Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Whats a similarity test?

similarity Test
0
Posted

Whats a similarity test?

0

A similarity test is a simplified test that applies to a new product under certain circumstances. For instance, a new generation of upholstery fabrics does not have to undergo extensive seat burn testing if no major changes in composition and weave are involved. In such a case, a simple bunsen burner test of the new material is sufficient for recertification provided it is better than or equal to the old one in terms of burn length. This is what the FAA says: Similar dress covering (from FAA Advisory Circular25.853-1, “Flammability or Aircraft Seat Cushions,” Sections5d[1] and [2]) refers to dress covering materials having the same material composition, weave style, and weight. Material blends can be considered similar when the constituent materials fractions are the same, ¬±6 percent, as the tested material. Examples of different weave styles include plain, jacquard, or velvet. With regard to weight, lighter fabrics are generally more critical than heavier fabrics. Due to the severe s

Related Questions

Thanksgiving questions

*Sadly, we had to bring back ads too. Hopefully more targeted.