Juma Gem

Juma^® Gem, a new high-quality material, specially developed for inlay work. Its very fine structure allows even the smallest inlays. Juma Gem is non-translucent, ensuring intense color retention even in dark settings. Available in eight different color variants. The new variety of colors gives your creativity limitless possibilities.

Juma^® is a premium, modern processing material for the production of components and art objects. Juma^® consists of a blend of various mineral base materials, embedded in a resin component.

Key features of Juma^® are:

• Excellent machinability for drilling, milling, grinding, and polishing.
• Low risk of breakage due to high modulus of elasticity and homogeneous structure.
• Premium surface quality thanks to high surface hardness and low abrasion loss.
• Resistant to all common substances such as cleaning agents, oils, greases, weak to medium acids and alkalis.
• Very low water absorption (hydrolysis stable).
• Thermal forming in boiling water is possible.
• Can be polished and lacquered to achieve glossy or matte surfaces.
• Pleasant feel due to good thermal properties.

Applications of Juma^® include:

• Knife making as handle scale (knife handle block)
• Turning material, e.g. as pen blank for pen making
• Jewelry making and jewelry design
• Restoration of furniture, art, and cultural assets with ivory inlays
• Billiard cue making, e.g. as ferrule and for inlays
• Musical instrument making as decorative rings, mouthpiece, piano key, guitar bridge, and more
• Decorative rings and mouthpieces for tobacco pipes
• Eyewear manufacturing
• etc...