ASTM D4637

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ASTM D4637簡介

1.1ASTM D4637包括由三元乙丙橡膠 (EPDM)或氯丁橡膠(CR)制成的非增強或織物增強硫化橡膠片材,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方法和性能范圍,是對每一類別規定的,且為保證產品適用于預定目的的*小值。

1.3現場屋頂系統設計總則,例如耐火性、現場接縫強度、耐沖擊一刺穿性、材料相容性和風揭性,是必須考慮的一些因素,但不在本規格范圍之列。

ASTM D4637簡介

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.