Styrene Butadiene Rubber SBR-1502

Vipengee	Upinzani wa joto, upinzani wa kuzeeka na upinzani wa kuvaa
Maombi	Mahitaji ya kaya, huduma ya matibabu

Bidhaa	Kielelezo		Njia ya mtihani	Matokeo	Hitimisho
	Bora Bidhaa	Bidhaa waliohitimu
Kuonekana	Gundi isiyo na uchafuzi wa rangi isiyo na rangi, isiyo na chembe za kupika, mchanga na uchafu wa mitambo.		Kuonekana	Kawaida	Bora
Jambo tete (%) ≤	0.60	0.90	GB/T 24131.1- 2018, roll ya moto Njia B2	0.16	Bora
Asidi ya kikaboni (%)	4.50 ~ 6.75		GB/T 8657- 2014, b Mbinu	6.16	Bora
Yaliyomo ya sabuni (%) ≤	0.40			0.04	Bora
Styrene iliyofungwa (%)	22.5 ~ 24.5		GB/T 8658-1998	23.7	Bora
Mpira mbichi Mto wa Mooney , ML (1+4) 100 ℃	45 ~ 55	44 ~ 56	GB/T 1232.1- 2016, zaidi Njia ya Roll	50 ~ 51	Bora
Kiwanja cha Mooney Mnato, Ml (1+4) 100 ℃ ≤	93		GB/T 1232.1- 2016 (ASTM IRB No.8)	71	Bora
300% Dhiki kwa modulus (145 ℃, 35min) (MPA)	16.6 ~ 20.6	16.1 ~ 21.1	GB/T 8656-2018 A (ASTM IRB No.8), GB/T 528-2009 (1 kata kisu)	18.0	Bora
Nguvu tensile (145 ℃, 35min) (MPA) ≥	24.5	23.5		25.8	Bora
Elongation wakati wa mapumziko (145 ℃, 35min) (%) ≥	350	340		401	Bora