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Yantai Hengnuo Chemical Technology Co., Ltd. is one of the manufactures  in the world which is mainly produce 2, 5-dimercapto-1, 3, 4-thiadiazole derivatives ( CAS No: 51988-14-8/ CAS No: 72676-55-2 / CAS No: 13539-13-4 / CAS No: 68411-20-1/ CAS No: 107271-5), thiadiazole derivatives, lubricant antioxidant additive, metal passivator, extreme antiwear additive, CPE Gross Rubber, vulcanizing agent and vulcanization accelerator for rubber hose and etc.

Produce thiadiazole dervative include rubber ingredients, pharmaceutical intermediates and fine chemical products. Mainly produce lubricant antioxidant, anti-corrosion and antiwear. Medicament. Medical agent. Brightening agent. Vulcanizing agent cross linking agent for CPE, CR, accelerator for NR, CPE, butylbenzene rubber, natural rubber and rubber hose, copper corrosion inhibitor in circulating cool water system, it is also be used as plasticizer and photometer for acid copper plating.

THIADIAZOLE DERIVATIVES:
Rubber additive/auxiliaries:
1. TDDS efficient environmental protection cross linking agent vulcanizing agent: (the same as Echo. A. ) CAS No: 51988-14-8 efficient environmental protection vulcanizing agent, rubber auxiliary, DMTD dimercaptothiodiazole vulcanizing, CPE chlorinated polyethylene cross linking
2. Actor512A/B vulcanizing agent for special rubber(chloroprene rubber) (the same as Vanax 882A. 829 ) vulcanizing agent, extreme antiwear additive, lubricant additive, CAS No: 72676-55-2, metallic antioxidant
3. BF (NC) vulcanizing accelerant: Accelerant BF, dimercaptothiadiazole cross linking, accelerant NC, accelerant882B, CPE chlorinated polyethylene accelerant for vulcanizing
4. MTT cross linking agent for chloroprene rubber the same as MTT-80: CAS No: 1908-87-8, pharmaceutical intermediates, cross linking agent MTT, 3-methyl-2-Thiazolidinethione, mercaptothiazoline, 2-thiazolidine thion
5. ACCEL808(Vanax808 CAS No: 68411-20-1, butyraldehyde anilin-condensate, accelerant 808, dimercaptothiodiazole vulcanizing accelerant

Pharmaceutical intermediates:
1. DMTD dimercaptothiodiazole: CAS No: 1072-71-5, extrem antiwear additive, lubricant additive, rubber vulcanizing agent, rubber vulcanization agent, pharmaceutical intermediate, bismuththiol, metallic antioxidant, dimercapto thiodiazole DMTD
2. H4MT mercaptothiazoline/2-thiazolidinethion: CAS No: 96-53-7, 2-Thiazolidinethione, pharmaceutical intermediate, mercaptothiazoline
3. HOMT Thiazolidone: CAS No: 2682-49-7 fosthiazate, lythidathion, fungicide, pesticide, plant growth modifier, thiazolidone
4. TMT Acetic acid, 2-[(4, 5-dihydro-5-thioxo-1, 3, 4-thiadiazol-2-yl)thio]-: Cephems antibiotic compound, medicament intermediate

Lubricant additive:
Lubricant additiveTH561(the same as CUVAN 826) new metallic passivator and antioxidant: Metallic antioxidant, CAS No: 13539-13-4 extreme antiwear additive, lubricant additive, antioxidant

CPE, SCM(CM):
1. SCM special rubber: Special function rubber, chlorinated polyethylene elastomer, CPE rubber, CM352 rubber, rubber tube, cellophane tape, rubber belt, sellotape
2. Modified CPE rubber: Fast speed vulcanize, high density crosslinking, special function rubber, chlorinated polyethylene elastomer, CPE rubber, CM352 rubber, rubber tube, sellotape

Fine chemical:
Dimercaptothiodiazole: Lithium salt, zinc salt, sodium salt, potassium salt,
MBT-Na: Water treatment chemicals copper corrosion inhibitor
Sodium sulphide nonahydrate: Sulfur dyestuff, leather depilatory, rayon denitration, dyeing auxiliary, sodium sulphide, including crystallization water, sodium sulphide or sulfuret, dyeing auxiliary
TMPTA: UV cureable coating, printing ink, photoresist, flexible printed matter, solder mask, resist, paint, polymer modification etc.
TMPTMA: Rubber modifier, curable printing ink of UV.EB or heating, coating, adhesive.

Benzotriazole chemicals are used primarily as chemical intermediates, copper corrosion inhibitors, used in ultra-violet stabilization applications, photographic applications, and as ingredients of de-icing fluids for airplanes.

Antioxidant additive :1H-Benzotriazole (BTA) 99.8% CAS# 95-14-7
Corrosion inhibitor : 1H-Benzotriazole,sodium salt (1:1) BTA-S/BTA-NA 43% CAS# 15217-42-2
Corrosion inhibitor : MBT-Na 40% CAS# 2492-26-4
Antirust agent : Tolyltriazole (MBTA/TTA) 99.6% CAS# 29385-43-1
Polypeptide condensing agent :1-Hydroxybenzotriazole 98% CAS#2592-95-2
Antirust agent : 1H-Benzotriazole, 6(or7)-methyl-, potassium salt (1:1)
(TTA-K) 50% CAS#64665-53-8
Corrosion inhibitor and metal deactivator : DMNA 40% CAS# 55906-42-8
Antirust agent : Tolytriazole sodium salt (TTA-S / TTA-Na) 50% CAS#64665-57-2
Water treatment chemicals : TMT-NA 98% CAS# 17766-26-6