ASTM D644-99 pdf free

04-10-2021 comment

ASTM D644-99 pdf free.Standard Test Method for Moisture Content of Paper and Paperboard by Oven Drying.
Transfer the test specimen to the tared weighing container as soon as the specimen is withdrawn from the sample ofmaterial under test, and close the container immediately.ureatcare must be taken to avoid change in molsture content tuinerthe transfer of the specimen from the samplerto unbbeonoloves.Handle the specimen with tweezers or clean, dry rubber gloves.If a delay of over a second or two in transferring the specimen
to the container is unavoidable, keep the specimen covered onboth sides with several adjacent layers of the paper or boardfrom which it is withdrawn,until it can be placed in thecontainer. Then discard the protecting layers of paper or board.Unless the specimen is later to be spread out in the oven, avoid
filling the container tightly. Weigh the closed container holdingbthe test specimen, to allow calculation of the original weight ofthe specimen.The weighing container should not be touched with the fingers during these manipulations.
Remove large specimens from the container. If thecontainer has a removable basket,leave the specimen in the basket,and place the basket and open container in the oven.Ifthe container does not have a removable basket,spread thespecimen in a basket or tray that will permit free circulation of air around the specimen, and place the basket or tray and theopen container in the oven. Heat for 2 h at 105± 3°C.Replacethe specimen in its container and close the container,doingthis, if possible, without removing the specimen from the oven.
Place the closed container in the desiccator, and allow it to coolfor 1 h. Loosen the top of the container momentarily to equalize the pressure,and then weigh the container to allowcalculation of the oven-dry weight of the specimen.
Place small specimens in the drying oven withoutremoving them from the weighing bottle, remove the stopperof the bottle, heat for 1 h at 105 3°C, close the bottle in the oven,cool to room temperature in the desiccator, and weigh.Remove the stopper momentarily just before weighing toequalize the pressure.ASTM D644 pdf download.

Download infomation Go to download
Note: Can you help me share this website on your Facebook or others? Many thanks!
AS ISO ASTM 52904:2021 pdf free Free AS Standards

AS ISO ASTM 52904:2021 pdf free

AS ISO ASTM 52904:2021 pdf free.Additive manufacturing - Process characteristics and performance - Practice for metal powder bed fusion process to meet critical applications. 5 Feedstock and Powder Batches 5.1 The material supplier shall package the powder...
Get More
AS ISO/ASTM 52901:2021 pdf free Free AS Standards

AS ISO/ASTM 52901:2021 pdf free

AS ISO ASTM 52901:2021 pdf free.Additive manufacturing - General principles - Requirements for purchased AM parts. 4.3.3 Tolerances The tolerances shall be specified (e.g. general tolerances, see ISO 2768-1 and ISO 2768-2, and/or specific, ISO 1101), including...
Get More
AS 2455.2:2019 pdf free download Free ASTM Standards

AS 2455.2:2019 pdf free download

AS 2455.2:2019 pdf free download.Textile floor coverings - Installation practice Part 2: Carpet tiles. 4 Pre-laying requirements 4.1 General Pre-laying requirements shall be in accordance with AS 2455.1. Prior to commencement, it should be ascertained that carpet...
Get More


Anonymous netizen Fill in information