Rubber Lining

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The raw materials are imported, such as butyl rubber (USA EXXON MOBIL 1066, Japan JSR 268), natural rubber (Vietnam SVR 3L), chloroprene rubber (Japan DENKA M40). According to differences of compounds, the rubber lining has the following types: HNR, SNR, IIR and CR. According to the vulcanization methods, the rubber lining can be divided into press vulcanization, atmospheric pressure vulcanization and prevulcanization type. Seawater resistant, sodium hypochlorite resistant or low calcium and magnesium specialty rubber linings are also available.

Type	Model	Color	Physical properties				Working pressure MPa	Max. working temperature ℃	Vulcanization pattern	Applications
Type	Model	Color	Hardness Hs	Tensile strength Mpa	Elongation (%)	Metal binding force	Working pressure MPa	Max. working temperature ℃	Vulcanization pattern	Applications
IIR KI	KI -5	Black	A57±7	﹥5.88	＞300	＞6kg/cm	≧－0.098	100	Press vulcanization	standard type, resistant to sulfuric acid and fluoric acid
	KI-15	Black	A62±7	﹥5.88	300	＞6kg/cm			Vulcanization at atmospheric pressure	On-site lining, other features are as same as the KI-5
	KI -7	Black	A57±7	﹥5.88	300	＞6kg/cm			Press vulcanization	NaClO resistant, black rubber
	KI-17	Black	A62±7	﹥5.88	300	＞6kg/cm			Vulcanization at atmospheric pressure	On-site lining, other features are as same as the KI-7
	KI-5S	Black	A52±7	﹥3.92	＞300	＞6kg/cm			Pre-vulcanized	Steam vulcanization is not needed. Applicable to on-site lining without steam.
HNR KH	KH-5	Black	D80±10	﹥29.00	15-50	80kg/cm2	≧－0.098	100-120	Press vulcanization	Corrosion-resistant under high-temperature (mercury electrolytic device, water treatment device, HCI, CI, alcohol recycling device)
	KH-7	Black	D75±10	﹥19.60	＞10	80kg/cm2		85	Press vulcanization	Standard type, acid resistant (hydrochloric acid, dilute sulfuric acid), base resistant, saline solution resistant, highly flexible and impact resistant
	KH-7I	Black	D75±10	﹥19.60	30-60	80kg/cm2			Press vulcanization	Standard type, HNR, low Ca and Mg ion content. Applicable to vessels and pipelines with ionic membrane caustic soda units
	KH-8	Black	D80±10	﹥19.60	30-60	80kg/cm2			Press vulcanization	Specially designed for fluorine proof
	KH-15	Black	D70±10	﹥14.70	＞5	40kg/cm2			Vulcanization at atmospheric pressure	On-site lining, light organic solvent resistant, SO resistant
	KH-16	Black	D70±10	﹥14.70	1-30	40kg/cm2		85	Vulcanization at atmospheric pressure	Laminating on SNR as the interlining. On-site lining
	KH-20	Black	D75±10	﹥14.70	1-30	40kg/cm2			Vulcanization at atmospheric pressure	Low Ca and Mg ion content. Applicable to vessels and pipelines with ionic membrane caustic soda units. On-site lining.
	8501	Black	D80±10	﹥14.70	﹥10	60kg/cm2			Press vulcanization	Hard rubber, water treatment devices
Semi-hard rubber	8502	Black	D60±10	﹥10	≧30	≧6.0	≧0.98	85	Press vulcanization	Standard half hard rubber, applicable to nuclear and thermal power plants and water treatment devices.
SNR KR	KR-4	Black	D42±7	﹥15.7	＞500	＞6kg/cm	≧－0.098	85	Press vulcanization	Abrasion resistant to granules