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Felt Bob Round Medium 1'' X 1'' SB-2C (1/4'' Shank)
The Standard by Which All Other Mechanical Balances Are Measured
durable rubber cord for a wide working range
1-1/2lb hammer
it’s best to know how and why it originated
PlatSil® FS-20 Size:Gallon Kit (16lb) Felt Bob Round Medium 1''PlatSil FS 20 (Fast Setting) Silicone Rubber is a two part, platinum catalyzed, liquid silicone system that cures (RTV) to a milky white, Shore OO66 A20 rubber. This product offers a simple 1A: 1B mix ratio (by weight or volume), a fast demold time of ~25 minutes, and a long pour time (~8 minutes) relative to its cure speed. This allows for fast turn around of molds and parts with sufficient time to mix and pour. Heat can be used to further accelerate
