Quick Detail
Place of Origin
HS-CODE
40-
Package & Delivery Lead Time
Detailed Description
rade Name:VA-5
Arkema Vultac 5 equivalent
CAS NO.:68555-98-9
Synonyms:poly-tert-amylphenol disulfide polymer (75%) and silica gel (25%);tert-amylphenol disulfide (75%) and silica gel (25%);Alkylphenol disulfide polymer sulfur donor
Product specification:
Item
Specification
Appearance
Beige free flowing powder
Passing through 50mesh,%
98
Passing through 20mesh,%
99
Sulfur content, %
20.0-22.0
Water content,%
≤2.0
Properties and Usage:
Uses: Sulfur donor for natural and synthetic rubbers.VA-5 produces a high percentage of mono-sulfidic crosslinks that results in vulcanizates with superior aging characteristics. VA-5 can be used as either complete or partial replacements for sulfur and thiuram and DTDM sulfur donors in EV and semi-EV type cure systems. In tires VA-5 are used in the innerliner, chafer, bead apex, sidewalls, and tread. Industrial applications include noise damping blocks, motor mounts, dock fenders, elastic threads, automobile engine hoses, gaskets, belts, and other industrial rubber products that require good heat resistance.The VA-5 also aid in rubber processing. VA-5 polychloroprene vulcanizates have improved flex life.
Polymers: Natural rubber and synthetic elastomers. Especially good in curing rubber that contains chlorine such as chlorobutyl and polychloroprene.
Synergism: Can be used with most typical rubber accelerators and sulfur.When used as a partial replacement for sulfur,VA-5 tend to improve dispersion of other additives in the rubber.
Crosslink Type: VA-5 promotes mono-sulfidic crosslinks resulting in vulcanizates with excellent heat and aging resistance.
Non-nitrosamine: VA-5 does not produce nitrosamines like many of the other sulfur donors such as DTDM and the thiurams.
Packing:
25kgs/kraft bag;
25kgs/paper drum;
Or as customer's request
Storage and Shelf Life:
It should be stored in dry & cool environment(temperature better lower than 30℃) in closed original containers.
Shelf life:24 months from the date of manufacture if stored as indicated above.
0 likes
Click enlarge Image
