CPC C08L 17/00 (2013.01) [B62D 55/26 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01); C08L 2207/24 (2013.01)] | 1 Claim |
1. A protective rubber track shoe for an excavator, comprising:
a first-stage rubber mix; and
a second-stage rubber mix;
wherein the first-stage rubber mix consists of 22-25 parts by weight of a natural rubber, 4-5 parts by weight of a chloroprene rubber, 40-42 parts by weight of a butadiene rubber, 30-32 parts by weight of a styrene-butadiene rubber, 60 parts by weight of a tire reclaim rubber, 8 parts by weight of a 120-mesh rubber powder, 4.0-6.0 parts by weight of zinc oxide, 2.0-3.0 parts by weight of stearic acid, 1.9-2.3 parts by weight of an anti-aging agent 0.8 part by weight of paraffin wax, 55-59 parts by weight of an intermediate super abrasion furnace carbon black and 5.8-6.2 parts by weight of an aromatic oil; and
the second-stage rubber mix consists of 233.5-249.3 parts by weight of the first-stage rubber mix, 1.0-1.2 parts by weight of sulfur, 1.3-1.5 parts by weight of an accelerator and 3.8-4.2 parts by weight of an auxiliary agent.
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