OH Polymer hydroxyl terminated dimethylpolysiloxane for sealant

Molecular Formula: HO[(CH₃)₂SiO]nH

CAS No: 70131-67-8

Standard: GB/T 27570-2011

At room temperature, it can react with crosslinking agents in the presence of catalysts, to form a reaction product, which has many excellent properties such as keeping good elasticity from -60℃ to 200℃, excellent electrical property chemical stability and good resistance to water, odor, weather. Therefore, it can be widely used in many industries, such as electronics, semiconductors, autos, mechanicals, fabric, plastic, printing, construction, etc.

Product Name	Room Temperature Vulcanised Silicone Rubber (Methyl RTV 107 / OH Polymer)
CAS	70131-67-8
Synonyms	Silanol terminated polydimethylsiloxane; Polysiloxanes di-Mehydroxy-terminated
Appearance	Colourless Transparent Sticky Liquid
Density (g/m³) (25°C)	0.96-0.98
Refraction (25°C)	1.401
Viscosity (25°C/mpa.s)	750/850/1000/1500/2000/5000/10000/20000/50000/100000
Package	190kg/drum; 980kg/IBC; ISO Tank
Storage	storage at ventilating and dry place and prevention from water, heat and fire
Shelf Life	24 Months

Package:

- 190kg/drum

- 980kg/IBC

- ISO Tank

Cautions:

- Storage at ventilating and dry place and prevention from water, heat and fire.

- Keep away from alkalis and acid substances and lead.

- It is a non-hazardous substance.

- Be careful when loading and unloading to avoid damages to the package.

- During storage and transportation, pls always keep out of the sunlight.

1. It has a wide range of viscosity, how can I choose the most suitable one?

Low viscosity silanol fluids are employed as filler treatments and structure control additives in silicone rubber compounding. Intermediate viscosity, 1000-10,000 cSt. fluids can be applied to textiles as durable fabric softeners. High viscosity silanol terminated fluids form the matrix component in tackifiers and pressure-sensitive adhesives.

2. What about the lead time?

Our lead time is short, ≤15 tons about 5 days, ≥16 tons about 8 days.

3. What's the advantage of your company?

- Our plant covers 88,000 square meters.

- 29 Years of adhesives material production experience.

- Quality first, strong R&D department and independent QC team.

Item No	107-075	107-085	107-11	107-115	107-12	107-15	107-1	107-2	107-5	107-8
Appearance	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid	Colorless Transparent Sticky Liquid
Volatile Compounds (%,150°C, 3h) GB/T27570-2011 Appendix A	≤1	≤1	≤1	≤1	≤1	≤1	≤1	≤1	≤1	≤1
Viscosity (25°C, mPa.s) GB/T10247-2008	750±75	850±85	1000±100	1500±150	2000±200	5000±500	10000±1000	20000±2000	50000±4000	80000±6000
Turbidity NTU GB/T5750.4-20062.1	≤3	≤3	≤3	≤3	≤3	≤3	≤3	≤3	≤3	≤3
Vulcanising Time in Surface (h) GB/T27570-2011 Appendix B	≤1	≤1	≤1	≤1	≤1	≤1	≤1	≤1	≤1	≤1

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