83.040.30;83.080.20 标准查询与下载

ASTM D4662-15 聚氨酯原材料的标准试验方法: 多元醇酸碱值的测定

5.1 These test methods are suitable for quality control, as specification tests, and for research. The acid and alkalinity numbers indicate the extent of a reaction with acids. The results are measures of batch-to-batch uniformity and are typically used as correction factors in calculating hydroxyl number. 1.1 These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1: There is no known ISO equivalent to this standard.

Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols

ASTM D4662-08(2011)e1 聚氨酯原料的标准试验方法: 多元醇酸值和碱值的测定

These test methods are suitable for quality control, as specification tests, and for research. The acid and alkalinity numbers indicate the extent of a reaction with acids. The results are measures of batch-to-batch uniformity and may be used as correction factors in calculating hydroxyl number. 1.1 These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 18212;There is no known ISO equivalent to this standard.

Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols

ANSI/ASTM D4662:1998 聚氨酯原料试验方法:多元醇酸、碱值的测定

These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1 -There is no equivalent ISO standard.

Polyurethane Raw Materials, Determination of Acid and Alkalinity Numbers of Polyors, Method for Testing (08.03)

ANSI/ASTM D4890:1998 聚氨酯原料测试方法:测定多元醇加纳尔和阿尔法颜色(08.03)

These test methods measure visually the color of clear polyester and polyether liquids. They apply only to materials whose colors have light-absorption characteristics similar to those of the standards. An alternative method is Test Method D 1209 (see ). This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1Although Test Method A of these test methods and ISO 4630-1:2004 differ in some details, data obtained using either are technically equivalent. Although Test Method B of these test methods and ISO 6271-1981 differ in some details, data obtained using either are technically equivalent.

Test Methods for Polyurethane Raw Materials: Determination of Gardner and Alpha Color of Polyols (08.03)

ANSI/ASTM D4889:1998 聚氨酯原料测试方法:原油或改性的异氰酸酯粘度的测定(08.03)

These test methods (A and B) determine the viscosity of crude or modified isocyanates. They are applicable to products derived from toluene diisocyanate, methylene-bis-(4-phenylisocyanate), and polymethylene polyphenyl isocyanates (see Note 0). Note 0Test method A includes a procedure for measuring dynamic viscosity using a rotational Brookfield instrument. Test method B is simply a reference to a general procedure for measuring kinematic viscosity using a Cannon-Fenske instrument, D 445. The values stated in SI units are to be regarded as standard. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazards statements see Warnings at the end of and . Note 2There is no equivalent ISO standard.

Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Crude or Modified Isocyanates (08.03)

ANSI/ASTM D4876:1998 聚氨酯原料试验方法:原油或改性的异氰酸酯酸度的测定(08.03)

This test method determines the total acidity, expressed as HCl, of crude or modified isocyanates. The test method is applicable to products derived from toluene di iso cyanate, methylene-bis-(4-phenyl iso cyanate), and polymethylene polyphenyl iso cyanates. (See Note 1.) The values stated in SI units are to be regarded as the standard. This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Method for Testing Polyurethane Raw Materials: Determination of Acidity of Crude or Modified Isocyanates (08.03)

ANSI/ASTM D4659:1998 聚氨酯原材料试验方法.异氰酸酯比重的测定

These test methods determine the specific gravity of toluenediiosocyanate and crude methylene-bis-(4-phenylisocyanate). These test methods also are applicable to many other liquids. (See Note 1.) Test Method A Specific gravity by pycnometer, for high-accuracy determination. Test Method B Specific gravity by hydrometer, for a less accurate, but rapid, determination. The values stated in SI units are to be regarded as the standard. The values given in brackets are for information only. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific warning and precautionary statements see Notes 2 and 3. Note 1 -There is no equivalent ISO standard.

Polyurethane-Isocyanate Raw Materials, Determination of Specific Gravity, Method for Testing (11.01)

ANSI/ASTM D4878:1998 聚氨酯原料测试方法:测定多元醇粘度

These test methods (A and B) determine the viscosities of polyols in the range from 10 to 100 000 mPas(cP) at 25?C or at 50?C. Test Method A also applies to more viscous samples that are soluble in n-butyl acetate. Test Method B is simply a reference to a general procedure for kinematic viscosity, D 445. (See Note 1.) The values stated in SI units are to be regarded as the standard. Other equivalent units are provided because of current common usage. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1 -There is no equivalent ISO standard for Test Method A although ISO 3219 is similar. Test Method B is equivalent to ISO 3104.

Test Methods for Polyurethane Raw Materials: Determination of Viscosity of Polyols (08.03)

ANSI/ASTM D4669:1998 聚氨酯原料试验方法.多元醇比重的测定(08.03)

These test methods measure the specific gravity of polyols. (See Note 0.) This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 0There is no equivalent ISO standard.

Polyurethane Raw Materials, Determination of Specific Gravity of Polyols, Method for Testing (08.03)

ANSI/ASTM D4670:1997 聚氨酯多元醇原料.悬浮物测定方法(08.03)

his test method covers a procedure for visual inspection to determine the presence of insoluble foreign material in polyols. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1 -There is no similar or equivalent ISO standard.

Urethane-Polyol Raw Materials, Determination of Suspended Matter, Method for Testing (08.03)