GB/T 42918.3-2025

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Plastics—Thermoplastic polyurethanes for moulding and extrusion—Part 3：Test method for distinction between ether and ester polyurethanes

塑料模塑和挤出用热塑性聚氨酯第3部分：用于区分聚醚型聚氨酯和聚酯型聚氨酯的测定方法

Standard Type

GBT

ICS

83.080.20

CCS

G 31

Status

现行

Issue Date

2025-08-29

Implementation

2026-03-01

Responsible Dept

中国石油和化学工业联合会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 2913-1982 Test for whiteness of plastics GB/T 3399-1982 Test method for thermal conductivity of plastics by means of the guarded hot plate GB/T 3403-1982 The designation of aminoplastic moulding compounds GB/T 3960-1983 Test method for friction and wear of plasticsby sliding GB/T 5479-1985 Equivalent terms for plastics GB/T 6595-1986 Test method for fish eye count of polypropyleneresin GB/T 6598-1986 Determination of weight-average molecular weight of polystyrene standards by low angle laser light scattering method GB/T 8325-1987 Determination of pH of aqueous dispersions of polymers and copolymers