产品详细首页 > 硅橡胶 > 瓦克wacker R357低VOC低挥发固体硅橡胶
- 名称：瓦克wacker R357低VOC低挥发固体硅橡胶
- 型号：R357
- 规格：
- 说明：瓦克R357是有机硅混炼胶，在加入硫化剂后通过加热硫化成型(硫化剂 根据工艺所需来选择)。
详细说明
ELASTOSIL R 357 CN
Preliminary Data Sheet
HCR SILICONE RUBBER
Characteristics
ELASTOSIL® R 357 CN is fume grade high
consistence silicone rubber for extrusion
application.
ELASTOSIL® R 357 CN could be cured by
peroxide catalyst. Cured articles are noted for the
good flexibility and good transparence and
elasticity properties. The compounds are easily
pigmented with pigment pastes and have a good
processing characteristic.
The various grades can be blended in any
proportion to achieve intermediate hardness.
Application
Postcured parts can be used for applications in
the food industries and comply with the
recommendations “XV. Silicone” of the BfR and
FDA § 177.2600 under observance of any given
limitations on extractable and volatile substances.
Processing
For detailed information, please refer to our
brochure "Processing ELASTOSIL® R Solid
Silicone Rubber".
Storage
The “Best use before end” date of each batch is
shown on the product label.
Storage beyond the date specified on the label
does not necessarily mean that the product is no
longer usable. In this case however, the properties
required for the intended use must be checked for
quality assurance reasons.
Safety information
Comprehensive instructions are given in the
corresponding Material Safety Data Sheets. They
are available on request from WACKER
subsidiaries or may be printed via WACKER web
site http://www.wacker.com.
ELASTOSIL® R 357 CN
Typical general characteristics
Inspection Method
Unit
Typical Value
Appearance Transparent
Specific gravity DIN EN ISO 1183-1 A [g/cm3 ] 1.19
Curing Agent E
Hardness Shore A DIN 53505 Shore A 70
Tensile strength DIN 53504 S1 N/mm2 10
Elongation at break DIN 53504 S1 % 350
Tear strength ASTM D 624 B N/mm 25
Dielectric strength (1-mm-sheet) IEC 60243-2 kV/mm
22
Volume resistivity IEC 60093 Ω cm 1015
Dielectric constant at 50 Hz IEC 60250
εr
2.8
Dissipation factor (50 Hz) IEC 60250
tan δ 2 x 10-4
Cure conditions
Add1.5% by weight Curing agent E (50% paste of bis-(2,4-dichlorobenzoyl)- peroxide in silicone fluid)
First Cure, 10 min/ 135 ℃, then post cure, 4 h / 200 ℃
These figures are only intended as a guide and should not be used in preparing specifications.
