The Tech Spray TECHFORM's TC-533, 53-4001-0533, is a high-temperature flexible solder masking compound specially formulated of natural latex rubber. The latex has been chemically enhanced so that it is heat stable and tacky enough to be applied to those areas of circuit boards, which require masking during a wave soldering process.
53-4001-0533 Features:
Easily applied
Will not tarnish gold or phosphor bronze
Protects delicate components
Prevents contamination