We are the largest manufacturer of caustic soda prills and caustic soda solid in the middle east learn more. caustic soda prills. caustic soda prills or caustic soda pearl (csp) a form of anhydrous sodium hydroxide preferred over flakes due to its lower dusting and safer handling properties ... we pack our caustic soda prills products in 25 kg ... Saudi industrial export company delivers high quality granular sulphur in jumbo bags and 25 kg packing from saudi arabia to asia, africa and europe with more than 27 years of experience in exports siec also handles exports of bulk sulphur from saudi arabia with With the impressive industrialization and petroleum development going on in the g.c.c. region, the demand for chemicals is set to keep growing. Alibaba offers 126 sodium borax solid products. about 27% of these are borate. a wide variety of sodium borax solid options are available to you, such as agriculture grade, industrial grade, and food grade. you can also choose from free samples. there are 44 sodium borax solid suppliers, mainly located in asia.