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ASTM D4274 PDF

astm d hydroxyl numbers of – Download as PDF File .pdf), Text File .txt) or read online. ASTMDStandard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols- These test methods. Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols. Status: Withdrawn · Replaced by: ASTM D

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They also apply to many other hydroxyl-containing substances.

ASTM D4274 – 16

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Astm D Standard Test Methods for Testing Polyurethane Raw Materials – Google Books

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ASTM D 试验聚氨酯原材料的标准试验方法- 多元醇中氢氧基数目的测定 标准

As the voice of the U. Note 1-Test Method C is essentially similar to ISObut there are some differences in the concentrations used and some procedural details.

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Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. This standard is also available to be included in Standards Subscriptions.

Please first verify your email before subscribing to alerts. Proceed to Checkout Continue Shopping. Low-acidity aromatic isocyanates and PU prepolymers Moderate- to high-acidity aromatic isocyanates Aromatic isocyanates in PU production. These test methods measure the hydroxyl groups in polyester and polyether polyols.

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Standards for feedstock analysis

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