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- 2006-7-18
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- 1970-1-1
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OMSKIY KAUTCHUK5 M) s1 n# z- i% {# A
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3 {5 l, a% J, C% ?0 [- c! iDESCRIPTION
4 `0 | f: j9 ?- cThe Butadiene-alpha-methylstyrene (styrene) rubber is produced by emulsion copolymerization of butadiene and alpha-methylstyrene (styrene) with an emulsifier being a mixture of disproportioned rosin soaps and synthetic fatty acids. The AO-6 (polyguard) is used as an antioxidant.
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APPLICATION- {0 z1 e$ m- s' |8 B$ T
SKMS-30 ARKPN (SMS-30 ARKPN) rubber finds its use in engineering rubber goods manufacture and in footwear industry. SKMS-30 ARKPN (SMS-30 ARKPN) rubber is similar to those of SBR 1502.
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SPECIFICATIONS9 f& L' z) m3 p
Mooney viscosity MB (100°C) 48 – 58% B- T; c# R$ x4 I# |# K
Viscosity lot spread ± 4
* n# _3 Y% d, z) P4 a7 L; l6 [Conditional tensile strength not less than 26.5 Mpa (270 kgs/sq.com.)) |9 ~0 K5 _1 {! T
Elongation at rupture not less than 550%- D( B+ M' y% j4 ^
Rebound Elasticity, not less than 37%5 t( C9 L# z# k7 c
Loss of the mass on drying, not more than 0.35%! W# y |% N" o% q/ R: p. z6 Y
Fraction of total mass:
2 q& _% v( k- }$ gAsh not more 0.8% R$ A# _6 Y7 Z! `( o
Cu 0.0002%+ {' k0 p* y7 q: ?2 H
Fe 0.008%
# x8 e- }6 o% k& ~/ ^: a7 m3 `! sAO-6 1.0 – 2.0%
" w4 A, Q& x( n& s# gOrganic Acids 5.0 – 7.2%
6 G& Z1 v0 u% |' y4 zOrganic acids soaps, not more than 0.30%
9 N4 k- s1 S' c( h" b( uAmount of the second bonded 3 B8 Z" ]/ Q& Z! w& [ v. O/ U$ A
Monomer-Alphamethylstyrene 22 – 25%5 a$ N7 P3 D- s+ q l1 r
Amount of the second bonded monomer-styrene 22 – 25%
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STORAGE
u% v+ T3 x/ B+ ~0 WSkms-30 ARKPN (SMS-30 ARKPN) Rubber is produced in the form of 30 kg blocks, wrapped in a ployethylene film and packed in four-layer paper bags. If required the rubber can be delivered in containers.& s% h# E7 k' p7 P* R. ]# A( L
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