Mag Excel Exports Private Limited supplies Bleach Rubber Chemical with Precise pH Value. Mag Excel Exports Private Limited is an ISO 9001:2000 registered company. Nexo Bleech Rubber Chemical with Precise pH Value is an effective bleaching agent, which is widely preferred in rubber industry. Bleach Rubber Chemical with Precise pH Value is prepared using finest ingredients to ensure high efficacy. The rubber chemical is packed in quality packaging material to protect it from moisture, water and sunlight.