Size:External 3.93×1.97×1 in / 100×50×25 mm; Internal 3.54×1.57×0.78 in / 90×40×20 mm
Capacity:Holds up to 1kg gold / 530g silver; Volume 2.43 fl oz
Material:High-purity fine-grain graphite, 99.9% graphite content
Ash Content:Less than 0.1%
Heat Resistance:Withstands high temperatures up to 1800°C (3272°F)
Applications:Melting & casting gold, silver, copper, aluminum; jewelry making, laboratory testing, small-scale metal refining and casting
Target Users:Jewelry makers, metal smelting enthusiasts, laboratory workers, small foundries and workshop users
Key Benefits:Excellent thermal conductivity, smooth demolding, high temperature stability, no deformation or cracking, ensures metal casting purity