Mulberry Silk Throwster – Bombyx Cultivated Silk Skeins – Premium Dyeable Silk Fiber

Our Mulberry Silk Throwster is made from premium cultivated silk (also known as Bombyx silk), widely recognized as the finest and most lustrous silk in the world. These skeined silk strands are collected during the processing of mulberry silk when long fibers catch during production and do not form uniform sliver or yarn.

The result? Incredibly soft, ultra-lustrous, long silk strands with natural crimp and subtle tonal variation, primarily creamy white with occasional cream highlights.

This is clean, high-quality silk fiber ready to use or dye.

What Is Throwster Silk?

Throwster silk consists of long, strong strands of mulberry silk arranged side-by-side and loosely skeined. Unlike silk top, this fiber:

• Contains long continuous strands

• May have slight curl or crimp in areas

• Is not processed into uniform sliver

• Maintains exceptional sheen and strength

It is sometimes called Bombyx silk or cultivated silk and comes from domesticated silkworms (Bombyx mori).

Fiber Characteristics

• Fiber Type: Mulberry Silk (Bombyx mori)

• Grade: Premium cultivated silk

• Color: Creamy white to soft cream

• Texture: Extremely soft with high luster

• Strand Length: Mostly very long, continuous fibers

• Preparation: Clean and ready to dye

• Structure: Side-by-side strands formed into skeins

Because this silk has not been heavily processed into top, it offers unique texture and visual interest.

Best Uses for Silk Throwster

This fiber is incredibly versatile across fiber arts:

Spinning

• Spin alone for fine silk yarn

• Blend with wool, alpaca, or plant fibers for strength and shine

• Add small percentages (2–10%) to dramatically increase luster

Felting & Soft Sculpture

• Creates incredibly realistic hair and beards

• Adds highlight and sheen to nuno felt

• Enhances texture in art dolls and felted figures

Paper Making

• Adds shimmer and strength to handmade paper

Weaving & Surface Design

• Lay in as textured accents

• Use as decorative weft

• Incorporate into art yarn

Why This Is Premium Quality

• Features exceptionally long strands

• Has superior luster

• Is clean and ready to dye

• Maintains softness without brittleness

• Offers minimal debris or broken fibers

Dyeing Information

Mulberry silk readily accepts acid dyes and natural dyes.

Because it is creamy white, it provides:

• Bright, saturated color results

• Even dye absorption

• Minimal undertone interference

FAQs

What is mulberry throwster silk used for?

Mulberry throwster silk is used for spinning, blending, felting, doll hair, art yarn, handmade paper, and decorative textile work.

Is throwster silk good for spinning?

Yes. It can be spun alone into fine silk yarn or blended with wool and other fibers to add strength and shine.

Can I dye this silk?

Yes. It is clean and ready to dye using acid dyes or many natural dye methods.

Is throwster silk soft?

Yes. Mulberry silk is the softest and most lustrous silk available. This throwster silk maintains that high-grade softness.

What color is it naturally?

It is primarily creamy white with subtle cream variations.