CR4 - Forum: Chemical & Material Science

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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
05/19/2013 6:58 PM Sulfur Extraction by Anonymous Poster	05/20/2013 10:45 AM by PWSlack	5	130
05/17/2013 11:54 AM Refrigerant for Engine Power (Not Freon) for Solar Generator by 4wsilver Pathfinder Tags: Freon Generator refrigerant solar	05/21/2013 1:08 AM by 4wsilver	29	227
05/17/2013 3:41 AM Maximum RPM for Drive Belt by az native ; also posted in Mechanical Engineering Pathfinder Tags: rubber drive belt wear	05/18/2013 10:55 AM by dhayanandhan	21	308
05/06/2013 2:55 AM Looking for a Non-Hygroscopic Elastomer with Water Absorption Rate Under ISO 62 by niya2000007 Pathfinder Tags: elastomer Non hygroscopic water absorption rate	05/10/2013 1:34 AM by bioramani	4	122
05/02/2013 8:41 PM Converting Specific Gravity to Milli-Siemens Conductivity by Thundherr Pathfinder Tags: specific gravity to milliseimens	05/06/2013 3:53 PM by Thundherr	8	205
04/30/2013 8:42 AM ASME B16.5 Material Group 1.17 by Koto Toru Pathfinder Tags: material group 1.17	04/30/2013 10:00 AM by IdeaSmith	1	74
04/28/2013 11:43 PM Fabric Softener by theresejulianna	05/04/2013 12:06 PM by Ried	15	238
04/27/2013 7:26 PM Exothermic Reaction Between PLS (Copper Leach) and Sulphuric Acid by Fundacion	05/04/2013 8:51 PM by Baffled	7	90
04/27/2013 1:20 AM Underground Parking Between Two Stripes Vertical and Close to the Wall by Heidi Pathfinder Tags: Parking toward the wall in underground garage.	04/29/2013 11:27 AM by Hooker	24	329
04/26/2013 2:14 PM atmosphere salinity and aircraft fuel system by Anonymous Poster	04/26/2013 2:14 PM by Anonymous Poster	0	18
04/25/2013 11:58 PM Why Seamless Pipe for High Pressure Oxygen? by Anonymous Poster	04/29/2013 4:05 PM by GameJudge	10	309
04/25/2013 10:09 AM ASTM A351 Grade CF8M by prshjsh	04/25/2013 1:03 PM by prshjsh	2	118
04/19/2013 1:03 AM Intercooler Passivation Risks by Willem	04/24/2013 5:45 AM by Whitephone	14	155
04/18/2013 11:20 PM New Product for Emissions? by Drew K	04/22/2013 8:03 PM by Anonymous Poster	8	195
04/18/2013 7:01 AM Design Pressure for API 650 Storage Tank by bhalchandra	04/19/2013 12:08 AM by bhalchandra	2	42
04/11/2013 11:14 AM Clo2 Gas Sterilization vs Photocatalytic Air Sterilization by keyur_197	04/12/2013 3:03 AM by PWSlack	4	44
04/10/2013 10:43 PM Through Conduit Gate Valve/Standard Gate/Plug Valve by pme	04/11/2013 10:53 PM by yesyen	3	100
04/08/2013 2:45 PM Pulvimetallurgy - Basics to Start a Lab by Fundacion	04/11/2013 7:31 AM by Anonymous Poster	2	40
04/08/2013 2:44 PM Wood by ronseto	04/12/2013 4:40 PM by WJMFIRE	63	614
04/08/2013 12:10 PM Percholation of Carbon Monoxide thru Limestone by HiTekRedNek	04/08/2013 7:21 PM by vermin	3	196
04/05/2013 11:38 PM Chemical Control by Anonymous Poster	04/06/2013 9:20 AM by energyconversion	2	43
04/05/2013 1:23 PM Petcoke as Feedstock to Make Ammonia by juan J. Isdray	04/08/2013 4:47 AM by simonsd	3	113
04/04/2013 9:39 PM Pressure Reading by Anonymous Poster	04/08/2013 10:17 PM by bigg	26	114
