一般认为乙烯含量控制在60%左右,才能获得较好的加工性和硫化胶性能;丙烯含量较高时,对乙丙橡胶的低温性能有所改善;乙烯含量较高时,易挤出,挤出表面光滑,挤出件停放后不易变形。 乙丙橡胶的重均分子量为20万-40万,数均分子量为5万-15万,粘均分子量10万-30万。重均分子量与门尼粘度密切相关。乙丙橡胶门尼粘度...
and can be used in the range of -60 DEG C to 150 DEG C; the EPDM rubber waterproof rolling material has high tear strength and ductility, and is strong in adaptability to shrinkage or cracking of a building; the EPDM rubber waterproof rolling material is light in specific weight (0.90-0....
(ML1+4, 100 DEG C) of 60-150, an ethylene content of 60-80 wt%, and an iodine number of 5-35, wherein the difference between the iodine number of the low molecular weight copolymer rubber (a) and the iodine number of the high molecular weight copolymer rubber (b) is 5 or less ...
in synthetic rubber in comprehensive performance. The disadvantage is that oxygen and ozone resistance is poor, easy aging, metamorphism, oil and solvent resistance is not good, the first corrosion resistance of acid and base is low, heat resistance is not high. Temperature range: about 60 DEG ...
Temperature: -30 deg C to 150 deg C Package: Standard exporting packing with transparent film and poly stripe. Item code Inner Diameter Outer Diameter Tolerance Working Pressure Burst Pressure Length Measurement Weight inch mm mm mm bar psi bar psi m cbm/roll...
Dvgw Watermark Wras Ss CS Copper Brass Press Fitting Plumbing Fitting 45 Deg Elbow Pipe Fitting Stainless Steel Fitting Copper Equal Elbow US$0.80-1.00 / Piece Stainless Steel/Carbon Steel/Copper/Brass...
TUNKERS V2 50.1-A10-T12-60° 询价->张 NORGREN M/146240/M/1400 φ40mm ☎ Montabert 86269925 ELCO WSF-M100 询价->张 Turck Ni8-S18-AN6X ☎ VIBRO RPS 6UTSIVM600 BIELER+ LANG O2-25, Varied Sensor O2 CELL, 0~25VOL%, 4~20MA, 10~28VDC, For 3 SMP gas analysis, -10DEG~+50DEG ...
优势销售KLINGER德国*备件200F10/12Q27,-20to80deg,Sn.11010070 优势销售KLOEPPER-THERM德国*备件TES15-2.0/12 优势销售knf德国*备件N813.3ANE,Nr.01783934 优势销售KNF德国*备件N813.4ANE 优势销售knf德国*备件N86KTE 优势销售KNF德国*备件NF60-KTDC3/12095741751 优势销售KNF德国*备件NO35.3ANE 优势销售knight德国...
I: Photo and thermal stability of EPDM hydro peroxides, Polym. Deg. Stab., 53, 207- 215, 1996.Teissedre G., Pilichowski J. F., Chmela S., Lacoste J.: Ageing of EPDM-I: photo and thermal stability of EPDM hydroperoxides. Polymer Degradation and Stability, 53, 207-215 (1996)....
The method comprises the following steps: firstly polishing, cleaning and drying a vulcanized EPDM thermal insulation material, and cooling to 5-50 DEG C; and then uniformly coating or spraying the surface of the EPDM thermal insulation material with a surface treating agent, drying at 60-100 ...