Wheel Material Properties

	Main Raw Material	Hard-ness(HS)	Rock-well Hard-ness	Cushioning Property	Water Resistance	Heat Resistance (°C)	Cold Resistance (°C)	Acid Resistance	Alkali Resistance	Ozone Resistance	Oil Resistance
HR,RM,RL65/75,EM50/65	NR	85	–	○	◎	80	-40	○	○	△	×
EM75,EMB,RL100/125	NR,BR	80	–	○	◎	80	-40	○	○	△	×
VS,VN,VA,VH100,CBC,CNC	NR,BR	65	–	◎	△	100	-40	×	×	×	×
VUH	U	95	–	○	△	80	-40	×	×	○	◎
GNU100/125/150,SU-GNU	Nylon TPU	92	–	△	△	80	-10	×	×	○	◎
UM,GNU65/75	Nylon TPU	98	–	△	△	80	-10	×	×	○	◎
NB,NL,NM,NH,SU-NB	Nylon	–	R103～R118	×	◎	120	-10	×	◎	◎	◎
MBC,MHC	Monomer casting nylon	–	R118～R120	×	◎	150	-10	×	◎	◎	◎
PH,PHC	Phenol resin	–	M96～M120	×	◎	150	-40	◎	×	◎	◎
VM,VH50/60/75	SBR,NR	90	–	○	◎	100	-40	×	○	×	×
RLB	NR,BR	80	–	○	◎	80	-40	○	○	×	×
MM,BM	NR,BR	70	–	◎	○	100	-40	×	×	×	×
SUN,SUB	NR,BR	65	–	◎	○	100	-40	△	○	×	×
TP40/50	PP,TPR	92	–	△	◎	80	-40	○	○	○	△
NTB	PP,TPU	90	–	△	△	80	-40	×	×	○	◎
TB,TP,TR,TN,EM25/32/38	PP,TPR	65	–	◎	◎	80	-40	○	○	○	△
NHN,NHB	Heat-resistant nylon	–	R100～R120	×	◎	180	-10	×	◎	◎	◎
HG,NHG	Reinforced nylon	–	R110～R120	×	◎	130	-10	×	◎	◎	◎
VAH	NR,BR	80	–	○	△	100	-40	×	×	×	×
VAE,VSE	NR,BR	70	–	◎	△	100	-40	×	×	×	×
RME	SBR	85	–	○	◎	80	-40	○	○	×	×
AR	NR,BR	60	–	◎	◎	60	-10	×	×	△	×
VUN	Nylon TPU	95	–	△	△	80	-10	×	×	○	◎
NRB	NR,BR	65	–	◎	◎	80	-30	×	○	×	×
NBN	Nylon	–	R78	×	◎	100	-10	×	◎	◎	◎
PSB,PSN	Polyphenylene sulfide	–	R118	×	◎	180	-60	◎	◎	◎	◎
VU	TPU	92	–	△	△	80	-40	×	×	○	◎
VUE	TPU	92	–	△	△	80	-40	×	×	○	◎

※NR=Natural rubber、SBR=Styrene rubber、BR=Butadiene rubber、U=Urethane rubber (cast)、TPR=Thermoplastic rubber、TPU=Thermoplastic polyurethane

※◎=Excellent、○=Good、△=Limited、×=None

* Values in the above table are ideal values for main materials, and are not guaranteed. Please use as a reference.

* Regular-use grease has an operating temperature range of 25 – 100 °C. In situations where this is exceeded, the use of special grease is required. Please exercise caution.