The ASTM D635 standard does not have a direct equivalent to a specific number of words. ASTM standards are technical documents that provide guidelines and specifications for various testing methods and procedures related to materials and products.

ASTM D635 specifically refers to the standard test method for rate of burning and/or extent and time of burning of self-supporting plastics in a horizontal position. It outlines the procedure for evaluating the flammability characteristics of plastic materials.

The number of words in a document or text is unrelated to the ASTM D635 standard. If you have a specific question or topic related to ASTM D635 or any other standard, please let me know, and I'll be happy to assist you further.