04/04/2013 4:04 AM Waterbath Tolerances by only1yeti Pathfinder Tags: Pharmacopoeia Waterbath	04/04/2013 10:22 AM by IdeaSmith	4	32
04/03/2013 9:59 AM Platinum Group/Iron Assaying by Hugh Sutherland	04/05/2013 3:38 PM by Gene Hayes	14	112
04/02/2013 3:24 AM Rail Wheel Contact Lubrication by asitha1987	04/02/2013 3:24 AM by asitha1987	0	90
04/01/2013 12:26 AM How Abrasive is Water? by phboyd Pathfinder Tags: Abrasion abrasion resistance coatings Water water abrasion	04/03/2013 10:05 AM by PWSlack	9	111
03/31/2013 8:33 PM My Used Oil Isn't Flammable Any More So What Did I Contaminate It With? by tcmtech User-tagged by 1 user	04/02/2013 7:09 PM by tcmtech	34	622
03/31/2013 5:04 AM Clo2 Sterilizing by keyur_197	04/02/2013 6:11 AM by PWSlack	2	42
03/30/2013 4:46 AM Could Anyone Recommend a Book About Basic Engineering Design? by hu dan	03/31/2013 8:20 AM by hu dan	2	229
03/26/2013 7:11 AM Acceptable Suitable Alternative Material by sachin_rastogi_in	03/26/2013 7:16 AM by PWSlack	1	42
03/25/2013 4:51 PM Manufacture of Solar Panel, Display, Lithium Ion Battery and PCB by Anonymous Poster	03/27/2013 1:43 PM by Anonymous Poster	2	43
03/24/2013 10:45 AM Kappa, Isentropic Exponent for Real Gas, for Moist Air by Doove	03/25/2013 4:45 AM by nick name	4	86
03/23/2013 10:26 PM Relationship Bet Alkalinity with Total Dissolved Solids by Anonymous Poster	03/25/2013 12:12 PM by kevinm	4	89
03/23/2013 10:19 AM Diesel Genset Fuels by Jens	03/25/2013 1:01 PM by dhayanandhan	15	259
03/22/2013 2:00 AM Recommendations - Who Makes Custom Paper Coating? by JesseConant Pathfinder Tags: synthetic paper	03/22/2013 2:00 AM by JesseConant	0	25
03/21/2013 11:44 AM Need Help with H2S Gas from Ground by kaiyi82 Pathfinder Tags: Corrosion H2S	03/23/2013 10:40 AM by kaiyi82	11	238
03/20/2013 9:24 PM Need Small Non-Ferrous Weights by CityGirl Pathfinder Tags: non-ferrous metal	03/25/2013 7:15 PM by Gerry D	37	454
03/20/2013 4:50 PM Can Ozone Reactivate Carbon in Clothing by schultzie	03/21/2013 7:49 AM by schultzie	2	130
03/19/2013 12:53 PM Surfactants by STOLISMA	03/21/2013 12:06 PM by STOLISMA	7	139
03/16/2013 4:11 AM Ventilation for Sewage Lift Station by wahajmech	03/20/2013 1:33 AM by pnaban	9	169
03/15/2013 11:13 AM Want to Know Coal Briquette Binder in India by Jugal Dave	03/16/2013 2:27 PM by Anonymous Poster	4	181
03/14/2013 4:01 AM Socket Weld VS Butt Weld (Joining or Fittings) by wahajmech Pathfinder Tags: SOcket Weld VS But weld (joining or fittings)	03/19/2013 3:11 AM by AbdulWasay	6	306
03/13/2013 10:27 AM Osmolality Testing of Liquids by only1yeti Pathfinder Tags: Osmolality testing	03/14/2013 8:49 AM by James Stewart	2	72
03/07/2013 8:32 PM What is the Trend of Global Abrasive Business? by nancylost Pathfinder Tags: abrasive business global trade platform portal	03/11/2013 6:32 AM by PWSlack	16	155
03/07/2013 5:10 PM Radiation Resistance of New Polymers and Blends by wiremanager Pathfinder Tags: radiation polymer plasticizer	03/10/2013 3:04 AM by truth is not a compromise	12	114
03/07/2013 1:10 PM Conditioning a Graphite Crucible. Urgent!! by Del the cat	03/12/2013 2:09 PM by Del the cat	29	394
