STEINBACH, vacuum bag, bagging system, vacuum bagging systems, reusable vacuum bag, glass lamination

vacuum bag, bagging system, reusable seal, durable, glass lamination

Vacuum Bags for Glass Lamination

Steinbach manufactures vacuum bags using their own high-quality silicone membrane material. Steinbach silicone is well known to retain its elasticity, hardness and temperature resilience even under the most demanding conditions.


The easy to use vacuum bags feature a robust, three stage locking design, which ensures a repeatable/leak-proof vacuum seal.  This state-of-art three-channel sealing technology eliminates costly repairs commonly experienced with zipper-type bags.


The bags come complete with a ball valve and  PTFE breather sheets for quick evacuation.


Get Made-in-Germany quality in your custom size with quick lead times.

Material Specifications


Material ........................... Silicone 50 Blue

Maximum Glass Width .... 3,320 mm (130.7")

Maximum Glass Length .. no limits

Silicone Thickness .......... 3 mm (0.12")

Thickness Tolerance ....... ± 0.4 mm (0.016”)

Material Hardness ........... 50 ± 5 Shore A

Elongation at Tear ........... 350%

Max. Temperature ........... 230°C (446° F)

Material ........................... Silicone 45 Blue

Maximum Glass Width .... 1,480 mm (58.3")

Maximum Glass Length .. no limits

Thickness ........................ 3 mm (0.12")

Thickness Tolerance ....... ± 0.4 mm (0.016”)

Material Hardness .......... 45 ± 5 Shore A

Elongation at Tear .......... 600%

Max. Temperature .......... 200°C (392° F)

Quality Management System

Steinbach is DIN EN ISO 9001:2008 certified and adheres to rigorous quality control procedures providing process and material traceability throughout the entire manufacturing process.

Features and Benefits

  • Reusable, durable, cost saving design.
  • Manufactured following strict ISO 9001 QC guidelines.
  • Bags can be opened on all four sides. The top may be removed entirely for easier loading.
  • Three stage interlocking vacuum seal, robust, long lasting - no costly zipper repairs, ever.
  • Choose between two different materials: Silicone 45 with 600% elongation and Silicone 50 with 350% elongation.
  • Bags come ready to use with one breather sheet and one vacuum valve.
  • Bags are custom made to meet your size requirements up to a maximum glass width of 130.7".
  • High temperature resilience of up to 446°F.
  • Shipping from the warehouse in North Carolina with a lead time of 1 to 2 weeks.

Information We Need For Quoting

  • Thickness of glass laminate.
  • Maximum glass dimensions.

        - OR -

  • Outside dimensions of bag.
Steinbach AG headquarters in Detmold, Germany

About Steinbach AG

Steinbach AG is a global supplier of high-quality technical rubber products for machine and forming industry companies. Their product range focuses on large-scale top-quality special membranes manufactured from silicone or natural rubber, and are suitable for a wide range of applications.


In addition to many years of experience as an industrial service provider, Steinbach is distinguished by its outstanding material know-how and customized, solution-oriented thinking. Their range of services includes individual consulting, finishing, precise manufacturing as well as on-time, reliable logistics.


Steinbach's customer portfolio includes prominent laminator, vacuum table and membrane press manufacturers, as well as companies from industries like furniture, automotive, aviation, photovoltaics, carpeting, glass manufacturing and composites. The reason for this growth is the expanding range of possible applications for their product solutions.


Where is Steinbach located? Steinbach is located in the town of Detmold, Germany, in the state of North Rhine-Westphalia. The closest city with an international airport is Hannover (HAJ). From there it is a 1.5 hour ride by car. You may never have heard about Detmold. But you may know Johannes Brahms, the famous German composer. He was once a long-time resident. Today Detmold is home to numerous well-known industrial businesses.

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