T309 Triphenyl Thiophosphate Extreme Pressure Anti-Wear Agent

• Customization: Available
• Certification: ISO
• Environmental Protection: Yes
• Model NO.: T309
• Color: White
• Appearance: Powder
• Kind: Extreme Pressure Anti-Wear Agent
• Application: Lubricant Additives, Composite Additive, Waste Oil And Crude Oil Additives
• Transport Package: Bags
• Specification: 25kg/drums
• Trademark: Chorus
• Origin: China
• HS Code: 38112900
• Production Capacity: 50000 Tons/Year

Product Description

T309 Triphenyl Thiophosphate Extreme Pressure Anti-wear Agent 

Introduction of Triphenyl Thiophosphate
Product Name: Triphenyl Thiophosphate CAS Number: 597-82-0 
Molecular Formula: C 18 H 15 O 3 PS Molecular Weight: 342 

It is obtained by reacting with pheno and phosphorus trichlorid through sulfurization, neu- tralization, washing and crystallization. It is widely used in lubricant, esters, etc. Adding a small amount of this additive can improve its extreme pressure, anti-wear, anti-oxidation, hydrolysis safety, and anti-emulsification. 

Equivalent Products: Irgalube TPPT 

Specifications of Triphenyl Thiophosphate

Item	Quality Index	Test Method
Appearance	White or Light Yellow Powder	Visual
Content	99%	SH/T 0296
Melt Point*, ºC	51-54	GB/T 617
Phosphorus, wt%, ≥	8.9	SH/T 0269
Surfur, wt%, ≥	9.3	SH/T 0303
Copper Corrosion (100ºC, 3h)	≤1	GB/T 5096

*This is for end melt point. This test sample is 3% T309 dissolved in 500SN base oil. 

Recommended Treat Rate (wt%) of Triphenyl Thiophosphate
Freo Refrigerant: 0.3 
Oil Film Bearing Oil: 0.8 
Ashless Antiwear  Hydraulic Oil: 0.8-1.2 

Package, Handle &  Storage 
•The use temperature should not exceed 100ºC. 
•Packed in 25kgs/bag or 25, 40kgs/cardboard drum. 
•It should be stored in a well-ventilated and dry warehouse.