Best Rated threads in ⚗ Polymers Forumshow all threads
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How to increase mfi of a filler master batch
I would like to know how to increase mfi of a filler master batch compound Base resin Lldpe
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7 years ago
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How to remove cement from plastic
Please how do I remove cement from plastic windows
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7 years ago
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inner diameter tube polyurethane coating
hello! i would like to get some advice on what type of resin should i choose. i want to make a resin coating on the inner diameter of a tube. The way the coating will be made is the following....
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9 years ago
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rubber reclaiming agent
I would like to introduce our self as the manufacturer & exporter of Rubber Reclaiming Agent, Chemical name: DI-XYLENE DI-SULPHIDE, it used as a catalyst in the process of making reclaim rubber. Any...
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16 years ago
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HDPE & LLDPE or mLDPE blend
Is possible to blend a HDPE (0.95, 1 MI 5kg) used in blown film, with LLDPE or mLDPE to reduce the density? Has anyone info about this? Regards
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16 years ago
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PROTECTIVE COATINGS Book by Clive H. Hare on Eaby!
Hi, I have just listed on ebay the text book 'PROTECTIVE COATINGS - Fundamentals of Chemistry & Composition' By Clive H Hare. The book is 514 pages and an essential read for those studying or working...
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16 years ago
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How to dissolve coloured transparent ABS Lego bricks?
I'm looking for a solution (no pun intended) to my problem and am hoping someone here can help. Unlike regular (solid colour) ABS bricks, coloured transparent ABS Lego bricks do not dissolve in either...
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17 years ago
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polymers: calculate degree of crystallinity?
polymers: calculate degree of crystallinity? in [1[2,3]] an equation for quiscent crystallisation kinetics, calculating "material derivative" or relative degree of crystallisation is given: (1*)...
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17 years ago
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Re: black paint - light absorption?
Hi all, I am, too, looking for a black paint to minimize scattered light, but the paint should NOT fluoresce when exposed to UV ~254 nm max. Also It should be vacuum compatible (~10^-7 torr). I have...
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18 years ago
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PVC extrusion speed...
I just began my new job. We have a rigid PVC product ('W' shape). The engineering quote extrusion speed is 1500ft/hr, while our actual extrusion speed is 700ft/hr. This made we lost a lot of money. We...
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18 years ago
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Kraton G-1650 to make sticky gel
Hi.. I need some advise about Kraton G-1650. I had posted about how to make sticky gel. Some advised mention to use Kraton G-1650 added up with miniral oil. I will get the sticky gel. I'm follow the...
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19 years ago
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differences between polycarbonate (lexan) and PETG
I am apprentice starting in vacuum forming and would like to know the similarities and differences in these two materials in sheet format. I a starting to work with thicknesses of 0.020" to 0.060". I...
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18 years ago
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softening nylon 6/6
I need a mopst efficient way to soften nylon 6/6 without changing any of its properties. These are small dowels with .0.018" deep grooves around them and they are supposed to lock into brass tubing...
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17 years ago
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thermoplastic polyurethane with high melt flow index
I'm looking for TP=DC with a high MVI > 80 cc/10 min (@160 =B0C/2.16 kg). If possible the polymer must also have some elongation. And must have some restance to hydrolysis
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17 years ago
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Please Help... Polishing Polyethylene
I recommend buffing compound for a finer polishing. Toothpaste is a heavy grit.
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6 years ago
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Bubbles forming during pebax reflow
Hello All, I have a catheter process creating bubbles in the catheter walls. The process is essentially pebax onto pebax reflow (fusing). There is a SS braid in between the pebax materials and FEP is...
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8 years ago
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How to cure diluted PDMS with solvent
Hi, I am doing some work with adding on a thin layer of PDMS that is diluted with a solvent (DCM, THF, 1,4-Dioxane) on a silicon wafer by spin-coating or drop coating. My problem is that I have...
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8 years ago
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PP and LDPE blend
Hi, I would like to know if I blend PP and LDPE for extrusion. What is maxium percentage of LDPE can be used? and I heard that i need to add random copolymer PP in PP and LDPE blend to help the...
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15 years ago
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Restoring Melmac dinnerware?
At our cabin in CO we have a set of Brookpark Modern Design pink and black Melmac dinnerware. I've been replacing missing pieces, but some of the replacements are quite worn - fine scratching being...
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16 years ago
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What is Melt tension(strength) in PE, PP
Hello, everyone I don't know the meaning of melt tension(strength) in polymer, especially PE, PP. I would like to know what melt tension is and why it is measured in PE, PP processing. please teach me...
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16 years ago
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