1, phenomenon

The hardness of (1) double-sided adhesive tape with low foaming interval is not suitable.

(2) The thickness of double-sided adhesive tape with low foaming interval does not meet the design requirements.

(3) The double-sided adhesive tape with low foaming interval is unreliable.

2. Cause analysis

(l) The model selection of double-sided adhesive tape with low foaming interval is improper.

(2) Improper selection of dimensions and specifications of double-sided adhesive tape with low foaming interval.

(3) The double-sided adhesive tape with low foaming interval is improperly stored or stored for too long.

3. Governance measures

(1) This tape is mainly used for wind-proof and waterproof connection between curtain walls. According to the wind load, height and size of glass curtain wall, combined with the weight of glass and profile and the thickness of glue injection, double-sided adhesive tape is selected. When the wind load of glass curtain wall is greater than 1.8KN/㎡, polyurethane (also known as polyurethane) double-sided tape with medium hardness and low foaming interval should be selected; When the wind load of glass curtain wall is less than 1.8KN/㎡, polyethylene low foaming double-sided adhesive tape should be selected.

(2) Considering that the double-sided adhesive tape will be compressed by about 10% when the glass is stuck on the metal frame, the thickness of the double-sided adhesive tape during construction should be 1. 1 times greater than that of the structural adhesive, and its width should be determined according to the width and structural requirements of the structural adhesive.

(3) Double-sided adhesive tape with low foaming interval should be stored in a clean and pollution-free environment and used during the warranty period.

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