How Glass Bottles Are Made (Factory Process) | From Silica Sand to Finished Bottles

Step inside a modern glass plant and watch how glass bottles are made from raw materials to finished, pallet-ready cases. This factory process video follows the complete production workflow—from silica sand and recycled glass (cullet) to high-temperature melting, gob cutting, parison forming, and blow molding, then through annealing (lehr cooling), automated inspection, and final case packing and shipping.

In this full manufacturing process, you’ll see:

Batching & mixing: silica sand, soda ash, limestone, and cullet measured and blended

Furnace melting & refining: raw batch melts into molten glass and is conditioned in the forehearth

Gob forming: precision shears cut glowing glass gobs for consistent bottle weight

Forming (IS machine): parison/preform creation, transfer, and blow molding into final bottle shape

Annealing lehr: controlled cooling to remove internal stress and strengthen the glass

Quality control: camera inspection for cracks, bubbles, and dimensional accuracy, plus reject handling

Packaging & logistics: bottles packed into partitioned cases, palletized, secured, and loaded for shipment

If you enjoy How It’s Made, factory process documentaries, and industrial manufacturing videos, this is a satisfying behind-the-scenes look at high-speed glass bottle production—focused on realistic machine motion and factory ambience with no narration.

👍 Subscribe for more full-length manufacturing process videos (glass, metal, paper, and modern factory automation).
#HowItsMade #GlassBottles #GlassBottleFactory #GlassManufacturing #FactoryProcess #ManufacturingProcess #IndustrialProduction #MoltenGlass #GlassFurnace #BlowMolding #ISMachine #AnnealingLehr #QualityControl #PackagingLine #FactoryTour