Plastics Standards - Standards Products - Standards
ASTM's plastics standards are instrumental in specifying, testing, and assessing the physical, mechanical, and chemical properties of a wide variety of materials and products that are made of plastic and its polymeric derivatives.
Standard Practice for Compatibility of Plasticizers in Poly
5.1.1 This test subjects a standard test specimen to a definite deformation and allow Standard Practice for Compatibility of Plasticizers in Poly(Vinyl Chloride) Plastics Under Compression The store will not work correctly in the case when cookies are disabled. JavaScript seems to be disabled in your browser.
ASTM International - ASTM D3291-11 - Standard Practice
1.1 This practice determines the compatibility of plasticizers in poly (vinyl chloride) plastics by rating the amount of plasticizer that spews due to compressional stress set up inside a 180° loop bend. Note 1-Ingredients other than plasticizer can spew from a total formulation.
Standard Practice for Compatibility of Plasticizers in Poly
ASTM D3291 : Standard Practice for Compatibility of Plasticizers in Poly(Vinyl Chloride) Plastics Under Compression
ASTM D3291-11 - Standard Practice for Compatibility
1.1 This practice determines the compatibility of plasticizers in poly (vinyl chloride) plastics by rating the amount of plasticizer that spews due to compressional stress set up inside a 180 ° loop bend. Note 1—Ingredients other than plasticizer can spew from a total formulation.
- How do you determine the compatibility of plasticizers in poly(vinyl chloride) plastics?
- 1.1 This practice determines the compatibility of plasticizers in poly (vinyl chloride) plastics by rating the amount of plasticizer that spews due to compressional stress set up inside a 180 loop bend. Note 1— Ingredients other than plasticizer can spew from a total formulation.
- Can plasticizers become less compatible with poly (vinyl chloride) resin?
- 5.1 It is possible for plasticizers to become less compatible in poly (vinyl chloride) resin when fused compound is subjected to compressive stress. 5.1.1 This test subjects a standard test specimen to a definite deformation and allows qualitative determination of the amount of spew that is capable of occurring over a period of time.
- What happens if a plasticizer is not compatible with exudation?
- 5.1.2 An apparent decrease in compatibility of plasticizers with subsequent exudation can cause excessive dirt pickup, marring of lacquered or varnished surfaces, sticky feel, and a number of other associated problems.
- Can ingredients other than plasticizer spew from a total formulation?
- Note 1— Ingredients other than plasticizer can spew from a total formulation. 1.2 The text of this practice references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this practice.
- Can plasticizers spew and be reabsorbed quickly?
- It is possible for certain plasticizers to spew and be reabsorbed quite rapidly. Less compatible plasticizers are capable of spewing early and continuing to spew throughout the test. A test of one week's duration is used for screening, while an extended test of seven weeks' duration is used for a complete profile.
- How can a plasticized poly (vinyl chloride) sheet be relieved?
- 5.1.3 When a plasticized poly (vinyl chloride) sheet is stressed in compression by bending it through 180°, one way to relieve the stress is by migration of the plasticizer from the compressed area (inside of bend) to the area in tension (outside of bend).
