Boro Batch Blackberry Jam Vac-Stack Tubing

Key Features

• Deep purple base with opalescent properties
• Rich berry tones that develop complexity when worked
• Color shifts and variations create dynamic visual interest
• Maintains vibrant saturation throughout working process

• Vacuum-stacked manufacturing ensures consistent wall thickness
• Superior optical clarity with minimal internal stress
• Reliable working properties for consistent results
• Professional-grade quality for demanding applications

• COE: 33 (Borosilicate)
• Compatibility: Works seamlessly with other 33 COE glass
• Construction: Vac-Stack tubing for optimal performance
• Color: Blackberry Jam – opalescent purple

Perfect For

• Sculptural Artists: Creates dramatic color depth in artistic pieces
• Ornament Makers: Stunning for decorative and seasonal work
• Mixed Media Projects: Pairs beautifully with complementary purples and contrasting colors
• Scientific Glassblowing: Professional quality for precision applications
• Functional Glassware: Adds elegant color to vessels and decorative pieces

Working Notes

• Heat gradually to avoid thermal shock
• Opalescent properties develop best with proper flame work
• Compatible with standard borosilicate working techniques
• Flame polish for best optical clarity and color development
• Color variations are normal and enhance the opalescent effect

Applications

• Artistic sculptures with dynamic color play
• Decorative vessels and functional ware
• Mixed color compositions
• Precision scientific apparatus
• Holiday and seasonal ornaments