03/05/2013 1:59 PM Active Filter by merc600sec Pathfinder Tags: 60nm	03/11/2013 4:35 PM by Just an Engineer	6	108
03/03/2013 9:23 PM Film Breaking in Packaging...Anyone Else? by JesseConant Pathfinder Tags: film packaging synthetic paper	03/07/2013 9:40 PM by JesseConant	5	50
03/02/2013 8:59 AM Sheetmetal Mike by RICHARDMICHAEL Pathfinder Tags: concrete	03/03/2013 9:56 AM by not so smart	5	75
03/01/2013 1:11 AM Reaction Between Copper and Nitric acid by Shiraz	03/30/2013 10:04 AM by Codemaster	7	267
02/28/2013 6:13 PM Grading Frac Sand by Juker Pathfinder Tags: Frac Sand	03/04/2013 11:54 AM by Juker	7	82
02/25/2013 3:48 AM Design Vacuum Pressure by bhalchandra	03/05/2013 10:41 AM by nightcrawler	6	78
02/23/2013 12:52 PM POLY Sheeting by netmaker	03/04/2013 7:44 PM by netmaker	33	105
02/22/2013 9:58 AM Joining of Rubber Sheets End by faranak Pathfinder Tags: rubeer sheet joining	02/24/2013 8:41 PM by jgjengr	12	189
02/19/2013 1:37 AM Tyre Recycling Machine Suppliers by cutepriya	02/19/2013 3:52 AM by lyn	1	44
02/15/2013 8:00 PM Asbestos is Not Uncommon in the US. by K_Fry	02/21/2013 6:50 PM by ronseto	40	411
02/15/2013 5:07 PM Engine Oil, Antifreeze, Recycling Portable Machine by sftqSerge F. Tessier	02/27/2013 2:08 PM by poster child	20	409
02/11/2013 11:54 PM In a Dilemma - Cadmium Plating Alternatives? by Byron Jay User-tagged by 1 user	02/15/2013 12:45 PM by James Stewart	17	325
02/09/2013 1:30 PM Material Engineering in Food Industry by diagon123	02/10/2013 3:27 PM by phoenix911	9	208
02/09/2013 5:08 AM Ethyltriphenyl Phosphonium Bromide Industrial Application by suzidemello	03/28/2013 5:08 AM by suzidemello	2	48
02/08/2013 3:58 PM Barrier Coatings/In Mold Coatings by australia User-tagged by 1 user	02/10/2013 1:02 AM by australia	7	109
02/08/2013 2:03 PM Time to Reach Steady State in a Tubular System by alannoland	02/13/2013 8:05 AM by suzidemello	4	60
02/04/2013 6:43 PM Weight of Polyethylene Block by netmaker	02/14/2013 2:39 PM by netmaker	18	70
02/04/2013 12:08 PM RO Membranes Cleaning by thangadurai	02/05/2013 11:51 AM by ajwinemaker	8	156
02/01/2013 3:12 PM Beginning of a Graphene Revolution? by SolarEagle Pathfinder Tags: graphene oled	02/04/2013 3:00 PM by James Stewart	19	321
01/31/2013 11:18 PM Solubility of Carbon in Chromium and Nickel by Anonymous Poster	02/08/2013 5:48 PM by Doorman	5	53
01/31/2013 12:47 AM To Convert 1.5 Million K Cal to Litres by fillet_76	01/31/2013 9:33 AM by JNB	9	77
01/29/2013 12:25 PM Odd (Electrolosis) Marks on Bearing and Shaft by Drew K	01/31/2013 4:45 PM by James Stewart	25	203
01/29/2013 8:01 AM What is the Name for a Typical Acetylene Production Device? by hu dan	01/30/2013 10:55 AM by James Stewart	5	151
01/29/2013 12:32 AM Ships Cargo and Water Ballast Tanks by elvis a hepburn	01/29/2013 10:27 AM by JNB	6	155
01/27/2013 2:21 PM Sodium Hypochlorite Properties by Codemaster	02/02/2013 10:57 AM by James Stewart	18	238
01/25/2013 12:35 PM Aluminum Sheet in Place of 3/4" Plywood? by Wwwheaty	01/29/2013 10:18 AM by Janissaries	18	311
01/24/2013 12:34 PM 3D Printing Materials by Mizuti	01/26/2013 11:13 PM by Lehman57	20	248
