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Silyl Terminated Polymer / Silane Terminated Polymer

OSi HIOSil MS260 Silyl-Terminated Polyether

Chemical Name: OSi HIOSil MS260 Silyl-Terminated Polyether

Description

Product Description

Product Name:  OSi HIOSil MS260

Chemical Name:  Silyl-Terminated Polyether


Properties

OSi HIOSil MS260 is a Silyl-Terminated Polyether (STPE) used as a base resin for producing high performance moisture cure sealants, adhesives, and coatings. OSi HIOSil MS260 has performed successfully in various industrial applications and provides well-balanced properties such as durability, reactivity, and storage stability. This unique and highly valued balance of attributes is derived from the polyether polymer backbone coupled with the methyldimethoxysilane functional groups.

 

Typical Technical Data 

The below values are not intended for use in preparing specifications. Please confirm with us prior to writing specifications on this product.

Appearance: Light yellow liquid 

Hue (Gardner Color Number): G3 or less 

Viscosity: 4800 – 9200 cP 

Moisture: 0.1 wt% or less / 1,000ppm or less 

pH: 6.0 to 8.0


Features 

1. A high modulus polymer with: 

a) Low viscosity 

b) Broad adhesion profile 

c) Wide formulating latitude 

2. A formulated product based on OSi HIOSil MS260 will result in:

a) Low viscosity 

b) Higher hardness 

c) Faster tack free time


Regulatory Information 

USA            TSCA                              Complies 

Japan      KASHINHOU/ENCS           Complies 

Europe      EINECS, ELINCS          Polymer Exempt 

Canada         DSL                              Complies


OSi HIOSil MS260 Starting Point Formula

                                                        PHR 

OSi HIOSil MS260                           100 

Plasticizer                                          55 

Calcium Carbonate                          120 

Titanium Dioxide                              20 

Thixotrope                                         2 

UV Absorber                                      1 

HALS                                                  1 

Dehydration Agent                            2 

Adhesion Promoter                            3 

Hardening Catalyst                             2


Formulated Properties of Representative Sample 

• Skin Formation Time (min): 20 

• Modulus 100 (psi/MPa): 152 / 1.05 

• Hardness (Shore A): 41 

• Tensile Strength (psi/MPa): 264 / 1.82 

• Elongation (%): 330 

• Compound Viscosity, HA (cP): 1,220,000 

Brookfield Viscometer (No. 7 rotor, 2 rpm) 

 

Applications 

• Flooring Adhesives 

• Industrial Adhesives 

• General Adhesive


Processing and Mixing 

OSi HIOSil MS260 can be formulated into adhesives, sealants, and/or coatings utilizing either a hot or cold process. Please contact an OSi Holding Limited representative for more information.


Storage

• Guarantee of six-month shelf life from delivery if stored appropriately. 

• Containers must be stored below 50°C/122°F, stored inside, and remain tightly sealed. 

• Please speak with an OSi Holding Limited representative regarding bulk storage requirements.


Remarks

This technical data sheet is only used for internal quality control within OSi Holding Limited.

All rights reserved.


Packaging

Tote: 2,205 lbs/1,000 kg 

Bulk: 45,000 lbs/20,000 kg

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