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L307B Defoaming Agent
307b can adhere to the bubble surface and make the bubble float out of the coating to achieve the defoaming effect in the process of powder melting. It can eliminate the bubbles and pinholes caused by the moisture in the substrate with insufficient density such as cast iron and aluminum casting.
1. Technical Parameters
135- 150 ° C
2. Use Method
Used for all kinds of thermosetting powder coating and theromeplastic powder coating.
Dosage: 0.5-1%. Mixed with other materials and extruded.
3. Product Features
● It can improve the capability of degasification in the process of powder melting, and reduce the amount of benzoin accordingly.
● It can eliminate the gas holes and pinholes of the coating which were caused by the moisture in the basic materials resulted by insufficient density of cast iron and cast aluminum parts.
● It can improve the hardness and smoothness, thus the surface of coating will be of better wear resistance and anti-rub dirty.
● It has good compatibility with other materials.
4. Package & Storage
Kraft paper bag (polyethylene liner). Net weight: 25kg/bag. Store in cool and dry place. Keep away from fire and heat sources.
5. Similar products
L307 Anti-Yellowing Benzoin: Degassing and eliminating pinholes, but not yellowing.
L307A Degassing Agent: degassing and eliminating pinholes, can replace benzoin in some occasions..
L306 Benzoin: Degassing and eliminating pinholes.pinholes, easy to yellow.