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Application

Resin

Advanced Weather-proof Silicone Sealant FNS63

It is single component, neutral curing, high modulus silicone sealant, fast curing and has good extrudability and thixotropy in the temperature range of 4℃ to 40℃. It is specifically designed for weather resistant joint sealing in stone cladding and stone constructions.

Features & Benefits

Glass curtain wall, stone curtain wall (Marble, moor stone), aluminum curtain wall and metal curtain’s weather-proof sealing.
It is suitable for edge sealing, joint sealing and other kinds of building and industrial sealing.

Standard Compliant

ASTM C 920
ASTM C 1248
GB/T 14683-2017

Typical Properties

Technical parameters
No.	Test items	GB/T 14683-2017 index	Measured value
1	Appearance	Even, exquisite paste,	Even, exquisite paste,
1	Appearance	no bubble, no skinning, no gel	No bubble, no skinning, no gel
2	Density, g/cm3	Specified value±0.1	1.42
3	Sag degree(Vertical), mm	≤ 3	0
4	Tack free time, h	≤ 3	1
5	Extrudability, ml/min	≥ 150	581
6	Elastic recovery rate, %	≥ 80	93
7	Tensile Modulus (23ºC), MPa	＞0.4	0.8
8	Adhesion at constant load	No destruction	No destruction
9	Adhesion after water immersion at constant load	No destruction	No destruction
10	Adhesion after hot-press & hard-draw at constant load, %	No destruction	No destruction
11	Adhesion after water &UV-radiation at constant load, %	No destruction	No destruction
12	Mass loss rate, %	≤8	2.2
13	Alkane Plasticizer	Not be check out	Not detected
14	Pollution to substrate	None	None

Color

White, black, grey and others as requested.

Shelf life and storage

12 months.

Characteristics

Good adhesion to the surface of most building materials.
Good weather resistance, ageing resistance, ozone resistance, UV resistance and high and low temperature resistance property, which is an ideal weather-proof sealant material.
It has good compatibility with other silicone sealant produced by our company.