Double Wall Thermo Glass Tumbler for Water Mug

Borosilicate glass has excellent thermal properties with its low coefficient of expansion and high softening point, it also offers a high level of resistance to attack from water, acids, salt solutions, organic solvents and halogens.

Product features:

1.Raw material: High borosilicate glass

2.Products are hand-blown

3.Silicon content of more than 80%

4.Annealing temperature 560 ℃

5.Softening temperature of 820 ℃

What We Do?

1.Online service

2.We can accept DIY

3.We can accept OEM service.

4.We can accept retail trade and wholesale

5.We can keep secret for customized design or customer production have patent right ,we wont sell to other clients.

Product Categories : Water ware > Double Wall Glass Cup