GB/T 12009.4-1989
GB · 1989-12-25
Polymethylene polyphenyl isocyanate--Determination of isocyanato content
1Key Takeaways
This standard specifies two methods for the determination of isocyanate content in polymethylene polyphenylisocyanate by potentiometric titration. This standard applies to the determination of isocyanate content in polymethylene polyphenyl isocyanate for polyurethane foam.
2Scope / Description
This standard specifies two methods for the determination of isocyanate content in polymethylene polyphenylisocyanate by potentiometric titration. This standard applies to the determination of isocyanate content in polymethylene polyphenyl isocyanate for polyurethane foam.
3Version History
GB/T 12009.4-2016
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5Citation Network
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6Frequently Asked Questions
What is GB/T 12009.4-1989?
GB/T 12009.4-1989 — Polymethylene polyphenyl isocyanate--Determination of isocyanato content is an international standard developed by General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China. This standard specifies two methods for the determination of isocyanate content in polymethylene polyphenylisocyanate by potentiometric titration. This standard applies to the determination of isocyanate content in polymethylene polyphenyl...
What does GB/T 12009.4-1989 cover?
This standard covers: This standard specifies two methods for the determination of isocyanate content in polymethylene polyphenylisocyanate by potentiometric titration. This standard applies to the determination of isocyanate content in polymethylene polyphenyl isocyanate for polyurethane foam.
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of GB/T 12009.4-1989?
The current published version is GB/T 12009.4-1989, published on 1989-12-25. Always check for amendments or pending revisions.
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