共找到 2950 条与 热塑性塑料 相关的标准,共 197 页
Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
1.1 This specification covers the requirements and test methods for the material, dimensions, and workmanship, and the properties of extruded sheet, rod and tubular bar manufactured from PVDF. 1.2 The properties included in this specification are those required for the compositions covered. Requirements necessary to identify particular characteristics important to specialized applications are described by using the classification system given in Section 4. 1.3 The values stated in English units are to be regarded as the standard in all property and dimensional tables. For reference purposes, SI units are also included in Tables X and S-PVDF only. 1.4 The following safety hazards caveat pertains only to the test method or test methods described in this specification. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. NOTE 1—There is no known ISO equivalent to this standard. ISO 12086-1 and ISO 12086-2 have pertinent information. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Standard Specification for Extruded and Compression Molded Shapes Made from Poly(Vinylidene Fluoride) (PVDF)
1.1 This test method provides an instrumental method for measuring the CIELAB color and Yellowness Index (YI) of liquid polyurethane raw materials. The CIELAB and YI results are derived from mathematical manipulation of CIE tristimulus values in accordance with Practices E308 and E313, respectively. 1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions provided for information only and are not considered standard. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. NOTE 1—There is no known ISO equivalent to this standard. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Standard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids
序号 项目/单位 指标要求 C10 C20 C30 C40 C50 1 密度/ (g/cm3) ≤1.28 1.28~1.38(含1.38) 1.38~1.48(含1.48) 1.48~1.58(含1.58) ≤1.68 2 熔体质量流动速率(MFR)/ (g/10 min) X < 5 X ±1 5 ≤ X <10 X ±2 X ≥ 10 X ±3 3 灰分/ % ≤ 10 ≤ 20 ≤ 30 ≤ 40 <49 4 含水率/ % <0.2 5 拉伸强度/ MPa >16 >14 >12 >10 >9 6 断裂拉伸应变/ % >400 >350 >300 >250 >200 注:X 是每个牌号产品该项指标的标称值
Compounding of Poly(butylene adipate terephthalate)(PBAT) and Calcium carbonate(CaCO3) for film
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