The materials tag has no wiki summary.
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51 views
Consumer Report for Lab Equipment
I'm just wondering if anybody here knows of a Consumer-Report-like publication for lab equipment. Something that would give the specifics, as, for example, the flow rate of a distilling condenser, ...
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1answer
83 views
What is the maximum pressure that JB Weld can withstand?
JB Weld, a brand name of steel-reinforced epoxy, makes claims of being the "world's strongest bond".
What is the maximum pressure it can withstand, and what is it about the interaction between the ...
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1answer
35 views
Can high-tin bronze be made sharper than low-tin bronze?
I am not sure how sharpness is measured, but I do know that certain materials can be designated sharper than others, for example obsidian is said to be the sharpest material:
The prismatic glass ...
2
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1answer
99 views
Easily removable material that sticks to skin
I am looking for some kind of material that can be used to easily latch something to someone's finger. This is for a first year engineering project. The idea is to use this material to latch small ...
5
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1answer
113 views
Is there a point at which Ethanol (E10) fuel becomes harmful to gas tanks or engines if not used?
This is not the typical chemistry question on this website, but I think it's an important practical question.
When I got a gas string trimmer, the woman who worked at the gardening shop told me that ...
4
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1answer
51 views
What barriers prevent plastic from becoming a fiber optic, data transmission medium?
This is a question that has bothered me for a while. In the past many years, no company has been able to develop a material that can transmit light nearly as well as fiber optic glass, or at least ...
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0answers
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Can flexible plastics have reflective coating (vacuum metalized)?
Is it possible to achieve an optical mirror coating to a flexible plastic part?
If vacuum metalization is possible, would the reflective coating layer be durable enough to withstand the bending of a ...
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1answer
70 views
What is the chemical composition of a Rubbermaid Roughneck container and is it feasible for me to make my own molds?
I'm looking for more information on the composition of a Rubbermaid Roughneck container. The description says "Roughneck containers are made with a durable polyethylene material for a lifetime of ...
4
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2answers
65 views
Why do shape and size have the greatest effect on the optical properties of nanoparticles?
The LSPR properties of nanoparticles depend on a number of factors, including shape, size, material, crystal structure, dielectric environment, etc. However, it has been consistently shown that shape ...
3
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1answer
47 views
Is phenolphthalein used in laminar wood construction panels?
Recently someone is claiming that the laminar wood panels used for building our new primary school contains a "carcinogenic and dangerous compound", namely phenolphthalein.
I couldn't find any ...
2
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3answers
67 views
Which materials/compounds expand in response to cold temperatures?
Which materials or compounds expand in response to cold temperatures?
This material or compound should expand at a slow (but constant rate), from about 0-20 months when in the following temperature ...
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0answers
87 views
Clear HDPE Class 6 molding plastic?
I am creating Class 6 HDPE cutting boards, with some added features to it, so that they are not only definable as my creations, but in doing so I will carve some things into the back or front of the ...
2
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1answer
49 views
Materials used in metallic glass
I've been looking over the lists of materials used together to make metallic glass.
Is it purely coincidental that if you round up/down any decimals from the atomic weight of elements used to ...
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0answers
72 views
Material which fits certain required properties
I am currently trying to make something similar to a plasma globe, except it won't be spherical; it'll be in a rather weird shape (very similar to the shape of an elongated "3"). In addition, it must ...
7
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2answers
162 views
Rock that transfers image
This is a question that has been bugging me for over 15 years!
In high school while studying elements our teacher showed us a clear white rock or element.
It was simply flat on both sides but when ...
