texture, soft but strong, offers a silky and luminous hand, ideal for high-end creations where aesthetics and technical quality meet in perfect balance. An iconic raw material designed for those seeking the ultimate expression of natural silk.
Availability and packaging
Our Mulberry silk tops are available in packs of 50, 100 g, 500 g, 1 kg per color. Each package has a natural tolerance of ±3% and contains continuous ribbon fiber. The different packages are designed for both those who need small quantities and those who need large quantities and/or want to save money. For non-ECE shipments, the packages are vacuum-packed, reducing volume and lowering shipping costs. Don’t worry: once opened, the fiber returns to its original, fluffy volume without any loss of quality.
Tops (combed ribbon) of mulberry A1 silk.
Composition: 100% mulberry A1 silk
Ribbon weight: about 17 g/m - 0.6 oz/yd
Ribbon length: about 7 m - 7.6 yd per 100 g - 3.5 oz
Mulberry silk is a natural fiber of animal origin composed mainly of fibroin, a structural protein that gives it high strength despite its fineness. In A1 grade tops, the fiber is extremely uniform, clean, and has a high average length, a characteristic that ensures smooth and even spinning. It is a fiber in continuous filament form, with excellent natural luster (silky sheen) and smooth surface, free of impurities or neps. Mechanically, it offers excellent tensile strength among the highest natural fibers, while maintaining good elasticity and controlled deformation capacity. It also exhibits strong dye-absorption capacity, allowing deep and uniform dyeing, and natural thermoregulation and breathability, typical of noble protein fibers.
Our mulberry silk tops come from China, where sericulture has been developed for thousands of years and has remained an exclusive and jealously guarded knowledge for centuries. Its production comes from the breeding of the silkworm(Bombyx mori), fed exclusively on mulberry(mulberry) leaves. This type of controlled feeding and the highly regulated rearing environment make it possible to obtain an extremely uniform, fine and durable fiber, considered the finest of traditional silks.
Today China remains the world's leading producer of Mulberry silk, followed by other Asian countries such as India and Vietnam, but the Chinese production model is still the benchmark for quality and industrial and craftsmanship standards.
The dyes used for our products meet the requirements of the OEKO-TEX standard, which guarantees the control and limitation of substances potentially harmful to human health and the environment.
Fiber dyeing is carried out in our dyehouse in Italy, in compliance with current European regulations on chemicals and environmental safety, including the REACH Regulation (EC No. 1907/2006), which governs the registration, evaluation, authorization and restriction of chemical substances.
Operating within the European Union also entails compliance with additional provisions on environmental protection and textile product safety, such as the CLP Regulation (EC No. 1272/2008), relating to the classification, labeling and packaging of substances and mixtures. This regulatory framework ensures that dyeing processes are conducted according to high standards of safety, traceability and environmental responsibility, offering a reliable product for both the end user and the environment.
Our A1 grade mulberry silk tops are perfect for needle felting.needle felting, forwater felting, for spinning, the hand weaving.
Since colors may vary depending on your monitor or device settings, we recommend purchasing our Color Card to check the shades in person before placing your final order. Want to check the quality of the material? Choose our Sample Box.
CAUTION: All of our colors generally exhibit high lightfastness and wash fastness. However, fluorescent colors (80's collection), in addition to having a lower lightfastness, may also suffer significant color loss in the presence of alkaline or particularly aggressive soaps, as well as with prolonged processing or washing. This phenomenon can occur, to varying degrees, even with dark and particularly bright colors. For materials dyed with these shades, we always recommend that a preliminary processing and washing test be carried out on a small sample before making the final design. This precaution is essential, especially when dyed materials are combined with unbleached or light-colored fibers.
Finally, to best preserve the colors, it is recommended that artifacts not be dried in direct sunlight, but in a shady place.
