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 NameRoom 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
Package190kg/drum; 980kg/IBC; ISO Tank
Storage
storage at ventilating and dry place and prevention from water, heat and fire
Shelf Life24 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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