Composite fireproof glass refers to the glass formed by bonding two or more general flat glass with transparent fireproof adhesive, or spraying composite fireproof glass liquid.

The standard, thickness error, appearance quality and curvature of composite fireproof glass and single fireproof glass shall be randomly sampled according to the rules in table 5-40. Table 5.40 standard, thickness error, appearance quality, curvature sampling and judgment table batch planned sampling inspection number qualified judgment number unqualified judgment number batch planned sampling inspection number qualified judgment number unqualified judgment number 2-2.3 technical requirements for products. If products are used for inspection, they shall be randomly selected from the batch of products according to the quantity required by the inspection items; When the batch of products is more than 500 pieces, take every 500 pieces as a batch. If samples are used for inspection, samples prepared under the same materials and process conditions as the products shall be selected. Judgment rules: if the number of unqualified standards, thickness errors, appearance quality or curvature of composite fireproof glass and single fireproof glass is equal to or greater than the number of unqualified judgment in table 5-40, the batch of product standards, thickness errors, appearance quality or curvature are considered unqualified. Other functions of fireproof glass shall also conform to the rules of corresponding articles, otherwise, the function is considered unqualified. If one of the above items is unqualified, the batch of products is considered unqualified. Packaging mark: the variety, specification, fire resistance rating, quantity, receiving unit, name and address of the manufacturer and date of delivery of the packaged products in each packaging box shall be marked on each packaging box. And marked "handle with care, moisture-proof and upward". The product operation manual shall be attached when the product leaves the factory to clarify the application place, equipment requirements, main functions and other contents of the product. Packaging, transportation and storage of packaged products shall be packed in wooden cases or other packaging boxes. The glass pen shall be placed vertically in the box. Each piece of glass shall be wrapped with plastic cloth or paper. The light and soft materials that are not easy to cause glass scratches and other appearance defects shall be used between the glass and the packaging box.

The packing box shall be provided with certificate and packing list. It shall not be placed horizontally during transportation. The length shall be the same as the moving direction of the vehicle, and there shall be rainproof measures. Stored products should be stored straight in a dry room.

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