01/24/2013 5:47 AM Substitute for Molybdenumdisulphide by ropo	01/25/2013 2:52 AM by ropo	8	63
01/24/2013 5:36 AM Piston Material by nick bourne Pathfinder Tags: material identification	01/24/2013 6:19 AM by Anonymous Poster	1	47
01/24/2013 3:24 AM Search for Binder by ropo	01/25/2013 2:58 AM by ropo	2	35
01/20/2013 8:58 AM Care To Be Taken After Pickling of a HR Steel Coil? by sidhu16	01/31/2013 6:32 AM by ben11c	6	41
01/20/2013 8:48 AM Hot Rolled Steel Coil Pickling Standards by sidhu16	01/20/2013 11:52 AM by JPool	5	61
01/20/2013 6:11 AM Polymerization by ahmed.abdelgawad	01/23/2013 3:43 PM by lyn	3	51
01/19/2013 2:12 AM Use of Iron Powder (Size -1 mm) by anishsigtia Pathfinder Tags: Iron Powder	01/24/2013 2:04 PM by artsmith	7	74
01/18/2013 5:21 PM Freezing Point of Water by ronseto	01/24/2013 3:33 PM by James Stewart	56	781
01/17/2013 2:39 AM Any Difference Between Annual Average Temperature and Yearly Average Temperature by hu dan	01/24/2013 8:28 PM by dkwarner	5	65
01/13/2013 9:13 PM Shot Peening Quality Inspection on Tool and Spring Steel by bichampsaw Pathfinder Tags: HSS shot peening spring steel	01/16/2013 8:15 PM by bichampsaw	2	48
01/11/2013 10:25 PM R22a; Why is it Bad? by TripppleP Pathfinder Tags: R22A	01/13/2013 4:09 PM by Tornado	13	218
01/09/2013 8:27 PM Toy Repair by Normbourne	01/10/2013 2:32 PM by lyn	8	231
01/09/2013 12:59 PM Corrosion Protection For Oil Tank Of A Hydraulic System by Giovannyespm	01/11/2013 8:27 AM by nick name	6	197
01/08/2013 12:37 AM Solid Surface Resin Countertops: Add Bauxite Versus Marble Powder? by zmfmd	01/09/2013 4:52 AM by jhhassociates	3	239
01/06/2013 3:54 AM Effect of Cloride on HR Steel Coil in Pickling Process by sidhu16	01/07/2013 2:10 PM by agua_doc	4	191
01/05/2013 12:38 AM Heisler Charts Caculator by Govind Rao	01/06/2013 10:45 PM by Govind Rao	4	211
01/04/2013 4:35 AM Super Light Graphite by electronick	01/07/2013 2:19 PM by James Stewart	23	453
01/04/2013 4:29 AM ID vs OD of Pipe-Power by pme	04/10/2013 11:02 PM by pme	14	116
01/04/2013 4:27 AM Through Conduit Gate Valve by pme	01/05/2013 1:59 AM by lyn	3	39
01/03/2013 4:04 PM Adhesives by gerryking Pathfinder Tags: glue	01/09/2013 9:23 AM by welderman	32	351
01/03/2013 1:33 AM Coated Calcium Carbonate by Aftab Rajwani	01/04/2013 6:23 PM by Silverthorn	5	78
01/02/2013 6:53 PM Recycle Alum Sludge by nobii Pathfinder Tags: alum sludge coagulant recovery recycle	01/09/2013 7:21 AM by dealer88	3	43
12/29/2012 5:50 AM Calculation of Rp and Icorr Based on Cycle Usage by Sergey Volkov Pathfinder Tags: Corrosion corrosion rate polarization resistance	01/02/2013 3:35 AM by PWSlack	8	86
12/26/2012 11:06 AM Water Boots for Steam Lines by hu dan	01/09/2013 7:20 AM by dealer88	10	65
12/21/2012 4:24 AM PCB Sterilization by teone	01/09/2013 7:18 AM by dealer88	13	148
12/20/2012 3:57 PM Alternative To Mineral Oil by NSS User-tagged by 1 user	01/01/2013 12:44 PM by NSS	22	213
12/19/2012 8:31 AM PCH Very High Moist Environment by teone	12/20/2012 8:03 AM by lyn	16	104

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