Body: <p>I recently picked up a heap of Quatro blocks, and noticed that the plastic seems to be much softer than the normal ABS-based Lego and Duplo blocks. Does anyone know what kind of plastic was used in these blocks?</p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-09-13T05:35:44.030Z
Comments.Text: Just wondering, does this also exclude Duplo and other Lego brick-like products? Note that Quatro are a LEGO product (albeit discontinued), and they are compatible with Duplo (and indirectly to Lego bricks). It seems to meet the criteria outlined in [this question](http://meta.bricks.stackexchange.com/questions/38/should-we-accept-questions-on-all-construction-toys-or-just-lego-compatible-sys/42#42).
Comments.UserDisplayName: marshall.ward
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-09-13T05:43:36.247Z
Comments.Text: Also note that there is a dedicated Quatro page at brickset.com: http://brickset.com/sets/theme-Quatro
Comments.UserDisplayName: marshall.ward
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-09-13T18:49:05.073Z
Comments.Text: You are absolutely right. I mistook Quatro as a non-LEGO brand and I apologise. I have re-opened your question and if it is any consolation I have placed a bounty on your question in the hope that you will get an answer.
Comments.UserDisplayName: Ambo100
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-09-14T00:40:57.333Z
Comments.Text: No worries! I don't think Quatro were very popular :)
Comments.UserDisplayName: marshall.ward
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2014-09-19T21:05:20.883Z
Comments.Text: I don't have an exact answer for you, but if you are willing to perform a little destructive testing, you can probably get your answer.  This page (http://www.boedeker.com/burntest.htm) explains how to determine a type of plastic based on burning/melting it.
Comments.UserDisplayName: Nick2253
Tags: <plastics><quatro>
Title: What plastic do Quatro blocks use?
UserDisplayName: marshall.ward
ThreadText: # What plastic do Quatro blocks use?
  
  (Asked by: username_0 on 2014-03-22)
  
  I recently picked up a heap of Quatro blocks, and noticed that the plastic seems to be much softer than the normal ABS-based Lego and Duplo blocks. Does anyone know what kind of plastic was used in these blocks?
  
  **Tags:** plastics, quatro
  
  > **Comments:**
  > **username_0**: Just wondering, does this also exclude Duplo and other Lego brick-like products? Note that Quatro are a LEGO product (albeit discontinued), and they are compatible with Duplo (and indirectly to Lego bricks). It seems to meet the criteria outlined in [this question](http://meta.bricks.stackexchange.com/questions/38/should-we-accept-questions-on-all-construction-toys-or-just-lego-compatible-sys/42#42).  
  > **username_0**: Also note that there is a dedicated Quatro page at brickset.com: http://brickset.com/sets/theme-Quatro  
  > **username_1**: You are absolutely right. I mistook Quatro as a non-LEGO brand and I apologise. I have re-opened your question and if it is any consolation I have placed a bounty on your question in the hope that you will get an answer.  
  > **username_0**: No worries! I don't think Quatro were very popular :)  
  > **username_2**: I don't have an exact answer for you, but if you are willing to perform a little destructive testing, you can probably get your answer.  This page (http://www.boedeker.com/burntest.htm) explains how to determine a type of plastic based on burning/melting it.  
  
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  ## 0 answers
  
  