Free Standards Library

ISO 69:1998 pdf download - Cinematography — 16 mm motion-picture and magnetic-film — Cutting and perforating dimensions A.1 Uniformity of perforating The uniformity of pitch, hole size and margin (dimensions B or B¢, C and D, and...

ISO 62:2008 pdf download - Plastics — Determination of water absorption 1 Scope 1.1 This International Standard describes a procedure for determining the moisture absorption properties in the “through-the-thickness” direction of flat or curved-form solid plastics. This...

ISO 60-1977 pdf download - Plastics - Determination of apparent density of material that can be poured from a specified funnel. 1 SCOPE AND FIELD OF APPLICATION This International Standard specifies a method of deter- mining the...

IS0 57: 1975 pdf download - Bleached lac - Specification. A.l PRINCIPLE A.l.l The volatile matter (moisture) content of bleached lac is determined in two stages, the first stage being by drying a weighed specimen of the...

ISO 55-1977 pdf download - Seedlac - Specification. O INTRODUCTION 0.1 The usual trade descriptions of seedlac are based on the Indian names of the host trees, the season of cropping the sticklac, visual differences or a...

ISO 53:1998 pdf download - Cylindrical gears for general and heavy engineering — Standard basic rack tooth profile. Scope This International Standard specifies the characteristics of the standard basic rack tooth profile for cylindrical involute gears (external...

IS0 49:1994 pdf download - Malleable cast iron fittings threaded to IS0 7-1. 1 Scope This International Standard specifies requirements for the design and performance of malleable cast iron threaded pipe fittings These fittings are for general...

ISO 48:2010 pdf download - Rubber, vulcanized or thermoplastic — Determination of hardness (hardness between 10 IRHD and 100 IRHD). 6.3 Methods CN, CH, CL and CM The test piece shall be either a complete article or...

ISO 37:2011 pdf download - Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties. 1 Scope This International Standard describes a method for the determination of the tensile stress-strain properties of vulcanized and thermoplastic rubbers. The...