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Dear All, Thanks! kenvlach! I think the tape is easier to use. However, my boss insists on the wax. I've got the masking wax from my friend. He doesn't know what it is. The wax is very sticky. Its melting point is around 60 degC. Would you please tell me which companies sell the masking wax...

Dear All, Which characterization methods can identify crosslink PE? Thanks a lot.

Dear All, I've got a plastic film which is transparent and a liitle bit rough because of the white visible granules inside the film. I suspect it to be starch and would like to know whether there are any methods to identify the granules. Would anyone help me? Thanks.

Dear All, I would like to make some pattern on a metal surface. The pattern is quite deep which needs suitable etching resist to sustain the pattern etching process. The resist can be removed by grinding or any other mechanical methods. Would anyone provide me the contact info. of the supplier...

Dear All, I am now searching for a hydraulic cutter which is used for cutting metal sample. The cutter should cut the sample without any material loss, i.e. unlike sawing. The price of this cutter is about US$6000. I've got some info from one company and would like to compare with 2 more...

Dear All, Thanks for your information. By the way, I heard from my friend that he has encountered problems using Lloyd tenisle machine. When testing the same plastic samples in a resonable specimen size, the modulus is always smaller than others. I would like to know whether there is any...

Dear All, I am going to purchase a tensile tester for a testing lab. I am quite puzzling in choosing a tester with good performance and high reliability, repeatability and accracy. Would anybody can help me by giving suggestions and comments? Thanks a lot!

Dear All, As I know that painting on plasitc is very difficult since its surface is quite inert. There are few surface treatment techniques commonly used in the industry such as corona, flame, chemical methods... However, it is quite short term and the bonding is weak. Therefore, would anyone...

Dear All, Would anyone know how to identify PC/ABS blend? I have tried to use FT-IR, but it only give me the PC spectrum. Any other methods to identify it? Furthermore, would anyone know how to obtain the ratio of PC and ABS in the PC/ABS blend? Which laboratories can do this in USA or Hong...

Dear All, I have received a soft PVC sample, which bleeds brown oil after exposure to sunlight for a day to few days. Does Anybody encounter the same problem? Would anyone can tell me why it happens? Is the brown oil the plasticizer like DOP? Thanks a lot. Regards, TTpolymer