2020 Amazon Best Seller Box Packaging Glass Straws With Logo

Numerous benefits of using a glass straw:

1.Avoid toxins in plastic straws;

2.Reusable, reduce waste, and protect the earth;

3.Avoid enamel damage when drinking acidic drinks;

4. Glass straws are exquisite in workmanship, beautiful and novel, showing the quality of life;

5.When drinking milkshakes and carbonated drinks, don't worry about the straws floating up;

6.Support small craftsmen and independent designers;

7.It is bought for priceless health and environmental protection.

glass are as follows  :More than 80% silicon

Strain temperature : 520 ℃

Annealing temperature  :560 ℃

Softening temperature : 820 ℃

Refractive index  :1.47

Light transmittance (2 mm)  :92 %

Elastic Modulus  :76KNmm - 2

tensile strength  :40- 120Nmm - 2

Glass stress optical constant  :3.8 * 10-6 square millimeters / no

Processing temperature (104dpas)  :1220 ℃

Linear expansion coefficient (20-300 °C)  :3.3 * 10-6 K - 1

Density (20 °C)  :2.23gcm - 1

Specific heat : 0.9jg - 1K of - 1

Thermal conductivity  :1.2Wm - 1K- 1

Water resistance (International Organization for Standardization 719)   :Level 1

Water resistance (International Organization for Standardization 195)  : Level 1

Water resistance (International Organization for Standardization 695) : Level 2

A: For many years, we have been producing and exporting glass products in China. We have factories and partners.

A: The trademark or company name can be lasered or printed on your product or packaging.

A: Different printing patterns have different printing costs. Send us the model you want to discuss.

A:We have OEM projects, we have professional workshops to do OEM projects.