We are the supplier of the insoluble sulfur.

>> Insoluble sulfur is-hs series description: insoluble sulfur is a new rubber vulcanizing agent. It forms is-series oil - treated and non oil-treated products. It is used as the best vulcanizing agent for rubber.

>> For it can overcome much ordinary sulfur's shortcomings, besides improve the quality of the rubber product. We are able to offer all types of superior insoluble sulfur, such as is-hs8010, is-hs7520, is-hs7020, is-hs6033; is60, is90 and so on. Use: best sulfur vulcanizer. No frosting and burnt rubber.

** Improves binding of rubber-rubber and rubber-steel or chemical fibre without contaminating mold. Widely used in natural and synthetic rubber in manufacturing tire, rubber tube, rubber belt, rubber shoes, rubber roller, cable, seal, latex products and light color rubber products.

** Is-hs series product technical specification subject specification is-hs-8010 is-hs-7520 is-hs-7020 is-hs-6033 appearance not flying yellow powder sulfur content % 90.0?1.0 80.0?1.0 80.0?1.0 67.0?1.0 insoluble sulfur content % min (on total s) 90.0 95.0 90.0 90.0 high temp stability 105 8451 /min (on total s) % min 75.0 80.0 75.0 80.0 oil content % 10. 0?1.0 20.0?1.0 20.0?1.0 33.0?1.0 acid content (as h 2 so 4 65289 % max 0.05 heating lose 65288 80 8451 65289 % max 0.5 ash % max 0.15 fineness fineness 150um(100) mesh through, % min 99.8 99.8 99.8 99.8 fineness 90um(170) mesh through, % min 99.8.