The character of Akagawa Hard Glass Industry Co., Ltd. has been born.

Introducing our company, which has over 40 years of experience in the manufacturing of porous glass!

last updated May 30, 2024

Let the wind through!? Porous glass <Sample provided>

Minimum lot of 1 piece! A 200nm thick SiO2 film has been deposited on one side of porous glass using vacuum deposition! Samples (for a fee) are currently available!

last updated May 27, 2025

Akagawa Hard Glass Industry Co., Ltd. 【Introduction of Equipment】

We possess a wide range of equipment, including "single furnaces," "redraw devices," and "V-type mixers."

last updated May 08, 2020

A glass factory that consistently performs raw material blending, dissolving, and molding. *Strengths of Akagawa Hard Glass*

Small lot production that machines cannot achieve! Custom manufacturing is available to respond to prototype requests.

last updated Apr 17, 2025

Voices of Glass Technology and Craftsmen: Manufacturing Process of Akagawa Hard Glass Co., Ltd.

"The glassblowers feel subtle sensations with their entire bodies rather than relying on theory." Introducing the voices of our craftsmen!

last updated Apr 17, 2025

Semi-automatic horizontal forming tube *Capable of handling a variety of small lots in dozens of kilograms!

Semi-automatic production of glass tubes using various special materials, including thick glass tubes and thin glass tubes, is possible! Stabilization of dimensions can be achieved, allowing for the production of better glass tubes!

last updated Oct 15, 2024

Glass Terminology Collection: Basic Knowledge of Glass You Can't Ask About Now

Introducing a glossary of terms related to glass, including the manufacturing process and properties of glass!

last updated Apr 17, 2025

Porous glass coated with graphene *Improved alkali resistance!

Improved alkali resistance! Porous glass coated with graphene film.

last updated Apr 17, 2025

Chemically strengthened glass *Material glass using high-strength ion exchange method

The strength of chemically strengthened glass increases several times! Material glass using high-strength ion exchange method.

last updated Apr 17, 2025

Glass block *Coloring options available upon request!

We meet diverse needs for glass! Glass blocks that can also accommodate colors.

last updated Apr 17, 2025

Porous glass (porous glass) sample *Porous glass with numerous fine pores

Porous glass that can be used as a separation filter! Information on sample products.

last updated Apr 17, 2025

Crystallized glass

Hardened and made opaque by heat treatment! Crystallized glass with enhanced chemical durability and thermal properties.

last updated Aug 09, 2016

Partially porous glass

Expanding the possibilities of porous glass!

last updated Jun 27, 2016

Gas-permeable glass "porous glass" (porous glass)

Nano-sized holes allow gases to pass through, and separation can be achieved using adsorption properties. Active in separation and catalysis!

last updated Apr 17, 2025

Akagawa Hard Glass Co., Ltd. - Main Products

We would like to introduce the main products of Akagawa Hard Glass Co., Ltd.

last updated Jun 27, 2016

Akagawa Hard Glass Industry Co., Ltd. - Key Technologies

We would like to introduce the main technologies of Akagawa Hard Glass Manufacturing Co., Ltd.

last updated Jun 27, 2016