Methylsiloxane oligomer PMS
The methylsiloxane oligomer – PMS is a solution of oligomethylsiloxanes in toluene.
Oligomethylsiloxane – PMS is used for the manufacture of technical fibrous materials for special purposes – various textile structures (threads, ribbons, fabrics, knitwear, non-woven fabrics) used as fillers of composite materials for heat-protective purposes.
Characteristics of the Oligomer of methylsiloxane PMS
Indicator | Indicator value |
Appearance | Transparent liquid from colorless to yellow. Opalescence and mechanical impurities are allowed due to packaging. |
Mass content of non-volatile substances, % | 60±3 |
Relative viscosity at (20±0,5) ° С, с | 55-110 |
Medium reaction (pH of non-aqueous solution) | 6.0-7.0 |
Content indicator of hydroxyl group according to the ICS-Fourier method |
0.5 – 1.0 |
Packaging:
The packaging of the methylsiloxane oligomer – PMS is carried out in accordance with GOST 9980.3 group 3 in polymer or metal containers of various capacities. In agreement with the consumer, it is allowed to use other types of containers that do not degrade the properties of the oligomer.
Transportation:
Transportation of the methyl siloxane oligomer – PMS is carried out in accordance with GOST 9980.5 by all types of cargo transport in accordance with the rules of cargo transportation applicable to each type of transport.
Keeping:
The methylsiloxane oligomer – PMS should be stored in ventilated warehouses in hermetically sealed containers, away from heating appliances, in places protected from direct sunlight at temperatures from 5 ° C to 30 ° C.
The guaranteed shelf life of the oligomer in the manufacturer’s container is 6 months from the date of manufacture.
The guaranteed shelf life of the oligomer is analyzed by the consumer before each application for compliance with the requirements of these technical specifications and, when establishing compliance, can be used by the consumer for its intended purpose.