ASTM D4637

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ASTM D4637簡(jiǎn)介

1.1ASTM D4637包括由三元乙丙橡膠 (EPDM)或氯丁橡膠(CR)制成的非增強(qiáng)或織物增強(qiáng)硫化橡膠片材,這些片材擬用于暴露在外的單層屋面膜。

1 .2表征這些片材的試驗(yàn)方法和性能范圍,是對(duì)每一類別規(guī)定的,且為保證產(chǎn)品適用于預(yù)定目的的*小值。

1.3現(xiàn)場(chǎng)屋頂系統(tǒng)設(shè)計(jì)總則,例如耐火性、現(xiàn)場(chǎng)接縫強(qiáng)度、耐沖擊一刺穿性、材料相容性和風(fēng)揭性,是必須考慮的一些因素,但不在本規(guī)格范圍之列。

ASTM D4637簡(jiǎn)介

1. Scope

1.1 This specification covers flexible sheet made from ethylene-propylene-diene terpolymer (EPDM) intended for use in single-ply roofing membranes exposed to the weather. The tests and property limits used to characterize the sheet are values to ensure minimum quality for the intended use. The sheet may be non-reinforced, fabric- or scrim-reinforced, or fabric-backed vulcanized rubber sheet.

1.2 In-place roof system design criteria, such as fire resistance, field seaming strength, material compatibility, and uplift resistance, among others, are factors that must be considered but are beyond the scope of this specification.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.4 This standard may involve hazardous materials, operations, and equipment. 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.

2. Referenced Documents

ASTM Standards

D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension

D413 Test Methods for Rubber Property--Adhesion to Flexible Substrate

D471 Test Method for Rubber Property--Effect of Liquids

D518 Test Method for Rubber Deterioration--Surface Cracking

D573 Test Method for Rubber--Deterioration in an Air Oven

D624 Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers

D751 Test Methods for Coated Fabrics

D816 Test Methods for Rubber Cements

D1149 Test Methods for Rubber Deterioration--Cracking in an Ozone Controlled Environment

D1204 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature

D2137 Test Methods for Rubber Property--Brittleness Point of Flexible Polymers and Coated Fabrics

D5602 Test Method for Static Puncture Resistance of Roofing Membrane Specimens

D5635 Test Method for Dynamic Puncture Resistance of Roofing Membrane Specimens

D6382 Practice for Dynamic Mechanical Analysis and Thermogravimetry of Roofing and Waterproofing Membrane Material

D7635/D7635M Test Method for Measurement of Thickness of Coatings Over Fabric Reinforcement

G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that se Laboratory Light Sources

G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials