Exhibit 3.3

FORM OF

CERTIFICATE OF INCORPORATION

OF

KRATON PERFORMANCE POLYMERS, INC.

The undersigned, for the purpose of organizing a corporation for conducting the business and promoting the purposes hereinafter stated, under the provisions and subject to the requirements of the laws of the State of Delaware (particularly Chapter 1, Title 8 of the Delaware Code and the acts amendatory thereof and supplemental thereto, and known, identified, and referred to as the “General Corporation Law of the State of Delaware”), hereby certifies that:

FIRST: The name of the corporation (hereinafter called the “corporation”) is KRATON PERFORMANCE POLYMERS, INC.

SECOND: The address, including street, number, city, and county, of the registered office of the corporation in the State of Delaware is 2711 Centerville Road, Suite 400, City of Wilmington 19808, County of New Castle; and the name of the registered agent of the corporation in the State of Delaware at such address is Corporation Service Company.

THIRD: The nature of the business and the purposes to be conducted and promoted by the corporation is to conduct any lawful business, to promote any lawful purpose, and to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware.

FOURTH: The total number of shares of stock which the corporation shall have authority to issue is 600,000,000 shares of capital stock, consisting of:

FIFTH: Shares of preferred stock may be issued in one or more series from time to time by the Board of Directors, and the Board of Directors is expressly authorized to fix by resolution or resolutions the designations and the powers, preferences and rights, and the qualifications, limitations and restrictions thereof, of the shares of each series of preferred stock, including without limitation the following:

(1) the distinctive serial designation of such series which shall distinguish it from other series;

(2) the number of shares included in such series;

(3) the dividend rate (or method of determining such rate) payable to the holders of the shares of such series, any conditions upon which such dividends shall be paid and the date or dates upon which such dividends shall be payable;

(4) whether dividends on the shares of such series shall be cumulative and, in the case of shares of any series having cumulative dividend rights, the date or dates or method of determining the date or dates from which dividends on the shares of such series shall be cumulative;

(5) the amount or amounts which shall be payable out of the assets of the corporation to the holders of the shares of such series upon voluntary or involuntary liquidation, dissolution or winding up the corporation, and the relative rights of priority, if any, of payment of the shares of such series;

(6) the price or prices at which, the period or periods within which and the terms and conditions upon which the shares of such series may be redeemed, in whole or in part, at the option of the corporation or at the option of the holder or holders thereof or upon the happening of a specified event or events;

(7) the obligation, if any, of the corporation to purchase or redeem shares of such series pursuant to a sinking fund or otherwise and the price or prices at which, the period or periods within which and the terms and conditions upon which the shares of such series shall be redeemed or purchased, in whole or in part, pursuant to such obligation;

(8) whether or not the shares of such series shall be convertible or exchangeable, at any time or times at the option of the holder or holders thereof or at the option of the corporation or upon the happening of a specified event or events, into shares of any other class or classes or any other series of the same or any other class or classes of stock of the corporation, and the price or prices or rate or rates of exchange or conversion and any adjustments applicable thereto; and

(9) whether or not the holders of the shares of such series shall have voting rights, in addition to the voting rights provided by law, and if so the terms of such voting rights.

SIXTH: If TPG III Polymer Holdings LLC, TPG IV Polymer Holdings LLC, J.P. Morgan Partners (BHCA), L.P., J.P. Morgan Partners Global Investors, L.P., J.P. Morgan Partners Global Investors (Cayman), L.P., JPMP Global Fund/Kraton, L.P., JPMP Global Fund/Kraton A, L.P., J.P. Morgan Partners Global Investors (Cayman) II, L.P., J.P. Morgan Partners Global Investors (Selldown), L.P., J.P. Morgan Partners Global Investors (Selldown) II, L.P., JPMP Global Fund/Kraton/Selldown, L.P. and JPMP Global Fund/Kraton/Selldown II, L.P. (collectively the “Sponsors”) collectively own less than 50.0% of the outstanding shares of the common stock, then any action required or permitted to be taken at any annual or special meeting of stockholders of the corporation may be taken only upon the vote of the stockholders at an annual or special meeting duly called and may not be taken by written consent of the stockholders. The Bylaws of the corporation may establish procedures regulating the submission by stockholders of nominations and proposals for consideration at meetings of stockholders of the corporation.

SEVENTH: The name and the mailing address of the incorporator are as follows:

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EIGHTH: The corporation is to have perpetual existence.

NINTH: Whenever a compromise or arrangement is proposed between this corporation and its creditors or any class of them and/or between this corporation and its stockholders or any class of them, any court of equitable jurisdiction within the State of Delaware may, on the application in a summary way of this corporation or of any creditor or stockholder thereof or on the application of any receiver or receivers appointed for this corporation under Section 291 of the General Corporation Law of the State of Delaware or on the application of trustees in dissolution or of any receiver or receivers appointed for this corporation under Section 279 of the General Corporation Law of the State of Delaware, order a meeting of the creditors or class of creditors, and/or of the stockholders or class of stockholders of this corporation, as the case may be, to be summoned in such manner as the said court directs. If a majority in number representing three fourths (3/4) in value of the creditors or class of creditors, and/or of the stockholders or class of stockholders of this corporation, as the case may be, agree to any compromise or arrangement and to any reorganization of this corporation as a consequence of such compromise or arrangement, the said compromise or arrangement and the said reorganization shall, if sanctioned by the court to which the said application has been made, be binding on all the creditors or class of creditors, and/or on all the stockholders or class of stockholders, of this corporation, as the case may be, and also on this corporation.

TENTH: For the management of the business and for the conduct of the affairs of the corporation, and in further definition, limitation, and regulation of the powers of the corporation and of its directors and of its stockholders or any class thereof, as the case may be, it is further provided:

(1) The management of the business and the conduct of the affairs of the corporation shall be vested in its Board of Directors. The number of directors which shall constitute the whole Board of Directors shall be fixed by, or in the manner provided in, the Bylaws. The phrase “whole Board” and the phrase “total number of directors” shall be deemed to have the same meaning, to wit, the total number of directors which the corporation would have if there were no vacancies. No election of directors need be by written ballot except and to the extent provided in the Bylaws of the corporation.

(2) After the original or other Bylaws of the corporation have been adopted, amended, or repealed, as the case may be, in accordance with the provisions of Section 109 of the General Corporation Law of the State of Delaware, and, after the corporation has received any payment for any of its stock, the power to adopt, amend, or repeal the Bylaws of the corporation may be exercised by the Board of Directors of the corporation; provided, however, that any provision for the classification of directors of the corporation for staggered terms pursuant to the provisions of subsection (d) of Section 141 of the General Corporation Law of the State of Delaware shall be set forth in the original Bylaws or in Bylaws adopted by the stockholders entitled to vote of the corporation unless provisions for such classification shall be set forth in this certificate of incorporation.

(3) Whenever the corporation shall be authorized to issue only one class of stock, each outstanding share shall entitle the holder thereof to notice of, and the right to vote at, any meeting of stockholders. Whenever the corporation shall be authorized to issue more than one

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class of stock, no outstanding share of any class of stock which is denied voting power under the provisions of the certificate of incorporation shall entitle the holder thereof to the right to vote at any meeting of stockholders except as the provisions of paragraph (2) of subsection (b) of Section 242 of the General Corporation Law of the State of Delaware shall otherwise require; provided, that no share of any such class which is otherwise denied voting power shall entitle the holder thereof to vote upon the increase or decrease in the number of authorized shares of said class.

ELEVENTH: The personal liability of the directors of the corporation is hereby eliminated to the fullest extent permitted by the provisions of paragraph (7) of subsection (b) of Section 102 of the General Corporation Law of the State of Delaware, as the same may be amended and supplemented.

TWELFTH: The corporation shall, to the fullest extent permitted by the provisions of Section 145 of the General Corporation Law of the State of Delaware, as the same may be amended and supplemented, indemnify any and all persons whom it shall have power to indemnify under said section from and against any and all of the expenses, liabilities, or other matters referred to in or covered by said section, and the indemnification provided for herein shall not be deemed exclusive of any other rights to which those indemnified may be entitled under any Bylaw, agreement, vote of stockholders or disinterested directors or otherwise, both as to action in such person’s official capacity and as to action in another capacity while holding such office, and shall continue as to a person who has ceased to be a director, officer, employee, or agent and shall inure to the benefit of the heirs, executors, and administrators of such person.

THIRTEENTH: From time to time any of the provisions of this certificate of incorporation may be amended, altered, or repealed, and other provisions authorized by the laws of the State of Delaware at the time in force may be added or inserted in the manner and at the time prescribed by said laws, and all rights at any time conferred upon the stockholders of the corporation by this certificate of incorporation are granted subject to the provisions of this Article THIRTEENTH.

FOURTEENTH: To the fullest extent permitted by Section 122(17) of the DGCL, the corporation, on behalf of itself and its subsidiaries, renounces any interest or expectancy of the corporation and its subsidiaries in, or in being offered an opportunity to participate in, business opportunities that are from time to time presented to any of the Sponsors or any of their respective officers, directors, agents, stockholders, members, partners, affiliates and subsidiaries (other than the corporation and its subsidiaries), even if the opportunity is one that the corporation or its subsidiaries might reasonably be deemed to have pursued or had the ability or desire to pursue if granted the opportunity to do so and no such person shall be liable to the corporation or any of its subsidiaries for breach of any fiduciary or other duty, as a director or officer or otherwise, by reason of the fact that such person pursues or acquires such business opportunity, directs such business opportunity to another person or fails to present such business opportunity, or information regarding such business opportunity, to the corporation or its subsidiaries unless, in the case of any such person who is a director or officer of the corporation, such business opportunity is expressly offered to such director or officer in writing solely in his or her capacity as a director or officer of the corporation. Any person

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purchasing or otherwise acquiring any interest in any shares of stock of the corporation shall be deemed to have notice of and consented to the provisions of this Article FOURTEENTH. Neither the alteration, amendment or repeal of this Article FOURTEENTH nor the adoption of any provision of this Certificate of Incorporation inconsistent with this Article FOURTEENTH shall eliminate or reduce the effect of this Article FOURTEENTH in respect of any matter occurring, or any cause of action, suit or claim that, but for this Article FOURTEENTH, would accrue or arise, prior to such alteration, amendment, repeal or adoption.

FIFTEENTH: Section 203 of the General Corporation Law of the State of Delaware shall not apply to the corporation.

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