A custom envelope offers an excellent means to coordinate the marketing efforts for the customers and clients as these envelopes comprise of company logo on the front of each envelope and draw the attention of the customers and enhance the curiosity of potential customers that clearly shows direct attention towards company’s products. These envelopes are treated with antibacterial agents to protect the material against the growth of fungus, mold, bacteria, mildew, odors, fungus, etc. These envelopes are used for keeping or sending confidential papers and to store the paper for a longer period of time to maintain the privacy of records and information. The most popular sizes of catalogue envelopes are 10″ x 13″, 9″ x 12″, 6″ x 9″. For handling the standard size of letters and A4 size papers, a 9″ x 12″ envelope is the perfect.
With the wide usage of catalog envelopes in different production verticals, manufacturers of catalog envelopes need to test the quality of the envelopes before delivering the final product in the market to the customers. The quality of these envelopes can be determined by using standardized test methods such as tearing strength tester, adhesive strength, peel or bond strength, bursting strength, edge crush strength, and many more. All these tests can be performed easily using high-quality of testing machines such as bursting strength tester, edge crush tester, water absorbency/ resistance tester, tearing strength tester and much more. Presto, a leading manufacturer of testing machines, offers high-quality of catalog envelope testing instruments.