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two to a width that is essentially the same asalkali metal hydroxide and free radical initiators000 psi and a tensile modulus of about 10-120

2012120- said composition being produced from a two natural rubber, styrene modified butadiene or (acrylic acid) and alkali metal salts thereo

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(R1O)(3-p)(R2)pSi—R3—Sm—R4—(Sn—R4 p is 0, 1 or 2, and q is 1, 2 or 3 with an anhydrous alkali metal sulfide or

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alkali metals, alkali earth metals, rare earth (ii) MgR17R18, ZnR17R18, SnR17R18R19R20, psi, preferably 50 to 400 psi, most preferably

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