a. After crushing, the debris particles are small and the edges are obtuse.

b. After rupture, it is connected as a whole, and the object is impenetrable.

If any of the above is met, it belongs to "safety glass" for construction.

a. Tempered glass b. laminated glass

Description: Laminated glass, chemically tempered glass does not belong to safety glass.

a. High strength, 3-4 times that of ordinary glass.

b. Good heat resistance, the same piece of glass 200C temperature difference, will not burst.

Self-explosion - a rupture under natural conditions, without external force, under natural placement.

Conclusion: Tempered glass is a safe glass limited by application conditions

A. The broken glass is still adhered to as a whole, and the fragments will not splash and fall.

b. Whether the glass is tempered or not, laminated glass belongs to the complete sense of safety glass!

Architectural glass commonly used: EVA and PVB

A. The broken glass is still adhered to as a whole, and the fragments will not splash and fall.

b. Whether the glass is tempered or not, laminated glass belongs to the complete sense of safety glass!

a. Outdoor EVA water absorption <0.1% The laminated glass made of EVA does not need to be sealed, and can be used on the bare side to perfectly present the overall effect of the building

b. Outdoor EVA yellowing index <5(PVB:6-12) with the extension of time, not easy to yellow.

C. Outdoor EVA belongs to thermosetting type, high temperature resistance to 90°C, will not unglue delamination.

PVB is thermoplastic, high temperature resistance 60°C, long-term outdoor use easy to open glue, foaming, small safety factor.

· Check whether the vacuum pump is normal and the vacuum bag is sealed.

· Whether the airway is unimpeded and the pilot hole is blocked, the gas can be extracted from the interlayer at different temperatures by wood strips, iron chains, high temperature cloth and other good breathable items, and then exported to the furnace body through the vacuum pump.

· Temperature: The temperature of the low temperature section cannot exceed 65°C(glass surface), because the melting point of the film is 70°C, otherwise the gas will be sealed into the sandwich and cause bubbles.

· Air return: Stop the vacuum pump below 60°C, otherwise the side air return will produce bubbles.

· There is sweat, water, etc., on the surface of the glass, resulting in local adhesion failure, resulting in bubbles.

· Tempered mark: the uneven surface of tempered glass should increase the thickness of the film.

· High temperature: low temperature film, the temperature can not be too high, the holding time can be extended.

The above solutions are for reference only. For specific problems, contact technical engineers.

· If the temperature in the high temperature section is low or the holding time is short, if there is no bubble, there is only white fog, or there is cloud-like fog, it can be returned to the furnace according to the process.

The above solutions are for reference only. For specific problems, contact technical engineers.

· If the processing temperature is low or the holding time is short, it is necessary to strictly check whether the glass surface temperature and time meet the process requirements. If there is no bubble, the furnace can be returned.

· The moisture-proof powder on the surface of the original glass sheet is not clean, and it will be opened after being parked for a period of time. It is recommended to use the film washing machine, can not simply wipe with alcohol.

· Glass with paper or cloth, the fiber exposed, after grinding or facade contact with moisture, the glass absorbs moisture and the edge is unglued. It is recommended that the intermediate material should be cut smaller than the film to avoid exposure.

· Film and material insoluble: different intermediate materials should use different varieties of film.

· Some sealants react with the film to cause the opening of the glue, it is recommended that customers should be tested before choosing the sealant and then put into batch use.