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Sorry, PPK grips were made of "Trolit" (“Trolit” is an injection-molded plastic based on cellulose acetate) , whereas PP grips were made of "Trolitan" (“Trolitan” is a molded plastic based on phenolic resin – similar to “Bakelite”)

Best wishes, Dieter H. Marschall.
 

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Learning from the feet of the master - thank you, Dieter.
 

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And since my first "grown up" job many decades ago was "specialist for rubber, plastics and polymer production" in East Germany, I can tell you that bakelite like plastics are hard plastics that can not be heated up to changed shape, in contrast to thermoplastics like PVC or polyethylene that can be heated up to mold them.
 

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Sorry, PPK grips were made of "Trolit" (“Trolit” is an injection-molded plastic based on cellulose acetate) , whereas PP grips were made of "Trolitan" (“Trolitan” is a molded plastic based on phenolic resin – similar to “Bakelite”)

Best wishes, Dieter H. Marschall.
Well if I had to be corrected by anyone, I’m glad it was you sir
 

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Discussion Starter #8
Sorry, PPK grips were made of "Trolit" (“Trolit” is an injection-molded plastic based on cellulose acetate) , whereas PP grips were made of "Trolitan" (“Trolitan” is a molded plastic based on phenolic resin – similar to “Bakelite”)

Best wishes, Dieter H. Marschall.

the grips do not properly plate, I thought to heat them and flatten them
merci
 

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I tried straightening the right panel of a Coltwood grip for a Colt Woodsman...heat, gentle pressure. Nope. I don't know what plastic Coltwood grips are, but they won't bend.
 

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a number of years ago I collected pre war PP & PPk`s Seems I remember some of the PPK`s had problem of a warped grip. (top left side of the grip) I would use a 1/4" wide heavy rubber band tightly wrapped around the top where it pulled away from the frame. I left the rubber band on for 6 months or so and fixed the problem... Not sure if that's your issue.

RD
 

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Discussion Starter #13
a number of years ago I collected pre war PP & PPk`s Seems I remember some of the PPK`s had problem of a warped grip. (top left side of the grip) I would use a 1/4" wide heavy rubber band tightly wrapped around the top where it pulled away from the frame. I left the rubber band on for 6 months or so and fixed the problem... Not sure if that's your issue.

RD
Hello
yes exactly that
thank you
 
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