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Sight Glass Disc is also named round sight glass and circular gauge glass, which is made from special formular borosilicate 4.2. It is used to observe and illuminate the interior of closed pressure vessels like tanks, silos and other similar installations.

Packing

• White paper box for each piece, 50 pieces in one carton, or as customer`s requirements.

2. Wooden crates worthy for ocean and land carriage.

Shipping

1. 30% deposit and 70% before shipping, FOB Tianjin Port.

2. Sample Order and small order will ship by DHL, TNT, FEDEX, EMS and UPS. It will take 7-10 working days since payment arrived.Large order need to determine delivery dates based on production schedule.

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